Butterfly Valve Seat

BUNA(Nitrile) / EPDM / FKM/FPM wafer/ lug butterfly valve liners Classification of rubber There are many varieties of rubber, and the classification methods are not uniform. 1) According to the source of materials, it can be divided into two categories: Natural Rubber and Synthetic Rubber. 2) According to its performance and use, it can be divided into two categories: Universal Rubber and Specialty Rubber Eastomer. * Any rubber with the same or close performance as natural

DN25-DN1350 stable performance Styrene Butadiene Rubber Valve Seat Styrene Butadiene Rubber (SBR) Compared with natural rubber, SBR has better uniform quality, less foreign body, and better wear resistance and aging resistance, but the mechanical strength is weaker, it can be used by mixing with natural rubber. Advantages: SBR has good heat resistance, wear resistance, aging resistance. It has good storage stability, and can be soluble in benzene, toluene, xylene, ethyl

High reliability and Extended service life Butterfly Rubber Valve Seat Benefits of Butterfly Valve seats from SML All raw materials are sourced from international brands with stable property Good elasticity Excellent compressive properties Stable dimensions Small torque Good sealing performance Good wearing resistance Workshop Production Process Flow Raw material storage → Incoming inspection → Batching → Mixing → Physical Property Test → Place → Clipping → Molding → Trim and

Customized to specific applications Butterfly Rubber Valve Seat Benefits of Butterfly Valve seats from SML Outstanding operational performance High reliability Extended service life Low operational torque values Excellent sealing performance Wide range of applications Wide temperative range Customized to specific applications Workshop Production Process Flow Raw material storage → Incoming inspection → Batching → Mixing → Physical Property Test → Place → Clipping → Molding →

PTFE+EPDM / PTFE+FKM rubber valve seat For Centerlined Butterfly Valve General Information: Type: PTFE Composite rubber butterfly valve seat Material: PTFE+EPDM / PTFE+FKM Certification: FDA, REACH, ROHS, EC1935 Performance: Good resistance to high temperature, acid and alkali, Good resilience Color: Black, green Size range: DN50(2inch) ~ DN600(24 inch) SML rubber valve seat introduction: A butterfly valve seat is a type of flow control devise, typically used to regulate o

Fluororubber (FKM) rubber valve seat For Centerlined Butterfly Valve General Information: Type PTFE Composite rubber butterfly valve seat Material PTFE+EPDM / PTFE+FKM Certification FDA, REACH, ROHS, EC1935 Performance Good resistance to high temperature, acid and alkali, Good resilience Color Black, green Size range DN50(2inch) ~ DN600(24 inch) Basic features of FKM: Excellent heat resistance, even at 200 °C, it does not change. Excellent weather resistance and ozone

Small torsion resistance, good sealing and material performance valve seat The rubber seats of all categories of midline values produced by SML are made of materials with good elasticity, excellent pressure variation, stable sizes, small torsion resistance, good sealing and material performance. Size range: DN50(2inches) - DN1350(54 inches). Basic characteristics of material NR 1. Unsaturated rubber, active chemical properties, can carry out addition and cyclization reaction,

kinds of seat valve for resilient seated butterfly valves The rubber seats of all categories of midline values produced by SML are made of materials with good elasticity, excellent pressure variation, stable sizes, small torsion resistance, good sealing and material performance. Size range: DN50(2inches) - DN1350(54 inches). Basic characteristics of material NR 1. Unsaturated rubber, active chemical properties, can carry out addition and cyclization reaction, and sulfur,

OEM/ ODM soft back / rubber valve seat for centerline butterfly valve​ Classification of rubber There are many varieties of rubber, and the classification methods are not uniform. 1) According to the source of materials, it can be divided into two categories: Natural Rubber and Synthetic Rubber. 2) According to its performance and use, it can be divided into two categories: Universal Rubber and Specialty Rubber Eastomer. * Any rubber with the same or close performance as

