Rubber Lined Double Flanged Butterfly Valve

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Connection Double Flanged, Drilled to ANSI / DIN / BS Standards
Valve Type Rubber Lined Double Flanged Butterfly Valve
Material Cast Iron / Ductile Iron Body, Rubber Lining (EPDM/NBR/Viton), Stainless Steel Disc / Shaft
Power Source Manual (Hand Lever / Gear Operated)
Pressure PN10 / PN16 rated
Media Water, Sewage, Air, Oil, Chemicals
Working Temperature Up to 120C (Depending on lining material)
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Rubber Lined Double Flanged Butterfly Valve Price And Quantity

Minimum Order Quantity 1 Unit

Body Lining Replaceable Rubber Liner
End Type Double Flanged
Leakage Class Class VI (Zero Leakage)
Mounting Position Horizontal / Vertical
Design Standard BS 5155 / EN 593
Sealing Bubble-tight in both directions
Coating Fusion Bonded Epoxy (FBE) externally coated
Handle Types Lever, Gearbox, Electric and Pneumatic actuator optional
Face to Face Standard EN 558 Series 13 / ISO 5752
Disc Material Stainless Steel / Ductile Iron, fully encapsulated with rubber (optional)
Test Pressure Body: 1.5 x rated pressure, Seat: 1.1 x rated pressure
Operation Quarter Turn (90 rotation)
Flange Drilling As per DIN PN10/16, ANSI 150, BS 10
Application Water treatment plants, HVAC, Fire Protection, Chemical Industry, Irrigation

Rubber Lined Double Flanged Butterfly Valve Product Specifications

Shape Round
Valve Type Rubber Lined Double Flanged Butterfly Valve
Media Water, Sewage, Air, Oil, Chemicals
Connection Double Flanged, Drilled to ANSI / DIN / BS Standards
Port Size DN50 to DN1200
Power Source Manual (Hand Lever / Gear Operated)
Material Cast Iron / Ductile Iron Body, Rubber Lining (EPDM/NBR/Viton), Stainless Steel Disc / Shaft
Pressure PN10 / PN16 rated
Working Temperature Up to 120C (Depending on lining material)

Body Lining Replaceable Rubber Liner
End Type Double Flanged
Leakage Class Class VI (Zero Leakage)
Mounting Position Horizontal / Vertical
Design Standard BS 5155 / EN 593
Sealing Bubble-tight in both directions
Coating Fusion Bonded Epoxy (FBE) externally coated
Handle Types Lever, Gearbox, Electric and Pneumatic actuator optional
Face to Face Standard EN 558 Series 13 / ISO 5752
Disc Material Stainless Steel / Ductile Iron, fully encapsulated with rubber (optional)
Test Pressure Body: 1.5 x rated pressure, Seat: 1.1 x rated pressure
Operation Quarter Turn (90 rotation)
Flange Drilling As per DIN PN10/16, ANSI 150, BS 10
Application Water treatment plants, HVAC, Fire Protection, Chemical Industry, Irrigation

Rubber Lined Double Flanged Butterfly Valve Trade Information

Payment Terms Cash in Advance (CID)
Supply Ability 1000 Unit Per Month
Delivery Time 7 Days
Main Domestic Market All India

Product Description

Specification & Standard

Size Range: 1.1/2" To 20"
Tempreature Range: -20°C To 80°C For Nitrile Seat (Depending On MOC)
Pressurre Class: PN 10 / PN 16 ( PN 20 On Request )
Body Style: Double Flanged
Seat Materials: NBR / EPDM / Viton
Flange Drilling: IS 6392 / EN 1092 - 1 / EN 1092 - 2 / ASME B 16.5 150#
End Connection: Double Flange As Per ASME B16.5 / ASME B 16.47 Class 150
Body Materials: S.G.I / WCB / Gray Iron / Cast Steel / Ductile Iron / CF8 / CF8M / CF3M
Stem Materials: SS 304 / 316 / 410
Disc Materials: Gray Iron / Cast Steel / Ductile Iron / CF8 / CF8M / CF3M / CD4MCuN / S.G. Iron with Teflon / Teflon / Powder / Nylon Coated / Rubber Line / ASTM A - 995
Design And Manufacturer: Short Wafer type Double Flanged Centric Disc Butterfly Valves with Single Piece Rubber Lined Body
Testing Standard: BSEN 12266 - 1, API 598
Face To Face: BSEN 558

Bubble-Tight Sealing in Both Directions

Our double flanged butterfly valve features Class VI leakage rating, providing zero leakage for rigorous industrial and water utility applications. The replaceable rubber liner and precision-engineered disc ensure a secure, bubble-tight seal in both flow directions, minimizing maintenance needs and protecting operations from fluid loss.

Versatility for Diverse Operations

Designed to fit various flange standards (DIN, ANSI, BS), this valve covers a wide size range from DN50 to DN1200. With options for manual (lever/gear), electric, or pneumatic actuation, users can integrate it seamlessly into existing water, air, oil, chemical, or sewage systems, ensuring adaptability and simplicity in both horizontal and vertical pipelines.

Built for Longevity and Corrosion Resistance

The robust cast/ductile iron body, paired with FBE coating and encapsulated rubber linings, ensures long service life even under harsh conditions. Its design protects internal components from chemical corrosion and wear, enhancing operational reliability and reducing total cost of ownership for plants and facilities.

FAQ's of Rubber Lined Double Flanged Butterfly Valve:

Q: How does the replaceable rubber liner benefit this butterfly valve?

A: The replaceable rubber liner ensures a secure, bubble-tight seal while allowing for easy maintenance or replacement if worn. This extends the valve's lifespan and helps maintain optimal performance in demanding applications such as water, chemical, and sewage treatment.

Q: What operating conditions can this valve handle?

A: This valve is suitable for temperatures up to 120C (depending on lining material) and pressure ratings of PN10 or PN16. Its robust design and various lining options make it ideal for a wide range of media, including water, air, oil, sewage, and chemicals.

Q: When should I opt for an actuator instead of manual operation?

A: Actuators-electric or pneumatic-are recommended when frequent or remote operation is required, or in applications where precise flow control and automation are desired. Manual handles (lever/gearbox) suffice for simpler, accessible installations with less frequent use.

Q: Where can this valve be installed?

A: The valve is designed for use in water treatment plants, HVAC systems, fire protection lines, irrigation, and chemical processing facilities. Its double flanged design enables secure mounting in both horizontal and vertical pipelines.

Q: What is the process for selecting the right rubber lining material?

A: Selection should be based on the medium being controlled and operating temperature. EPDM suits potable water, NBR is ideal for oils, and Viton is preferred for aggressive chemicals or higher temperatures. Consultation with the manufacturer ensures the best fit for the application.

Q: What are the main benefits of using this double flanged butterfly valve?

A: The main benefits include zero-leakage operation (Class VI), ease of maintenance, compatibility with international standards, robust corrosion protection, adaptable mounting positions, and suitability for a wide range of media and pressures.

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