Email: [email protected]
Phone: +91 93135 43530
Address: 133/1 Ground, Mansuri Block, Opp. Dudheshwar Water Tank, Ahmedabad-380004, Gujarat, India
Krishna Industries — Butterfly Valve Supplier Since 2017
Bulk supplier of Butterfly Valves in CI, DI, SS304, SS316, PTFE Lined, and Rubber Lined from Ahmedabad, Gujarat. Size range: 2″ to 24″ (DN50–DN600). PN10 / PN16. GST invoice. PAN India dispatch. MOQ 10 Nos.
A Butterfly Valve is a quarter-turn rotary motion valve that uses a disc mounted on a rotating shaft to regulate or isolate fluid flow. When the disc is rotated 90 degrees, it moves from the fully open position (disc parallel to flow — minimal pressure drop) to the fully closed position (disc perpendicular to flow — tight shut-off against the resilient seat).
Krishna Industries, trading as KELOR Valves, has been sourcing and supplying industrial valves from Ahmedabad, Gujarat since 2017. We supply butterfly valves directly to EPC contractors, HVAC companies, water treatment plants, chemical plant purchase managers, municipal water boards, and MRO traders across India — at competitive bulk pricing with full documentation support including GST invoice, MTC, and API 598 test certificates.
Available Butterfly Valve Types — Select Your Variant
Lever Operated BFV CI Body · DN50–DN200 · Most Popular
Gear Operated BFV CI / DI Body · DN150–DN600
SS Butterfly Valve SS304 / SS316 Body
PTFE Lined BFV CI Body · Aggressive Chemical
Rubber Lined BFV CI / DI Body · Slurry / Chemical
Electric Actuated BFV 220V AC · BMS / SCADA
Pneumatic Actuated BFV Spring Return · Double Acting
All Wafer BFV Types Complete Range Hub
CI Butterfly Valve Hub All CI Body Configurations
Technical Specifications — Butterfly Valve Range
| Parameter | Specification |
|---|---|
| Valve Type | Concentric disc wafer butterfly valve (standard) — eccentric disc on request |
| Design Standard | API 609 / BS EN 593 / IS 13095 |
| Size Range | DN50 (2″) to DN600 (24″) — larger sizes on request |
| Pressure Rating | PN10 / PN16 (standard) — Class 150 on request |
| End Connection | Wafer type (standard — clamped between flanges) / Lug type (dead-end service) |
| Body Material | CI IS 210 · DI ASTM A536 · WCB · SS304 (CF8) · SS316 (CF8M) · PTFE Lined · Rubber Lined |
| Disc Material | SS304 / SS316 / CI / DI — depends on body material and service |
| Seat / Seal Material | EPDM (standard — water, HVAC) · NBR (raw water, sewage, oil) · PTFE (chemical, high temp) |
| Shaft Material | SS304 / SS316 |
| Operation | Lever (DN50–DN150) · Gear handwheel (DN150–DN600) · Electric 220V AC · Pneumatic (spring return / double acting) |
| Face to Face | ISO 5752 Series 20 / MSS SP-67 |
| Temperature Range | -10°C to +120°C (EPDM) · -20°C to +80°C (NBR) · -10°C to +180°C (PTFE) |
| Testing Standard | API 598 / BS EN 12266 |
| MOQ | 10 Nos per size per type |
| HSN Code | 84818090 |
| Country of Supply | India 🇮🇳 — Dispatched from Ahmedabad, Gujarat |
Body Material Selection Guide
Selecting the correct body material ensures long valve life and safe operation. Use the table below to select the correct grade for your application.
| Body Material | Best For | Media | Avoid For |
|---|---|---|---|
| CI (Cast Iron IS 210) | Municipal water supply, HVAC, fire fighting, irrigation, ETP/STP, general utility — most economical | Water, air, non-corrosive fluids | Aggressive chemical, seawater, DM water contamination risk |
| DI (Ductile Iron ASTM A536) | Large bore DN200+ — buried pipeline, heavy-duty pumping stations — higher impact resistance than CI | Water, sewage, non-corrosive industrial | Aggressive chemical or corrosive media |
| SS304 (CF8) | HVAC chilled and hot water, potable water, DM water, mild chemical, food non-chloride, pharma non-GMP utility | Water (potable and DM), mild chemical | Chloride-rich water, seawater, aggressive chemical |
| SS316 (CF8M) | Chemically treated cooling water, seawater, coastal industrial, aggressive chemical, pharma process, food GMP | Chloride media, treated water, corrosive chemical | Very high temperature above 425°C |
| PTFE Lined | Highly corrosive chemical — acid, alkali, oxidising chemical — where CI body requires full PTFE lining for process fluid compatibility | HCl, H₂SO₄, NaOH, chlorine, aggressive chemical | Slurry, abrasive media — use rubber lined instead |
| Rubber Lined (EPDM/NBR) | Slurry, abrasive chemical, mining, ETP/STP, large diameter — CI/DI body with rubber lining for abrasion and corrosion resistance | Slurry, abrasive chemical, sewage, mine water | Strong oxidising acids — use PTFE lined |
Industries & Applications
💧 Municipal Water Supply
Zone isolation, pump station BFVs, distribution mains, overhead tank connections.
