Email: [email protected]
Phone: +91 93135 43530
Address: 133/1 Ground, Mansuri Block, Opp. Dudheshwar Water Tank, Ahmedabad-380004, Gujarat, India
Cast Iron Three Piece Flanged Ball Valve — Supplier in India | KELOR
Krishna Industries (KELOR), Ahmedabad, supplies Cast Iron Three Piece Flanged Ball Valves in Class 150 ANSI B16.5 — CI body, SS316 ball, PTFE seat — DN15 to DN100 (½″ to 4″) — BS 5351 design standard — 3-piece body for in-line seat replacement without cutting pipe — water supply, HVAC, ETP/STP, compressed air — MOQ 10 Nos — Pan India dispatch from Ahmedabad.
GST invoice with HSN 84818090 for all dispatches. WhatsApp specifications for pricing within 2 hours during business hours.
⚡ Quick Reference
SupplierKrishna Industries (KELOR) — Ahmedabad, Gujarat
Valve TypeThree Piece Flanged Ball Valve
Pressure ClassClass 150# (ANSI B16.5)
Body MaterialCast Iron (ASTM A126 Gr.B / IS 210 FG260)
Ball / StemSS316 — Blow-out proof stem
SeatPTFE (Virgin) — Class VI Shutoff
Size RangeDN15 (½″) to DN100 (4″)
MOQ10 Pieces per size
📜 On This Page
- What Is a CI Three Piece Flanged Ball Valve?
- How 3-Piece Body Enables In-Line Maintenance
- CI Body vs WCB Body vs SS316 Body Comparison
- Technical Specifications
- Seat Material Selection Guide
- 3-Piece vs 2-Piece Body Comparison
- Applications Across Indian Industries
- Service Limitations — When Not to Specify CI
- Installation Best Practices
- CI Ball Valve Market Snapshot
- Why Choose KELOR
- Commercial Information
- Related Products
- Frequently Asked Questions
What Is a CI Three Piece Flanged Ball Valve?
A cast iron three piece flanged ball valve is a quarter-turn isolation valve designed with a body split into three bolted sections — two flanged end pieces and a centre body containing the ball, PTFE seats, and stem assembly. The three-piece construction is the defining feature of this valve: it allows the centre body to be removed for in-line seat replacement and ball inspection without disturbing either flanged connection to the pipeline. This is a significant practical advantage over conventional 2-piece flanged ball valves where seat access requires unboltting the downstream pipe flange.
The valve operates by rotating the SS316 ball 90 degrees through a lever handle (DN15 to DN50) or gear operator (DN65 to DN100). In the open position, the full bore of the ball aligns with the pipeline, creating an unobstructed flow passage with minimal pressure drop. In the closed position, the PTFE seats press against the ball surface to provide bubble-tight Class VI shutoff. The blow-out proof SS316 stem design prevents the stem from being ejected under pressure, which is a critical safety feature for flanged connections in industrial service.
The cast iron body provides adequate mechanical strength for ambient temperature, non-corrosive fluid service at pressures up to approximately 13.8 bar at Class 150 rating. The SS316 ball and stem provide corrosion resistance at the wetted internal surfaces where the fluid contacts metal components, while the CI body serves as the structural pressure boundary. The PTFE seats provide wide chemical compatibility and excellent sealing performance across the valve’s rated temperature range. KELOR supplies these valves from verified Indian manufacturing sources for water supply, HVAC utility, ETP/STP, compressed air, and general industrial isolation applications across India.
How 3-Piece Body Enables In-Line Maintenance
The primary engineering advantage of a 3-piece body over a 2-piece body is the ability to perform seat replacement and internal inspection while the valve remains installed between two pipe flanges. Understanding this maintenance workflow is essential for industrial buyers evaluating the total cost of ownership, because the 3-piece design can reduce valve maintenance downtime by 60 to 70 percent compared to 2-piece alternatives on flanged connections. The following steps illustrate the in-line maintenance process.
1
Depressurise and Isolate
Shut off the fluid supply upstream and downstream. Relieve line pressure and verify zero pressure on both sides of the valve using the drain port if available. Ensure the pipeline is safe for maintenance work.
