API 609 / ISO 5211 / ASME B16.34

Butterfly Valve Manufacturer
& Exporter from India

Supreme Valves is a leading butterfly valve manufacturer in India. We produce wafer, lug, and double flange butterfly valves for water, wastewater, HVAC, fire protection, and oil & gas applications. Sizes 2" to 48", Class 150 and 300.

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API 609 Certified 2" to 48" Gulf Export NAB Seawater Option

Butterfly Valve Types We Manufacture

Wafer Type Butterfly Valve

Centers between flanges with bolts passing through body. Lightweight, compact, lower cost. For isolation and throttling in water and air service.

2" to 36"

Lug Type Butterfly Valve

Threaded inserts on both sides for bolting. Can be installed between flanges or as end-of-line. Preferred for water distribution.

2" to 24"

Double Flanged Butterfly Valve

Full flange connections on both ends. High pressure capability. Used in water treatment, pumping stations, and process lines.

4" to 48"

Triple Offset Butterfly Valve

High-performance design for severe service. Metal-to-metal seat for bubble-tight shutoff. Petrochemical, oil & gas, and high-temp applications.

3" to 36"

NAB Seawater Butterfly Valve ⭐

Nickel Aluminium Bronze C95800 disc and seat for seawater and marine service. Desalination plants, offshore platforms, ballast water systems.

4" to 24"

Butterfly Valve Specifications

📏
2" – 48"
Size Range
Class 150 / 300
Pressure Rating
🌡️
-20°C to 250°C
Temperature Range
🔧
DI / WCB / SS316 / NAB
Body Materials
Parameter Specification
StandardAPI 609 / ISO 5211 / ASME B16.34
Face-to-FaceAPI 609 / ISO 5752 (Series 20)
Body MaterialsDuctile Iron (ASTM A395), WCB, CF8M (SS316), C95800 (NAB)
Disc MaterialsDuctile Iron (nickel plated or nylon coated), SS316, CF8M, NAB C95800
Seat/ LinerEPDM, NBR (Buna-N), PTFE, Viton, Metal (for triple offset)
OperationLever Handle, Gear Box, Pneumatic Actuator, Electric Actuator
Flange DrillingASME B16.5 Class 150 / 300, PN10 / PN16 / PN25
TestingAPI 598, Seat: 110% rated pressure, Shell: 1.5× rated pressure

Applications by Industry

Water & Wastewater

Pumping stations, treatment plants, transmission mains. EPDM liner preferred.

HVAC

Chilled water, condenser water, air handling units. Ductile iron with EPDM.

Fire Protection

UL/FM approved. Fire water mains, sprinkler systems. NBR seat.

Oil & Gas

Pipeline isolation, process control. SS316 or NAB disc, PTFE seat.

Seawater / Desalination ⭐

NAB C95800 disc and seat. SWCC projects, cooling water systems.

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