Email: [email protected]
Phone: +91 93135 43530
Address: 133/1 Ground, Mansuri Block, Opp. Dudheshwar Water Tank, Ahmedabad-380004, Gujarat, India
SS Globe Valve Supplier India | SS304 (CF8) / SS316 (CF8M) Body | PTFE Seat | Screwed BSP NPT / Flanged Class 150–300 / Socket Weld | DN15–DN200 | Chemical / Pharma / Food / DM Water | KELOR
Supplier: Krishna Industries (KELOR) – Ahmedabad, Gujarat, India
Established: 2017 | GSTIN: 24AKLPP6499B1ZT | IEC: AKLPP6499B
MOQ: 10 Nos | Body: SS304 (CF8) / SS316 (CF8M) ASTM A351
Seat: PTFE / Metal | Sizes: DN15–DN200 | Pressure: Class 150 / 300
SS Globe Valve Supplier in India
Krishna Industries (KELOR), based in Ahmedabad, Gujarat, is a B2B supplier of Stainless Steel Globe Valves — SS304 (CF8 ASTM A351) and SS316 (CF8M ASTM A351) body — SS316 disc — PTFE seat (Class VI zero leakage) / metal-to-metal seat — PTFE stem packing — straight pattern (standard) / angle pattern (condensate drain and steam trap bypass) — screwed BSP/NPT / flanged ASME B16.5 Class 150 / Class 300 / socket weld (SW) — handwheel operated / gear operated (DN100+) — DN15 (½”) to DN200 (8″) — API 598 tested — GST invoice — MOQ 10 Nos — Pan India dispatch from Ahmedabad.
The SS globe valve is the correct flow control valve for corrosive chemical service, pharmaceutical utility piping, food processing, and DM water systems — wherever a ball valve or gate valve would be used for on/off isolation but a modulating flow control valve is required and the process fluid or environment demands stainless steel body construction. Globe valves are the only standard valve type designed for stable throttling at any intermediate position between fully closed and fully open.
Globe Valve vs Gate Valve vs Ball Valve — When to Specify Each in SS Corrosive Piping
| Requirement | SS Gate Valve | SS Ball Valve | SS Globe Valve (This Page) |
|---|---|---|---|
| On/Off Isolation — No Throttling | ✅ Correct — full bore, near-zero pressure drop when fully open — infrequent operation — isolation only | ✅ Correct — quarter turn, full bore, fast operation — frequent on/off switching — isolation only | Oversized for pure on/off — use gate or ball valve instead |
| Flow Control / Throttling | ❌ NOT suitable — gate at partial open causes turbulent flow past gate edge — rapid seat and gate erosion — valve fails quickly in throttling service | ❌ NOT suitable — at partial open, high velocity jet through ball port erodes PTFE seat and scores ball — ball valve in throttling service fails within weeks to months | ✅ Designed for throttling — disc moves perpendicular to seat — stable at any intermediate position — no seat or disc erosion at partial open — correct for all SS flow control applications |
| Pressure Drop Acceptable | ✅ Near zero when fully open | ✅ Near zero when fully open | Higher pressure drop than gate or ball — direction change through body creates DP — this DP is the throttling mechanism — acceptable in flow control service where DP is the design intent |
| Tight Shut-Off Required | Moderate — metal-to-metal seat — Class IV/V | ✅ Class VI — PTFE seat against ball — zero leakage when closed | ✅ Class VI with PTFE seat — zero leakage when fully closed — for both throttling during operation and tight shut-off when closed |
| Corrosive Chemical / Pharma / Food | SS gate valve available — correct for isolation | ✅ SS ball valve — correct for isolation in corrosive service | ✅ SS globe valve — ONLY option for throttling in corrosive chemical, pharma, and food SS piping — no SS alternative for flow control |
| Specify When | Isolation — infrequent operation — full bore required | Isolation — frequent on/off switching — compact installation | ✅ Flow rate adjustment — chemical dosing rate control — cooling water temperature control via flow — steam condensate flow regulation — bypass flow control — any application where flow must be set at a specific rate rather than simply opened or closed |
Straight Pattern vs Angle Pattern SS Globe Valve
| Feature | Straight Pattern (T-Body) | Angle Pattern (L-Body) |
|---|---|---|
| Inlet/Outlet Orientation | Inlet and outlet on same axis — installs in straight pipeline run | Inlet and outlet at 90° — valve changes pipeline direction and controls flow simultaneously |
| Piping Complexity | Standard — installs in straight run — requires separate elbow fitting if direction change needed | ✅ Replaces globe valve + one elbow fitting — reduces installation cost and one potential leak point in corner piping arrangements |
| Pressure Drop | Higher — fluid changes direction twice inside body (in and turn, then turn back) | ✅ Lower — fluid changes direction once — lower overall pressure drop than straight pattern for same throttling position |