2
Close the Valve
Move the lever handle or gear operator to the fully closed position. This seals the ball against the PTFE seats and prevents residual fluid in the pipeline from draining through the valve body when the centre section is removed.
3
Remove Centre Body Bolts
Unbolt the body joint fasteners connecting the centre body to both flanged end pieces. The flanged end connections to the pipeline remain fully bolted and undisturbed throughout this step — no flange gaskets are disturbed.
4
Extract and Replace Seats
The centre body swings out, exposing the ball and PTFE seat rings. Replace the seats, inspect the ball surface for scoring or corrosion, clean the body cavity, then reassemble and retorque body joint bolts to the specified value.
✅ Key Advantage: Zero Flange Disturbance
Because both flanged end pieces remain bolted to the pipeline during the entire maintenance procedure, there is no need to replace flange gaskets, no need to retorque flange bolts, and no risk of disturbing the pipe alignment. For critical process lines where unplanned downtime costs thousands of rupees per hour, and for applications where flange gasket replacement is time-consuming and requires specialised labour, the 3-piece design provides a substantial reduction in total maintenance cost over the lifecycle of the valve.
CI Body vs WCB Body vs SS316 Body — Which to Specify
Selecting the correct body material is the most critical specification decision for a flanged ball valve. The body material determines the pressure rating, temperature limits, corrosion resistance, and suitability for the intended service. Cast iron is the most economical option but has significant limitations compared to WCB carbon steel and SS316 stainless steel. The following comparison covers the key parameters that industrial buyers and project engineers should evaluate when specifying the body material for a Class 150 flanged ball valve.
CI Body (This Page)
- Most economical — 15–20% below WCB cost
- Ambient temperature water and HVAC service
- ETP / STP utility circuits
- Compressed air at ambient temperature
- Class 150# rated at ~13.8 bar ambient
- NOT for: Steam, thermal shock, oil, elevated temperature above 65°C
WCB Body (Standard Industrial)
- Standard industrial — oil, gas, steam, non-corrosive process
- Higher pressure — Class 150# rated at ~19.6 bar ambient
- Handles thermal shock and thermal cycling
- Wider temperature range: -29°C to +425°C
- Flanged, screwed, socket weld, butt weld options
- Specify for: Any service where strength and temperature matter
SS316 Body (Corrosive / Hygienic)
- Corrosive chemicals, chlorides, pharma, food and beverage
- Potable water, DM water, seawater
- No iron contamination risk — GMP compliant
- Full SS316 body, ball, stem — maximum corrosion resistance
- Temperature range: -196°C to +816°C
- Cost: 3–5x CI body — justified where corrosion is a concern
| Parameter | CI Body | WCB Body | SS316 Body |
|---|---|---|---|
| Material Grade | ASTM A126 Gr.B / IS 210 FG260 | ASTM A216 WCB | ASTM A351 CF8M |
| Tensile Strength | 260 MPa (min) | 485 MPa (min) | 485 MPa (min) |
| Class 150 Rating (Ambient) | ~13.8 bar (200 psi) | ~19.6 bar (285 psi) | ~19.6 bar (285 psi) |
| Max Temperature | 65°C recommended | 425°C | 816°C |
| Thermal Shock Resistance | Poor — brittle | Good — ductile | Excellent — ductile |
| Corrosion Resistance | Low — rusts in water | Low — rusts in water | Excellent — chloride resistant |
| Weldability | Not weldable | Weldable (post-weld heat treat) | Weldable |
| Relative Cost (per valve) | 1.0x (baseline) | 1.15–1.25x | 3.0–5.0x |
| Best Suited For | Ambient water, HVAC, ETP | Oil, gas, steam, general process | Chemical, pharma, food, marine |
💡 Why CI Body Exists Despite Limitations
Cast iron body ball valves occupy a specific and important niche in the Indian industrial valve market. For water supply projects, municipal distribution networks, HVAC chilled water systems, and ETP/STP utility circuits where the operating temperature never exceeds ambient conditions and the fluid is non-corrosive, CI body provides adequate service life at 15 to 20 percent lower cost than WCB body. India’s Jal Jeevan Mission, AMRUT 2.0, and Smart Cities Mission have driven significant demand for economical isolation valves in water infrastructure, and CI body ball valves are extensively specified in these projects where budget constraints are a primary driver and the service conditions are well within CI body limits. The key is understanding when CI body is appropriate and when it must not be used.
