|Place of Origin:||Suzhou, China|
|Certification:||ISO, WRAS, ACS, FDA, DVGW, NSF, SGS|
|Minimum Order Quantity:||10 pieces|
|Packaging Details:||plywood case|
|Delivery Time:||20 days|
|Payment Terms:||T/T, L/C, D/A, D/P, Western Union|
|Supply Ability:||5000PCS/ Month|
|Product Name:||Wafer Type Centerline Soft Sealing Butterfly Valve,pneumatic Wafer Butterfly Valve||Material:||PTFE+EPDM|
|Port Size:||DN50-DN600||Media:||Water,Oil,Gas,Base,oil And Acid|
|Application:||High Temperature Conditions||Connection:||Wafer,Flange Ends|
|Valve Type:||Butterfly Valve,Lug Type Double Half Shaft Butterfly Valve Without Pin|
seat butterfly valve,
ptfe seat ball valve,
Butterfly Valve Parts Ptfe Seat
Zero Leakage PTFE Valve Seat Butterfly Valve Parts DN50 - DN600
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.
Torque adder: 0%
|Nitrile rubber has good self-expanding properties, abrasion resistance and hydrocarbon-resistant properties. It can be used as a general material for water, vacuum, acid, salt, alkali, grease, oil, butter, hydraulic oil, glycol, etc. Can not be used in places such as acetone, ketone, nitrate, and fluorinated hydrocarbons.|
Ethylene-propylene rubber is a good general-purpose synthetic rubber that can be used in hot water systems, beverages, dairy products, ketones, alcohols, nitrates, and glycerin, but not in hydrocarbon-based oils, inorganics, or solvents.
|Neoprene is used in media such as acids, oils, fats, butters and solvents and has good resistance to attack.|
PTFE stands for PolyTetraFluoroEthylene, which is the chemical term for the polymer (CF2)n.
Polytetrafluoroethylene (PTFE) is a thermoplastic member of the fluoropolymer family of plastics and has a low coefficient of friction, excellent insulating properties.
PTFE is chemically inert to most substances. It also can withstand high heat applications and it is well know for its anti-stick properties.
Choosing the right seat ring material is often the most challenging decision in Ball Valve Selection. To assist our customers during this process, we are willing to offer information on customer request.
PTFE valve seats produced by SML are widely used in textile, power station, petrochemical, heating and refrigeration, pharmaceutical, shipbuilding, metallurgy, light industry, environmental protection, Paper Industry, Sugar Industry, Compressed Air 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.
Contact Person: Lucy Shi
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