Gate Valve Supplier India | CI / WCB / SS304 / SS316 | API 600 / IS 1218 | 15mm–600mm | KELOR
Supplier: Krishna Industries (KELOR) – Ahmedabad, Gujarat, India Established: 2017 | GSTIN: 24AKLPP6499B1ZT | IEC: AKLPP6499B MOQ: 10 Nos | Sizes: 15mm–600mm | Pressure: PN10 to Class 2500 Standards: API 600 / API 602 / IS 1218 / IS 14846 / BS 1414 / BS 5163
Introduction – Gate Valve Supplier India
Krishna Industries (KELOR), based in Ahmedabad, Gujarat, India, is a trusted B2B supplier of Gate Valves sourced from verified Indian manufacturers. We supply Gate Valves across all major body materials — Cast Iron (CI), Ductile Iron (DI), Carbon Steel WCB / WCC / LCB, Stainless Steel SS304, SS316, SS316L, and Alloy Steel F11 / F22 / F51 — in sizes 15mm to 600mm — PN10 to Class 2500 — flanged, screwed BSP, socket weld, and butt weld ends — conforming to API 600, API 602, IS 1218, IS 14846, BS 1414, and BS 5163.
A Gate Valve is a linear motion, full-bore isolation valve — the wedge or gate lifts completely clear of the flow path when open, providing unrestricted flow with minimal pressure drop. Unlike butterfly valves or ball valves, gate valves are specifically designed for infrequent operation — fully open or fully closed — not for throttling or flow regulation. This makes them the standard isolation valve for oil and gas pipelines, refinery process lines, water mains, fire fighting systems, and high-pressure steam and process piping across India.
Krishna Industries supplies Gate Valves to EPC contractors, oil and gas project purchase managers, refinery procurement departments, water treatment project buyers, plant maintenance MRO teams, chemical plant engineers, and bulk industrial buyers across Gujarat and PAN India.
Complete Body Material Guide — All Available Grades
Body Material
Grade
Pressure Class
Temp Range
Best For
Typical Application
Cast Iron (CI)
IS 210 FG200 / ASTM A126
PN10 / PN16
-10°C to +120°C
Water, HVAC, utility — most economical
Municipal water supply, fire fighting, HVAC, irrigation
Ductile Iron (DI)
IS 1865 / ASTM A536
PN10 to PN25
-10°C to +150°C
Higher strength water service
Pumping mains, high-pressure water, smart city projects
Carbon Steel WCB
ASTM A216 WCB
Class 150 to 600
-29°C to +425°C
Oil, gas, steam, high temp process — most common API grade
Refinery, petrochemical, gas pipeline, power plant
High pressure small bore — refinery, petrochemical
Butt Weld (BW)
ASME B16.25
Class 150 to 2500
High pressure process piping — pipeline welded connections
Gate Valve Standards — Indian and International
Standard
Scope
Typical Buyer / Project
API 600
Steel gate valves — flanged and butt weld ends — Class 150 to 2500
Oil and gas, refinery, petrochemical EPC — most common international spec
API 602
Compact steel gate valves — Class 800, 1500 — screwed and SW ends
Small bore high pressure — refinery and process plant utility
API 603
Corrosion-resistant gate valves — SS304, SS316
Chemical, pharmaceutical, offshore SS piping
IS 1218
Metal seated CI gate valves — PN10 / PN16
Indian municipal water, HVAC, general industrial utility
IS 14846
Resilient seated gate valves — CI / DI — PN10 / PN16
Indian smart city, JNNURM, municipal water supply projects
BS 1414
Steel gate valves — flanged — Class 150 to 600
UK-standard projects, older Indian refineries and petrochemical plants
BS 5163
Metal seated CI gate valves — PN10 / PN16
British standard municipal water projects in India
IS 778
Gunmetal / bronze gate valves — screwed ends
Small bore utility, plumbing, low pressure instrument lines
Gate Valve vs Butterfly Valve vs Ball Valve — Selection Guide
One of the most common questions from Indian EPC purchase managers and plant engineers — when to use a gate valve vs butterfly valve vs ball valve for isolation service:
Feature
Gate Valve
Butterfly Valve
Ball Valve
Flow Path
Full bore — gate clears completely
Disc remains in flow — slight restriction
Full bore — ball port aligns with pipe
Pressure Drop
✅ Near zero — full open
Low — small disc obstruction
✅ Near zero — full bore
Operation Speed
Slow — multiple turns required
✅ Fast — quarter turn
✅ Fast — quarter turn
Throttling
❌ Not suitable — causes erosion
Limited throttling possible
❌ Not suitable for throttling
Large Diameter
Available — but heavy and costly at large sizes
✅ Preferred — lightweight and economical
Available — expensive at large sizes
High Pressure
✅ API 600 up to Class 2500
Limited — typically PN25 / Class 150
✅ Available to Class 2500
Pigging / Inline Inspection
✅ Full bore — pig passes through
❌ Disc obstruction — pig cannot pass
✅ Full bore — pig passes through
Best For
Oil and gas, high pressure, full bore requirements, infrequent operation
Water, HVAC, utility — frequent operation, large diameter
Chemical, process, quick shutoff, small to medium bore
All Material Variants — Full Keyword Coverage
Cast iron gate valve flanged PN16 IS 1218 supplier India. Resilient seated gate valve IS 14846 supplier Ahmedabad. Carbon steel WCB gate valve API 600 Class 150 flanged supplier India. WCB gate valve Class 300 butt weld supplier Ahmedabad. SS304 gate valve CF8 Class 150 flanged supplier India. SS316 gate valve CF8M Class 150 chemical plant supplier India. SS316 screwed gate valve Class 800 supplier Ahmedabad. Alloy steel F11 gate valve Class 600 high temperature India. Alloy steel F22 gate valve Class 1500 steam line supplier India. Gate valve OS&Y rising stem API 600 supplier Ahmedabad. Gate valve non-rising stem NRS underground municipal India. Gate valve gear operated 300mm 400mm 600mm supplier India. Gate valve screwed BSP Class 800 small bore India. Gate valve socket weld SW Class 800 1500 refinery India. Gate valve butt weld BW API 600 Class 150 300 600 India. API 600 gate valve supplier Ahmedabad Gujarat India. IS 1218 gate valve supplier India. IS 14846 resilient seated gate valve supplier Ahmedabad.