❄️ HVAC Systems
Chilled water AHU isolation, condenser water, cooling tower circuits — EPDM seat standard.
🔥 Fire Fighting Systems
Pump discharge isolation, sprinkler zone valves, hydrant supply lines.
🌾 Irrigation & Agriculture
Main line isolation, sector control, pump discharge — CI body most economical for large diameter irrigation.
⚗️ Chemical Plants
PTFE lined for aggressive chemical — rubber lined for slurry and abrasive chemical — Ankleshwar, Vapi, Dahej GIDC.
💊 Pharmaceutical
SS316 body for utility piping — GMP compliant — DM water, purified water, cooling water.
⚡ Power Plants
Cooling water circulation, ash slurry systems, ETP discharge — large bore gear operated.
🏗️ EPC & Infrastructure
Bulk project supply for government tenders, industrial estates, water treatment, sewage projects.
Seat Material Selection — EPDM vs NBR vs PTFE
| Seat Material | Temperature | Specify For | Do NOT Use For |
|---|---|---|---|
| EPDM (standard) | -40°C to +120°C | HVAC chilled and hot water, potable water, treated cooling water with biocide, ozone-treated water — most common Indian HVAC and water treatment BFV seat | Oil, fuel, petroleum products — EPDM swells in hydrocarbon |
| NBR (Nitrile) | -20°C to +80°C | Raw water, sewage, non-treated cooling water, fuel oil, compressed air — most economical for raw water and infrastructure projects | Hot water above 80°C, steam, biocide-treated cooling water |
| PTFE | -10°C to +180°C | Chemical service, high temp above 120°C, seawater, aggressive acid/alkali — where EPDM/NBR chemical compatibility insufficient | Standard water where EPDM adequate — PTFE has higher torque and cost |
Key Technical Advantages
- Compact wafer design — up to 60% shorter face-to-face than gate valves — ideal for space-constrained installations in plant rooms and utility shafts
- Quarter-turn fast operation — 90° open to close — lever for DN50–DN150, gear handwheel for DN150+, electric or pneumatic actuator for remote automation
- Low pressure drop — disc parallel to flow when fully open — minimal flow resistance — lower energy consumption vs gate valve in open position
- Resilient seat bubble-tight shut-off — EPDM/NBR/PTFE seat provides Class VI zero leakage at rated pressure
- Lightweight construction — significantly lighter than gate or globe valves — reduces pipe support cost and eases installation at large bore
- Universal flange compatibility — wafer body fits between ANSI B16.5 / DIN PN10/PN16 / IS 1538 flanges without modification
- Horizontal and vertical installation — any orientation — no flow direction restriction (check arrow on body for disc shaft orientation)
- Lug type for dead-end service — lug body allows downstream piping removal while valve stays in place — standard for pump discharge and pipeline terminations
Why EPC Contractors and Purchase Managers Choose Krishna Industries
🏭
B2B Supplier Since 2017
Sourcing from verified Indian manufacturers with consistent quality and competitive pricing. No unnecessary middleman margin.
📦
Bulk Supply Capability
Project BOM supply — 10 Nos to 5000+ Nos across sizes and types. Selected sizes in ready stock for fast dispatch.
📄
GST Compliant Billing
100% GST invoice with E-Way bill for every shipment. GSTIN: 24AKLPP6499B1ZT.
🚚
PAN India Dispatch
Dispatching from Ahmedabad warehouse via VRL / Professional Courier to all Indian states — typically 2–7 working days transit.
🔬
Test Certificates Available
API 598 hydrostatic test certificates, MTC, and third-party inspection (TUV / BV / Lloyd’s) on request for EPC and tender requirements.
📞
2-Hour Quote Response
WhatsApp your BOM — valve type, body material, disc, seat, size, quantity — and receive pricing within 2 hours. Mon–Sat 9 AM–7 PM IST.
Need Bulk Pricing for Your Project or Stock Order?
Share valve type, body material, disc, seat, size, quantity and delivery location. We reply within 2 hours on WhatsApp.