Technical Specifications — CI Three Piece Flanged Ball Valve
| Parameter | Specification |
|---|---|
| Body Material | Cast Iron (CI) — ASTM A126 Grade B / IS 210 FG260 |
| Ball Material | SS316 (standard) — SS304 available on request |
| Seat Material | PTFE (Virgin) — Class VI zero-leakage shutoff |
| Stem Material | SS316 — Blow-out proof design |
| Body Design | 3-Piece — Full Bore — In-line maintenance |
| End Connection | Flanged ANSI B16.5 Class 150 — Raised Face (RF) |
| Size Range | DN15 (½″) to DN100 (4″) |
| Pressure Class | Class 150# (ANSI B16.5) — ~13.8 bar at ambient for CI body |
| Temperature Range | Ambient service only — 0°C to +65°C recommended for CI body |
| Bore Type | Full Bore (standard) |
| Operation | Lever Handle (DN15–DN50) / Gear Operated (DN65–DN100) |
| Face to Face | ASME B16.10 |
| Design Standard | BS 5351 |
| Flange Standard | ANSI B16.5 Class 150 Raised Face |
| MOQ | 10 Nos per size |
| HSN Code | 84818090 |
Seat Material Selection Guide
The seat material is the sealing interface between the ball and the body, and it determines the chemical compatibility, temperature capability, and leak-tightness of the valve. For a CI three piece flanged ball valve, the standard seat is PTFE (Teflon), but alternative seat materials are available for specific service conditions. Selecting the correct seat material is essential for achieving reliable long-term sealing performance and maximising the service interval between maintenance shutdowns.
| Seat Material | Temperature Range | Chemical Compatibility | Best Suited For |
|---|---|---|---|
| PTFE (Teflon) | -200°C to +200°C | Excellent — virtually universal chemical resistance except molten alkali metals and fluorine | Water, air, neutral chemicals, pharmaceutical, food — Standard seat |
| EPDM | -40°C to +120°C | Excellent for water, ozone, weathering. Poor for oils, hydrocarbons, solvents | Water supply, HVAC chilled/hot water, ETP/STP — lower cost than PTFE |
| NBR (Nitrile) | -30°C to +100°C | Excellent for oils, petroleum, hydrocarbons. Poor for ozone, sunlight, ketones | Oil, diesel, fuel lines — where hydrocarbon contact is expected |
| Viton (FKM) | -20°C to +200°C | Excellent for aggressive chemicals, acids, oils. Highest cost elastomer seat | Aggressive chemical process, high-temperature acid service — specialist applications |
✅ Recommendation for Most Indian Industrial Applications
For the majority of water treatment, HVAC, ETP/STP, and compressed air applications in India, PTFE seats provide the best overall combination of chemical resistance, temperature capability, sealing performance (Class VI zero leakage), and service life. PTFE is the standard seat supplied with CI three piece flanged ball valves and is suitable for the complete rated temperature range of the CI body (0°C to 65°C). EPDM seats can be specified as a cost-effective alternative when the service is exclusively water or HVAC and the temperature does not exceed 120°C. NBR seats are selected only when the service fluid contains traces of oil or hydrocarbons. Viton is reserved for specialised chemical applications where neither PTFE nor EPDM provides adequate compatibility.