| Primary Indian Application | ✅ Standard flow control and throttling in straight pipe runs — chemical dosing, DM water flow control, cooling water bypass, pharmaceutical utility throttling — most common SS globe valve installation | ✅ Steam trap bypass — condensate drain valves — applications where pipe runs vertically down to drain and horizontal flow control is required — standard for steam condensate control stations in Indian food, pharmaceutical, and chemical plants — drain valves on pressure vessels where angle body eliminates elbow below vessel nozzle |
SS304 vs SS316 Body — Selection Guide
| Body Material | Standard | Specify For | Not Suitable For |
|---|---|---|---|
| SS304 (CF8) ASTM A351 CF8 |
API 603 / BS EN 12516 | ✅ DM water flow control, pharma non-GMP utility throttling, food processing steam and water flow control (non-chloride), mild chemical dosing rate control, dilute acid/alkali where SS304 chemical resistance table confirms suitability — more economical than SS316 where chloride is not a concern | Chloride-containing process (pitting corrosion) — seawater — coastal salt air environment — chloride-rich chemical dosing solutions — specify SS316 for these |
| SS316 (CF8M) ASTM A351 CF8M |
API 603 / BS EN 12516 | ✅ Chloride-containing chemical dosing — seawater cooling flow control — coastal industrial — aggressive chemical throttling — pharmaceutical GMP utility (where project specifies SS316 throughout) — food processing with chlorinated CIP chemicals — marine and offshore SS piping flow control — maximum corrosion resistance for throttling valve in aggressive environments | Applications where SS316L is specifically required (GMP pharma with welded piping — specify SS316L CF3M if sensitisation in welded joints is a concern) |
Technical Specifications
| Parameter | Specification |
|---|---|
| Body Material | ASTM A351 CF8 (SS304) / ASTM A351 CF8M (SS316) |
| Disc Material | SS316 (standard) / hard-faced Stellite on request for high temp steam |
| Seat Material | PTFE seat ring insert (standard — Class VI zero leakage, -196°C to +200°C) / SS316 metal-to-metal (high temp above 200°C on request) |
| Stem Material | SS316 — rising stem — handwheel shows stem position as visual open/close indicator |
| Stem Packing | PTFE (standard) / graphite (high temp steam above 180°C) |
| Body Pattern | Straight pattern (T-body, standard) / Angle pattern (L-body, for condensate drain and corner piping) |
| End Connections | Screwed BSP taper (IS 554) / Screwed NPT (ASME B1.20.1) / Flanged ASME B16.5 Class 150 / Flanged ASME B16.5 Class 300 / Socket Weld (SW) ASME B16.11 |
| Size Range | DN15 (½”) to DN200 (8″) — DN15–DN50 screwed and SW most common, DN25–DN200 flanged |
| Pressure Rating | Class 150 / Class 300 (flanged) — Class 800 (screwed/SW on request) |
| Temperature Range | -196°C to +200°C (PTFE seat) / up to +425°C (metal seat, graphite packing) |
| Operation | Handwheel (standard DN15–DN80) / Gear operator (DN100+) |
| Testing Standard | API 598 / BS EN 12266 — shell test and seat leakage test |
| MOQ | 10 Nos |
| HSN Code | 84818090 |
Applications in Indian Industries
- Chemical dosing systems — ETP/STP and water treatment — SS316 CF8M screwed BSP DN15–DN25 straight pattern — chemical dosing rate control (coagulant, flocculant, chlorine, antiscalant, corrosion inhibitor) — globe valve set at partial open to maintain required dosing flow rate — stable at fixed throttling position for days without readjustment — chemical plants in Ankleshwar, Vapi, Dahej — water treatment plants across India — SS316 body for corrosive dosing chemical compatibility
- DM water flow control — power plants and chemical plants — SS304 CF8 flanged Class 150 DN25–DN100 — demineralised water flow control to process equipment, boiler feed make-up control, ion exchange regeneration flow — DM water is corrosive to CS — SS304 adequate for DM water service (no chloride) — globe valve at partial open provides stable DM water flow rate — consistent with SS304 slip-on flanges and SS304 ball valves in same DM water piping system
- Pharmaceutical utility — steam and condensate flow control — SS316 CF8M angle pattern DN15–DN25 screwed — clean steam flow control to process vessels and autoclaves — condensate drain rate control — angle pattern for drain applications where downward drainage and horizontal control are required simultaneously — PTFE packing and PTFE seat for pharmaceutical clean steam compatibility — matches SS316 utility piping specification in Indian pharma API plants
- Food processing — CIP flow control and steam throttling — SS304 or SS316 straight pattern flanged Class 150 DN25–DN80 — CIP solution flow rate control to food processing equipment — steam flow control to jacketed vessels and heat exchangers — angle pattern for condensate drain on steam-jacketed equipment — SS316 for CIP service with peracetic acid or chlorinated sanitisers — PTFE seat food-safe for indirect food contact utility service
- HVAC and cooling water bypass control — SS304 CF8 screwed BSP or flanged Class 150 DN25–DN80 — chilled water or hot water bypass flow control — balancing flow between parallel heat exchangers — cooling water temperature control — SS304 adequate for HVAC chilled water and condenser water without chloride addition — globe valve provides stable bypass flow rate in HVAC balancing applications