Pipe Flange — matching flanges for all gate valve classes
Frequently Asked Questions
1. What is a gate valve used for?
A gate valve is a full-bore isolation valve used to fully open or fully close a pipeline — not for throttling. The gate lifts completely clear of the flow path when open, providing unrestricted full bore flow with near-zero pressure drop. Standard isolation valve for oil and gas, water supply, fire fighting, steam, and industrial process piping.
2. Which gate valve grade for oil and gas projects?
ASTM A216 WCB body conforming to API 600 is the standard gate valve specification for oil and gas, refinery, and petrochemical EPC projects in India. For Class 150 and 300 flanged general service — WCB / API 600 is the go-to specification.
3. Which gate valve for Indian municipal water projects?
IS 14846 resilient seated gate valve (CI or DI body, EPDM rubber-encapsulated wedge) is specified in most new Indian municipal water supply, smart city, and JNNURM projects. IS 1218 metal seated is specified in older irrigation and raw water projects.
4. What is API 600?
API 600 is the American Petroleum Institute standard for bolted bonnet steel gate valves — covering design, dimensions, materials, and testing for Class 150 to Class 2500 flanged and butt weld gate valves. The most widely specified gate valve standard in Indian oil and gas, refinery, and petrochemical EPC projects.
5. What is the difference between Class 150, Class 300, and Class 600?
These are ASME pressure-temperature rating classes for flanged valves and fittings. Class 150 handles up to approximately 20 bar at ambient. Class 300 up to approximately 52 bar. Class 600 up to approximately 100 bar. Always verify P-T rating table for specific material and temperature combination before ordering.
6. What is OS&Y gate valve?
OS&Y stands for Outside Screw and Yoke — a rising stem gate valve design where the stem threads are outside the valve body, protected from the process fluid. Standard design for all API 600 gate valves. Visual position indication — stem extended means valve open.
7. Can gate valves be used for throttling?
No — gate valves are strictly for full open / full close isolation service. Partially opening a gate valve causes severe seat erosion and vibration damage. Use globe valves for throttling and flow regulation service.
8. When to use socket weld vs screwed end gate valve?
Both are for small bore lines typically up to 50mm. Socket weld (SW) Class 800 / 1500 is preferred for high pressure process lines where a leak-free welded connection is required. Screwed BSP / NPT Class 800 is used for utility lines and where future disassembly for maintenance is needed.
9. What test certificates do you provide?
MTC for body material, hydrostatic shell test, seat leakage test per API 598, and NACE compliance certificates for sour service grades. Third party inspection by TUV / BV / Lloyd’s available on request.
10. What is the MOQ?
MOQ is 10 Nos per line item. Full project BOM supply welcome with consolidated pricing.
11. Can I order gate valves with flanges, check valves, and butterfly valves together?
Yes — Krishna Industries supplies gate valves, globe valves, butterfly valves, check valves, Y strainers, flanges, pipe fittings, and fasteners in consolidated single orders — single GST invoice, single dispatch.
12. Do you supply electric actuated gate valves?
Yes — electric actuated and pneumatic actuated gate valve packages available. Specify valve size, pressure class, body material, actuator type, and control signal (4-20mA / on-off) for quotation.
Conclusion
The Gate Valve supplied by Krishna Industries (KELOR) covers the complete range required for Indian EPC, oil and gas, municipal, and industrial projects — Cast Iron, Ductile Iron, WCB, WCC, LCB, SS304, SS316, SS316L, F11, F22, Duplex F51 — sizes 15mm to 600mm — PN10 to Class 2500 — flanged, screwed, socket weld, butt weld — API 600, API 602, IS 1218, IS 14846, BS 1414, BS 5163. Sourced from verified Indian manufacturers with MTC, hydrostatic test certificates, and complete GST documentation. Fast PAN India dispatch from Ahmedabad.
For EPC contractors, purchase managers, oil and gas project buyers, MRO teams, and bulk industrial buyers — contact Krishna Industries (KELOR), your trusted Gate Valve supplier in Ahmedabad, Gujarat, India. WhatsApp your size, grade, standard, and quantity for bulk pricing within 2 hours.
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