3-Piece vs 2-Piece Body — Detailed Comparison
The choice between a 3-piece and a 2-piece body design affects not only the initial purchase price but also the long-term maintenance cost, downtime duration, and total cost of ownership. The comparison below is specifically for flanged-end ball valves (not threaded-end), because the 3-piece advantage is most pronounced on flanged connections where disturbing a flange joint is significantly more time-consuming and costly than on a threaded connection. Industrial buyers evaluating these two designs should consider both the initial cost difference and the cumulative maintenance savings over the expected valve lifecycle of 10 to 20 years.
| Feature | 3-Piece Body (This Page) | 2-Piece Body |
|---|---|---|
| In-Line Seat Replacement | ✓ Yes — Centre body slides out, both flanges stay bolted, no gasket disturbance | ✗ No — Downstream flange must be unbolted from pipe, gasket replaced, retorqued |
| Flange Gaskets Disturbed? | No — both flanged connections remain sealed | Yes — downstream flange gasket must be replaced |
| Pipe Alignment Disturbed? | No — pipe stays in position | Yes — pipe must be realigned after reassembly |
| Maintenance Time | 15–30 minutes — body joint bolts only | 2–4 hours — flange work, gasket, alignment, retorque |
| Labour Cost per Service | 1 fitter × 30 min | 2 fitters × 2–4 hours + gasket cost |
| Initial Purchase Cost | 5–10% higher than 2-piece | Lower (fewer body components, fewer joints) |
| Body Joint Leak Path | Two body joints (additional potential leak points) | One body joint (fewer potential leak points) |
| Best Specified When | Flanged connections in critical lines where maintenance downtime cost exceeds the initial price difference | General service, infrequent maintenance, cost-sensitive installations |
💡 Total Cost of Ownership Analysis
While a 3-piece flanged ball valve costs approximately 5 to 10 percent more than a comparable 2-piece design at the time of purchase, the maintenance savings over a 10-year lifecycle can be substantial. Consider a scenario where a valve requires seat replacement once every 3 years: over 10 years, the 3-piece design avoids 3 flange joint disturbances, saving approximately 6 to 12 man-hours of specialised labour, 3 flange gasket sets, and the associated plant downtime. For process plants where downtime costs range from ₹5,000 to ₹50,000 per hour, the cumulative maintenance savings from the 3-piece design typically exceed the initial price premium within the first maintenance cycle. For water treatment plants, HVAC systems, and utility circuits where valves are accessible and flange work is less costly, the 2-piece design remains a viable economical alternative.
Applications Across Indian Industries
Cast iron three piece flanged ball valves are specified across a range of Indian industrial sectors where the operating conditions are within CI body limits — ambient temperature, non-corrosive fluid, and moderate pressure. The following application profiles describe the specific use cases, service conditions, and sizing considerations that project engineers and procurement teams should evaluate when specifying CI body flanged ball valves.
Water Treatment Plants (WTP / ETP / STP)
Utility water isolation at ambient temperature — pump suction and discharge isolation, chemical dosing line block valves, treated water distribution headers. CI body is acceptable and cost-effective where budget is a project driver.
HVAC Chilled Water Systems
Chilled water and condenser water circuit isolation in plant rooms, AHU connections, and cooling tower piping. SS316 body is not required when water quality is non-corrosive and temperature remains within CI limits.
Compressed Air Utility Lines
Ambient temperature instrument air and service air isolation in process plants and manufacturing facilities. CI body provides adequate service life where the compressed air is dry and non-lubricated.
Municipal Water Distribution
Bulk water supply distribution — pump station isolation and distribution network sectionalising valves. Large volume project orders where CI body cost advantage over WCB is significant for budget-sensitive projects.
Industrial Cooling Water
Non-treated or mildly treated cooling water circuits at ambient temperature. CI body is suitable where water chemistry does not aggressively attack cast iron and thermal cycling is not expected.
Fire Protection Systems
Isolation valves in fire hydrant networks, sprinkler system risers, and fire water storage tank connections. CI body provides economical isolation where the water is static and the system operates at ambient temperature.
Irrigation and Agricultural Water
Pump discharge isolation and distribution valve stations in canal-based and pipeline-based irrigation systems. CI body is widely used in India’s agricultural water infrastructure due to its low cost and adequate service life for non-critical applications.
General Utility Piping
Non-critical isolation service in industrial plants for water, air, and neutral fluids at ambient temperature. Commonly used as block valves on utility headers, drain connections, and bypass circuits where CI body meets the service requirements.