Related Products — Krishna Industries (KELOR)
- WCB Globe Valve — carbon steel globe valve for steam, oil, high temperature industrial process service — where SS body is not required and CS is the correct specification
- SS Ball Valve — SS304/SS316 on/off isolation in the same corrosive piping systems — ball valve for isolation, globe valve for throttling — both required in most SS chemical and pharma piping designs
- SS316L 2-Piece Ball Valve — SS316L low carbon body — for isolation in the same pharma GMP and welded SS chemical piping where SS globe valve handles throttling
- SS Needle Valve — precision metering and instrument root valve — for very small flow rates where SS globe valve DN15 is still too large — needle valve provides finer throttling resolution than globe valve
- Y Strainer — install upstream of SS globe valve on chemical dosing and DM water lines — particles in flow erode globe valve disc and PTFE seat — Y strainer upstream protection is standard practice
Frequently Asked Questions
1. Why can a globe valve throttle but a ball valve or gate valve cannot?
The key is the geometry of the disc-to-seat relationship in each valve type. In a globe valve, the disc moves perpendicular to a circular seat ring — as the disc lifts incrementally off the seat, the flow area between disc face and seat ring increases proportionally and predictably. The disc and seat face each other over their full circular contact area, distributing any flow forces evenly. In a ball valve, the ball port aligns with the pipe bore when open — at any intermediate position, the edge of the ball port creates a high-velocity jet that impacts the PTFE seat ring on one side only, eroding that point of the seat rapidly. In a gate valve, the gate edge at partial open is similarly subjected to high-velocity localised flow. Globe valves are designed for the intermediate position; ball and gate valves are not. In SS corrosive chemical piping, a ball valve used for throttling typically fails within a few weeks due to seat erosion, requiring valve replacement at significant cost.
2. When should I specify an angle pattern SS globe valve instead of straight pattern?
Specify angle pattern when: the pipeline makes a 90° direction change at the globe valve location (angle body eliminates the separate elbow fitting, reducing installation cost and one potential leak point); the flow must be controlled at a drainage point where the pipe runs vertically downward (angle body allows horizontal throttling with vertical drainage — standard for steam trap bypass and condensate drain valves in Indian food and pharma plants); or the lower pressure drop of the angle pattern compared to straight pattern is important in the specific throttling application. For most straight-run flow control applications, straight pattern is standard and sufficient.
3. What is the difference between a globe valve and a needle valve for flow control?
Both are throttling valves but for different flow ranges. A globe valve DN15 is designed for process flow rates in the range of several litres per minute to hundreds of litres per minute depending on pressure drop. A needle valve has a very fine tapered needle disc against a small orifice seat — designed for precise metering of very small flow rates (millilitres to litres per minute). Specify globe valve for main process line flow control and bypass flow control. Specify needle valve for instrument root valves, sample connections, chemical injection metering where very fine flow control is required, and any application where a DN15 globe valve still provides too coarse a flow adjustment. In chemical dosing systems, a globe valve on the main dosing line and a needle valve on the instrument calibration bypass is a common paired arrangement.
4. What is the MOQ?
MOQ is 10 Nos. Chemical and pharma project orders — typically 20 to 200+ Nos across sizes and end connection types — with API 598 test certificate, MTC for CF8 or CF8M body, and GST invoice. WhatsApp body material (SS304/SS316), seat material (PTFE/metal), pattern (straight/angle), end connection type, size list, pressure class, and quantity for project pricing within 2 hours.
Conclusion
Krishna Industries (KELOR) supplies SS Globe Valves for throttling and flow control in corrosive chemical service, pharmaceutical utility, food processing, DM water, and general SS process piping — SS304 (CF8 ASTM A351) and SS316 (CF8M ASTM A351) body — SS316 disc — PTFE seat (Class VI zero leakage) / metal-to-metal seat — straight pattern (standard) / angle pattern (condensate drain, steam trap bypass) — screwed BSP/NPT / flanged ASME B16.5 Class 150 / Class 300 / socket weld — handwheel / gear operated — DN15 (½”) to DN200 (8″) — API 598 tested — GST invoice — Pan India dispatch from Ahmedabad. WhatsApp body material, pattern, end connection, size, and quantity for project pricing within 2 hours.