📲 WhatsApp for Bulk PriceSupply Coverage — PAN India
Krishna Industries dispatches butterfly valves from our Ahmedabad warehouse to all major industrial cities and states across India, including: Mumbai, Pune, Nashik, Nagpur (Maharashtra) · Chennai, Coimbatore, Bengaluru, Hyderabad, Visakhapatnam (South India) · Delhi, Noida, Gurugram, Faridabad (NCR) · Kolkata (East India) · Jaipur, Indore, Lucknow, Kanpur, Ludhiana (Central & North India) · Surat, Vadodara, Rajkot, Bhavnagar (Gujarat) and all other states.
Frequently Asked Questions
What sizes are available for butterfly valves?
We supply butterfly valves from DN50 (2″) to DN600 (24″) across CI, DI, SS304, SS316, PTFE lined, and rubber lined body types. Common sizes DN50 to DN200 in CI body with EPDM seat are typically available from stock. DN300 to DN600 and special configurations (lined, actuated, extended stem) are supplied on 7–15 working days lead time depending on type and quantity. WhatsApp your size list for availability confirmation.
What is the difference between wafer type and lug type butterfly valve?
A wafer type butterfly valve is clamped between two pipeline flanges — both upstream and downstream flanges must stay in place. It is the standard, most economical configuration for in-line service. A lug type butterfly valve has threaded lugs that bolt independently to each pipeline flange — the downstream piping can be removed while the valve stays bolted to the upstream flange. Specify lug type for dead-end service, pump discharge, and pipeline terminations where downstream pipework may need to be removed for maintenance.
When should I specify PTFE lined vs rubber lined butterfly valve?
Specify PTFE lined butterfly valve for highly corrosive chemical service — concentrated acid (HCl, H₂SO₄, HNO₃), strong alkali (NaOH, KOH), oxidising chemicals (H₂O₂, chlorine, bromine) — where the process fluid attacks even a resilient EPDM/NBR seat at the body contact points. Specify rubber lined butterfly valve for slurry, abrasive chemical, and mining service — the rubber lining protects the CI body from abrasion while providing corrosion resistance. The rubber lined version handles abrasive media better than PTFE lined. For aggressive chemical without abrasion, PTFE lined is the correct choice.
What is the difference between lever operated and gear operated butterfly valve?
A lever operated butterfly valve has a direct quarter-turn lever handle — simple, fast, and economical. Standard for DN50 to DN150 (2″ to 6″) where manual torque is comfortable. A gear operated butterfly valve uses a worm gear with handwheel — multiple handwheel turns open and close the disc through a gear reduction — significantly reduces the force required to operate large bore valves. Standard for DN150 (6″) and above where lever torque becomes too high for comfortable operation. Gear operated can also be specified from DN100 when the valve is in a difficult access location or operated frequently.
When should I specify electric actuated instead of pneumatic for a butterfly valve?
Specify electric actuated (220V AC) when: no instrument air is available at the valve location (common for HVAC plant rooms, ETP/STP, and remote water treatment installations); BMS integration with 220V AC on/off or modulating 4-20mA signal is required; or when slow-stroke modulating flow control for HVAC chilled water is needed. Specify pneumatic actuated when: fast stroke (under 15 seconds) is required; spring return fail-safe to a defined position on air failure is a safety requirement; or instrument air is already available at the valve location and high-cycle automation is needed.
What is the MOQ for butterfly valves?
MOQ is 10 Nos per size per type. Mixed BOM orders across multiple valve types, body materials, disc types, and sizes are welcome — each line item has its own 10 Nos MOQ. For large project BOMs with 500+ valves across multiple sizes, WhatsApp your complete BOM for a consolidated project quotation within 24 hours. GST invoice, MTC, and API 598 test certificates included with every order.
Do you supply butterfly valves for government tenders and EPC projects?
Yes. Krishna Industries supplies butterfly valves for municipal water supply projects, irrigation schemes, ETP/STP projects, and industrial EPC contracts across India. We provide GST invoice (GSTIN: 24AKLPP6499B1ZT), API 598 hydrostatic test certificates, MTC, and third-party inspection coordination (TUV / BV / Lloyd’s) for project QA requirements. Share your tender BOM and material specification for project-rate pricing and documentation support.
What is the delivery time from Ahmedabad?
Standard CI body lever and gear operated sizes (DN50–DN200) typically dispatch within 3–7 working days. Large bore DN300–DN600, actuated valves, and lined valves (PTFE / rubber) require 10–21 working days depending on configuration and quantity. Urgent dispatch for stocked sizes is possible — WhatsApp with deadline for priority confirmation. Pan India transit is typically 2–5 working days via VRL or Professional Courier after dispatch.
Where is Krishna Industries located?
Krishna Industries is located in Ahmedabad, Gujarat, India. GSTIN: 24AKLPP6499B1ZT. We supply PAN India — all states and union territories. WhatsApp: +91 93135 43530. Email: [email protected]. Website: www.kelorvalves.com.