Service Limitations — When NOT to Specify CI Body
Understanding the limitations of cast iron is as important as understanding its advantages. Specifying CI body in a service condition outside its material limits can result in catastrophic valve failure, pipeline damage, safety hazards, and costly project rework. The following list covers the most critical service exclusions for CI body flanged ball valves. If any of these conditions apply to your application, specify WCB carbon steel body or SS316 body instead.
⚠ Critical: Do NOT Use CI Body For These Services
- Steam or hot condensate service — Cast iron is brittle and cracks under thermal shock from rapid temperature changes. When steam contacts a CI valve body followed by cold water, or vice versa, the differential expansion creates internal stresses that exceed CI’s tensile strength, causing sudden cracking. Specify WCB body for steam service.
- Oil, diesel, or petroleum products — While CI can structurally handle hydrocarbons at ambient temperature, it is not recommended because any future thermal event or temperature excursion could cause failure. Specify WCB body with NBR seats for hydrocarbon service.
- Corrosive chemicals — CI corrodes rapidly in acidic, alkaline, or chloride-containing environments. Even mildly corrosive fluids can significantly reduce the service life of a CI body. Specify SS316 CF8M body for corrosive chemical service.
- Potable water above 65°C or DM / demineralised water — Elevated temperature accelerates iron corrosion, and DM water is aggressive toward CI because it lacks the mineral ions that form a protective scale on the CI surface. Specify SS body for zero-contamination water service.
- Operating pressure above 13.8 bar — The CI Class 150 rating is approximately 30 percent lower than WCB Class 150. For pressures between 10 bar and 19.6 bar, WCB provides a safer margin. Above 19.6 bar, upgrade to Class 300 body.
- Thermal cycling service — Any application where the valve will experience repeated heating and cooling cycles (batch processes, CIP systems, solar thermal) is unsuitable for CI body due to the accumulated thermal fatigue risk. Specify ductile material (WCB or SS).
Installation Best Practices for CI Flanged Ball Valves
Proper installation is essential for achieving the design performance and service life of a cast iron flanged ball valve. Incorrect installation is the most common cause of premature seat failure, body cracking, and leakage at flanged connections. The following guidelines are based on industry best practices for flanged valve installation and are specifically applicable to CI body valves where the brittle nature of cast iron requires additional care during handling and bolt torquing.
1
Verify Pipeline Alignment
Before installing the valve, verify that the two pipe flanges are parallel and aligned within tolerance. Never force a valve into position by tightening flange bolts — the bending stress imposed on the CI body can cause cracking, particularly at the flange-to-body transition where wall thickness changes.
2
Use Full-Face Gaskets
For CI body flanges, use full-face gaskets (not ring-type gaskets) to distribute the bolt load evenly across the entire flange face. The gasket material should be compatible with the service fluid — rubber or compressed fibre for water, PTFE for chemical service.
3
Crisscross Bolt Torquing
Tighten flange bolts in a crisscross (star) pattern in gradual increments — never tighten bolts sequentially around the flange. This ensures even gasket compression and prevents uneven stress on the CI body flange. Follow the bolt torque values specified by the gasket manufacturer.
4
Cycle Before Pressurising
Before pressurising the pipeline, cycle the valve from fully closed to fully open and back to the closed position 2 to 3 times. This ensures the PTFE seats are properly seated against the ball and confirms free operation of the stem and handle. Then open the valve slowly to pressurise the line.
CI Ball Valve Market Snapshot — India
₹618M+
India Ball Valve Market (2023)
5.5%
Annual Growth Rate (CAGR)
DN15–DN100
Most Common CI Ball Valve Sizes
13.8 bar
CI Class 150 Max Ambient Rating
India’s industrial ball valve market has grown steadily, driven by government infrastructure programmes including Jal Jeevan Mission (rural piped water supply), AMRUT 2.0 (urban water and sewerage), and the Smart Cities Mission. These programmes have created sustained demand for economical isolation valves in water supply, wastewater treatment, and municipal distribution networks, where CI body ball valves are extensively specified due to their lower cost compared to WCB and SS body alternatives. The market is projected to continue growing at approximately 5.5 percent CAGR through 2030, with water infrastructure and HVAC sectors remaining the primary demand drivers for CI body ball valve products.
