Suzhou Meilong Rubber and Plastic Products Co., Ltd.

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Home ProductsPTFE Valve Seat

Black / Green PTFE Valve Seat Butterfly Valve Parts DN50 - DN600 Port Size

Black / Green PTFE Valve Seat Butterfly Valve Parts DN50 - DN600 Port Size

  • Black / Green PTFE Valve Seat Butterfly Valve Parts DN50 - DN600 Port Size
  • Black / Green PTFE Valve Seat Butterfly Valve Parts DN50 - DN600 Port Size
  • Black / Green PTFE Valve Seat Butterfly Valve Parts DN50 - DN600 Port Size
Black / Green PTFE Valve Seat Butterfly Valve Parts DN50 - DN600 Port Size
Product Details:
Place of Origin: Suzhou, China
Brand Name: SML
Certification: ISO, WRAS, ACS, FDA, DVGW, NSF, SGS
Model Number: 928125Y2
Payment & Shipping Terms:
Minimum Order Quantity: 10 pieces
Price: Negotiation
Packaging Details: plywood case
Delivery Time: 20 days
Payment Terms: T/T, L/C, D/A, D/P, Western Union
Supply Ability: 5000PCS/ Month
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Detailed Product Description
Material: PTFE+EPDM Media: Water,Oil,Gas,Base,oil And Acid
Port Size: DN50-DN600 Application: High Temperature Conditions
Product Name: Wafer Type Centerline Soft Sealing Butterfly Valve,pneumatic Wafer Butterfly Valve Connection: Wafer,Flange Ends
Valve Type: Butterfly Valve,Lug Type Double Half Shaft Butterfly Valve Without Pin
High Light:

seat butterfly valve

,

ptfe seat ball valve

 

Black/ Green PTFE/ FPM +EPDM Rubber Valve Seat for Butterfly Valve Seat

 

PTFE + EPDM compounded rubber valve seats produced by SML are widely used in textile, power station, petrochemical, heating and refrigeration, pharmaceutical, shipbuilding, metallurgy, light industry, environmental protection and other fields.
Product performance: high temperature resistance, good acid and alkali resistance and oil resistance; with good rebound resilience, sturdy and durable without leaking.

 

PTFE+EPDM

The Teflon (PTFE) liner overlays EPDM which is bonded to a rigid phenolic ring on the outside seat perimeter. The PTFE extends over the seat faces and outsides flange seal diameter, completely covering the EPDM elastomer layer of the seat, which provides the resilience for sealing valve stems and the closed disc.

Temperature range: -10°C to 150°C.

 

Virgin PTFE (Polytetrafluoroethylene)

PTFE (Teflon) is a fluorocarbon based polymer and typically is the most chemically resistant of all plastics, while retaining excellent thermal and electrical insulation properties. PTFE also has a low coefficient of friction so it is ideal for many low torque applications.

This material is non-contaminating and accepted by the FDA for food applications. Although the mechanical properties of PTFE is low, comparing to other engineered plastics, its properties remain useful over a wide temperature range.

Temperature range: -38°C to +230°C.

Color: white

Torque adder: 0%

 

Heat / Cold Resistance of different rubbers

Rubber Name Short Name Heat Resistance ℃ Cold Resistance ℃
Natural Rubber NR 100 -50
Nitrle Rubber NBR 120 -20
Polychloroprene CR 120 -55
Styrene Butadiene copolyme SBR 100 -60
Silicone Rubber SI 250 -120
Fluororubber FKM/ FPM 250 -20
Polysulfide Rubber PS / T 80 -40
Vamac(Ethylene/Acrylic) EPDM 150 -60
Butyl Rubber IIR 150 -55
Polypropylene Rubber ACM 160 -30
Hypalon. Polyethylene CSM 150 -60


 

Black / Green PTFE Valve Seat Butterfly Valve Parts DN50 - DN600 Port Size 0

Black / Green PTFE Valve Seat Butterfly Valve Parts DN50 - DN600 Port Size 1

 

 

Contact Details
Suzhou Meilong Rubber and Plastic Products Co., Ltd.

Contact Person: Lucy Shi

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