Rubber Lined Wafer Type Butterfly Valve

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Product Details:

Connection Wafer Type, Fits Between Flanges
Valve Type Wafer Type Butterfly Valve
Material Cast Iron Body with Rubber Lining
Power Source Manual (Lever/Gear Operated)
Pressure PN 10/PN 16 Rated
Media
Working Temperature Up to 120C
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Rubber Lined Wafer Type Butterfly Valve Price And Quantity

Minimum Order Quantity 1 Unit

Leakage Class Bubble Tight Shut-off
Face to Face Dimension Short Pattern
Top Flange ISO 5211
Shaft Material Stainless Steel
Seat Material EPDM/NBR/Viton Rubber Lined
Test Pressure Hydrostatic 1.5 times rated pressure
Design Standard API 609/BS 5155
Operation Quarter Turn, 90 Rotation
Disc Material Ductile Iron/SS 304/SS 316
End Connection Standard IS 6411/ISO 5752
Coating Fusion Bonded Epoxy

Rubber Lined Wafer Type Butterfly Valve Product Specifications

Shape Disc Type, Wafer Design
Pressure PN 10/PN 16 Rated
Valve Type Wafer Type Butterfly Valve
Power Source Manual (Lever/Gear Operated)
Connection Wafer Type, Fits Between Flanges
Port Size DN 40 to DN 600 (1 1/2 to 24)
Material Cast Iron Body with Rubber Lining
Working Temperature Up to 120C

Leakage Class Bubble Tight Shut-off
Face to Face Dimension Short Pattern
Top Flange ISO 5211
Shaft Material Stainless Steel
Seat Material EPDM/NBR/Viton Rubber Lined
Test Pressure Hydrostatic 1.5 times rated pressure
Design Standard API 609/BS 5155
Operation Quarter Turn, 90 Rotation
Disc Material Ductile Iron/SS 304/SS 316
End Connection Standard IS 6411/ISO 5752
Coating Fusion Bonded Epoxy

Rubber Lined Wafer Type 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: -20C To 80C For Nitrile Seat (Depending On MOC)
Pressurre Class: PN 10 / PN 16 (PN 20 On Request)
Body Style: Wafer Type
Flange Drilling: IS 6392 / EN 1092 - 1 / EN 1092 - 2 / ASME B 16.5 150#
Body Materials: S.G.I / C.I / D.I / WCB / CF8 / CF8M / CF3M / SS 304L / DUPLEX / HAST ALLOY / MONEL
Stem Materials: SS 304 / 316 / 410 / 17 - 4 PH / Super Duplex 2507 / 2205
Seat Materials: NBR / EPDM PTFE / MODIFIED PTFE / RPTFE / CFT / GFT / DEVLON / PEEK / NYLON / AIRA-250
Disc Materials: S.G.I / CF8 / CF8M / CF3M / WCB + ENP / HAST ALLOY / DUPLEX / MONEL / ASTM A - 995
Seat Leakage Class: Tight Shut Off
Flange Standard Conformity: ASME B16.5 / 16.47 Series A Class 150
Top Flange Drilling: ISO 5211
Design And Manufacturer: API 609 Category A / IS:13095 / BS EN 593
Valve Face To Face Dimension: Short Wafer As Per ISO 5752 TAB 5/API 609 Category A ISO 5752 TAB 1 / BS EN-593 / BS EN-558
Inspection & Testing: API 598 / BS EN 12266 -1
End Connection: Wafer type Suit 150#, Table'D', Table'E' & IS 6392 Table 11 ( PN 10 / PN 16 )

Versatile Design for Multiple Media

This wafer type butterfly valve is engineered for compatibility with a wide range of fluids, including water, air, gas, oil, and various non-corrosive substances. Its robust rubber lining (EPDM/NBR/Viton) safeguards against chemical wear, while the disc material options grant flexibility for different applications. The valve is available in port sizes from 112" to 24" (DN 40 to DN 600), making it suitable for various project sizes and requirements.

Reliable Shut-Off and Performance

Designed to deliver bubble-tight shut-off, this valve effectively prevents leakages even under demanding conditions. It is tested hydrostatically at 1.5 times the rated pressure, ensuring dependable operation in PN10/PN16 systems. The 90 quarter-turn operation is intuitive and suitable for manual actuation, facilitating quick isolation or regulation in your piping system.

Adherence to International Standards

Complying with major international standards such as API 609, BS 5155, IS 6411/ISO 5752, and ISO 5211, this valve assures quality and dimensional compatibility. Its fusion bonded epoxy coating adds an extra layer of corrosion resistance, enhancing its durability, particularly in challenging industrial environments.

FAQ's of Rubber Lined Wafer Type Butterfly Valve:

Q: How is the Rubber Lined Wafer Type Butterfly Valve installed in a piping system?

A: This valve is designed for wafer-type installation, meaning it fits between two flanges in your existing pipeline. Proper alignment is ensured by following the face-to-face dimension standard (short pattern), with end connection compatibility based on IS 6411 or ISO 5752 specifications.

Q: What are the benefits of using rubber-lined seats like EPDM, NBR, or Viton?

A: Rubber-lined seats such as EPDM, NBR, or Viton provide superior sealing, chemical resistance, and durability. They offer bubble-tight shut-off performance and allow the valve to be used with a broader range of fluids without risk of seat degradation.

Q: When should I choose a disc made from SS 304 or SS 316 over ductile iron?

A: Opt for SS 304 or SS 316 disc materials if your system handles corrosive or aggressive fluids. These stainless steel variants offer enhanced corrosion resistance compared to ductile iron, extending valve lifespan under stringent conditions.

Q: Where can this butterfly valve be used effectively?

A: This valve is ideal for water supply systems, HVAC, chemical processing, oil & gas pipelines, and general industrial applications involving non-corrosive fluids. Its robust design and wide compatibility make it suitable for both new installations and system upgrades.

Q: What is the process for operating this valve, and what power sources can be used?

A: The valve operates with a quarter-turn, 90 rotation, which can be achieved manually via lever or gear mechanisms. No external electric or pneumatic power source is required, making it easy to use and dependable in manual systems.

Q: How does the fusion bonded epoxy coating enhance valve performance?

A: The fusion bonded epoxy coating provides an additional layer of corrosion resistance to the valve body. This ensures long-term durability, particularly in environments susceptible to moisture, chemicals, or abrasive media.

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