Why Industrial Buyers Choose KELOR
🏭
B2B Supplier Since 2017
Sourced from verified Indian manufacturers. Consistent quality and competitive pricing across all ball valve grades — CI, WCB, SS304, SS316.
📄
GST Invoice
100% GST invoice (GSTIN: 24AKLPP6499B1ZT) with HSN 84818090 for all valve dispatches. Complete commercial documentation for project billing.
📦
MOQ 10 Nos — Project Orders Welcome
Minimum 10 Nos per size. Project and bulk orders from 50 to 500+ Nos supplied with a single GST invoice covering the complete BOM.
🚚
Pan India Dispatch
Dispatching from Ahmedabad via VRL / Professional Courier to Maharashtra, Tamil Nadu, Rajasthan, Karnataka, and all Indian states.
⏱
2-Hour Quote Response
WhatsApp your size list, quantity, and delivery location. Detailed pricing with size-wise breakup within 2 hours during business hours.
🛠
Material Guidance
Unsure whether CI, WCB, or SS316 body is correct for your service? Share the fluid, temperature, and pressure — KELOR advises within 2 hours.
Commercial Information
💳 Ordering Details
MOQ10 Nos per size
HSN Code84818090
GST InvoiceYes — GSTIN: 24AKLPP6499B1ZT
Dispatch5–7 working days (standard sizes)
PaymentNegotiable for project orders
Dispatch FromAhmedabad, Gujarat
LogisticsVRL / Professional Courier — Pan India
Bulk Orders50–500+ Nos — single invoice
Related Products — Alternatives If CI Body Is Not Suitable
Frequently Asked Questions
What is the advantage of a 3-piece body over a 2-piece body in a flanged ball valve?
A 3-piece ball valve has a centre body section that contains the ball and seats, flanked by two end pieces with flanged connections. When maintenance is needed, the centre body can be removed by unbolting the body joint bolts while both flanged ends remain bolted to the pipeline. This allows seat replacement, ball inspection, and internal cleaning without disturbing either flange joint, without replacing flange gaskets, and without realigning the pipe. In contrast, a 2-piece ball valve requires the downstream flange to be unbolted from the pipe, which means replacing the flange gasket, retorquing the joint, and potentially disturbing the pipe alignment. For flanged connections in critical lines where downtime is costly, the 3-piece design can reduce maintenance time by 60 to 70 percent compared to a 2-piece design. The trade-off is a slightly higher initial cost due to the additional body joint and fasteners.
Can a cast iron ball valve be used for steam service?
No. Cast iron is a brittle material that cannot absorb the thermal stresses generated by rapid temperature changes. When a CI valve is exposed to steam or hot condensate followed by cold water, or vice versa, the thermal shock can crack the CI body, creating a dangerous and sudden valve failure. Cast iron ball valves must not be used for steam, hot condensate, or any application involving thermal cycling. For steam service, specify WCB carbon steel body ball valve (for carbon steel piping) or SS316 body ball valve (for stainless steel piping). These materials have the ductility to withstand thermal shock and the mechanical strength for elevated temperature service.
What is the pressure rating of a Class 150 cast iron ball valve?
A Class 150 cast iron ball valve is rated approximately 13.8 bar (200 psi) at ambient temperature per ANSI B16.5 pressure-temperature ratings. This is approximately 30 percent lower than a WCB carbon steel Class 150 ball valve, which is rated approximately 19.6 bar (285 psi) at ambient. The lower rating is due to cast iron having lower tensile strength and ductility than carbon steel. For most municipal water supply applications operating at 2 to 6 bar and HVAC chilled water systems operating at 3 to 6 bar, the CI Class 150 rating provides adequate margin. However, for applications where operating pressure exceeds 10 bar or where pressure surges are expected, WCB body provides a safer and more robust solution.
Which seat material should I select for a CI flanged ball valve?
The seat material depends on the service fluid and temperature. PTFE (Teflon) is the universal choice and provides the widest chemical compatibility, excellent temperature stability up to 200 degrees Celsius, and Class VI zero-leakage shutoff. PTFE is the standard seat for CI flanged ball valves and is suitable for water, air, and most neutral chemicals. EPDM seats are recommended for water and HVAC service where the fluid temperature does not exceed 120 degrees Celsius, as EPDM provides excellent resistance to water, ozone, and weathering at lower cost than PTFE. NBR seats are selected when the service fluid contains traces of oil, petroleum, or hydrocarbons, because NBR has superior oil resistance compared to PTFE or EPDM. Viton seats are specified for aggressive chemical service at elevated temperatures but carry the highest cost. For the majority of industrial water, HVAC, and compressed air applications in India, PTFE seats provide the best overall combination of chemical resistance, temperature capability, sealing performance, and service life.
Is a CI three piece ball valve suitable for potable water?
Cast iron body ball valves can be used on non-critical potable water distribution mains where some iron content is acceptable and the valve is not at a final point-of-use. However, cast iron corrodes slowly in water, particularly in water with low alkalinity or slightly acidic pH, and iron corrosion products can contaminate the water over time. For pharmaceutical water, food and beverage plant utility water, hospital water supply, or any application where zero iron contamination is required, specify SS304 or SS316 body ball valve instead. For municipal raw water distribution networks in India, CI body ball valves are commonly used as an economical option where the valve serves as an isolation device in a distribution main and the water receives treatment downstream.
What is the MOQ and delivery timeline for CI three piece flanged ball valves from KELOR?
MOQ is 10 pieces per size. Standard sizes from DN15 to DN100 with PTFE seats and SS316 ball are dispatched within 5 to 7 working days from the Ahmedabad warehouse. Project orders combining multiple sizes in a single shipment are supplied with one GST invoice under HSN 84818090. WhatsApp the size list, quantity, and delivery location for pricing within 2 hours during business hours. KELOR supports project BOM orders, OEM bulk requirements, and export enquiries with documentation tailored to buyer specifications.
How does a 3-piece ball valve allow in-line seat replacement on a flanged pipeline?
The 3-piece body is split into three sections: two end pieces with flanged connections and a centre body containing the ball, seats, and stem. When seat replacement is needed, the body joint bolts connecting the centre section to the end pieces are removed while both flanged end connections remain bolted to the pipeline. The centre body then swings out, exposing the ball and seats for replacement. Because neither flange joint is disturbed, there is no need to replace flange gaskets, no need to retorque flange bolts, and no risk of disturbing the pipe alignment. This is the primary advantage over a 2-piece flanged ball valve where seat access requires unboltting the downstream pipe flange, which necessitates gasket replacement, realignment, and retorquing. For critical process lines where unplanned downtime is expensive, the 3-piece design significantly reduces maintenance turnaround time and cost.
What standards apply to cast iron flanged ball valves?
Cast iron flanged ball valves are designed and constructed to several international standards. BS 5351 covers the design, dimensions, materials, and construction requirements for steel and cast iron ball valves. ANSI B16.5 (ASME B16.5) specifies the flange dimensions, pressure-temperature ratings, and facing types for Class 150 flanged ends. ASME B16.10 specifies the face-to-face dimensions for flanged ball valves, ensuring dimensional interchangeability between different suppliers. API 608 covers the design requirements for metal ball valves. The pressure-temperature rating for the CI body at Class 150 is determined from ASME B16.5 tables based on the material group for cast iron. KELOR supplies CI three piece flanged ball valves designed to BS 5351 with flanged ends conforming to ANSI B16.5 Class 150 and face-to-face dimensions per ASME B16.10.
Need Bulk Pricing for CI Three Piece Flanged Ball Valve?
WhatsApp your size list (DN15–DN100), quantity, and delivery location. If unsure whether CI body is correct for your service, share the fluid and temperature — KELOR advises within 2 hours.
📲 WhatsApp for Bulk Price ✉ Email for Quote