Full size soft back / rubber valve seat for centerline butterfly valve 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

High tensile strength & elongation, low heat generation Nature Rubber Valve Seat Basic characteristics of NR 1. Unsaturated rubber, active chemical properties, can carry out addition and cyclization reaction, and sulfur, oxygen and other reactions, easy to react. 2. Non-polar rubber, none oil resistance. 3. Crystalline rubber has self-reinforcing properties and high elasticity. 4. Become glass state under -70 degrees. 5. With good comprehensive performance: high tensile

Heat and cold resistance and Excellent electrical performance Silicone Butterfly Valve Seat Classification of rubber There are many varieties of rubber, and the classification methods are not uniform. 1) According to the source of materials, it can be divided into two categories: Natural Rubber and Synthetic Rubber. 2) According to its performance and use, it can be divided into two categories: Universal Rubber and Specialty Rubber Eastomer. * Any rubber with the same or

Excellent cold/ ozone/ heat aging/ oil and solvent resistance CR Butterfly Valve Seat Classification of rubberThere are many varieties of rubber, and the classification methods are not uniform. 1) According to the source of materials, it can be divided into two categories: Natural Rubber and Synthetic Rubber. 2) According to its performance and use, it can be divided into two categories: Universal Rubber and Specialty Rubber Eastomer.* Any rubber with the same or close

Oil and heat resistance CSM Soft Seated Butterfly Valve Rubber Seat Chlorosulfonated polyethylene, short called as CSM. 1.1 Excellent resistance to ozone, weather, chemical resistance and discoloration. 1.2 Good heat resistance, continuous use temperature 120-140 °C, intermittent use temperature up to 140-160 °C. 1.3 Because it contains more chlorine, it has flame resistance and burns very slowly. When it is removed, it will extinguish itself. 1.4 Good oil and heat resistance

Customized Durable low Torque Silicone (SIL) Butterfly Valve Seat Silicone rubber ( SILICONE ) 1. Basic characteristics: 1.1 Excellent heat resistance and cold resistance, and can be used with a small change in physical properties over a wide temperature range of -60 to +250 °C. 1.2 Ozone resistance and weather resistance are good. 1.3 Excellent electrical performance, with a small variation in frequency range over a wide temperature range. 1.4 Low mechanical properties, high

Heat and cold resistance white Silicone (SIL) Butterfly Valve Seat Silicone rubber ( SILICONE ) 1. Basic characteristics: 1.1 Excellent heat resistance and cold resistance, and can be used with a small change in physical properties over a wide temperature range of -60 to +250 °C. 1.2 Ozone resistance and weather resistance are good. 1.3 Excellent electrical performance, with a small variation in frequency range over a wide temperature range. 1.4 Low mechanical properties,

Low torque EPDM valve Seat for wafer Butterfly Valve 1'-54' Hardness:70±5 Size:1'-54' Applied Medium:good chemical stability and leakproofness,corrosion resistance, high-lubricating,good electric insulation and ageing resistance Temperature:-70℃~200℃ Certificate: KTW W270 EN681-1,ACS,NSF61/372;WRAS,EC1935;FDA,EC1935;REACH,ROHS Description: 1. Rubber and framework material are firmly bonded. 2. Excellent rubber elasticity and compression set. 3. Stable seat size and small

Durable Small Torque Silicone (SIL) Butterfly Valve Seat Silicone rubber ( SILICONE ) 1. Basic characteristics: 1.1 Excellent heat resistance and cold resistance, and can be used with a small change in physical properties over a wide temperature range of -60 to +250 °C. 1.2 Ozone resistance and weather resistance are good. 1.3 Excellent electrical performance, with a small variation in frequency range over a wide temperature range. 1.4 Low mechanical properties, high

Customized Durable low Torque Silicone (SIL) Butterfly Valve Seat Silicone rubber ( SILICONE ) 1. Basic characteristics: 1.1 Excellent heat resistance and cold resistance, and can be used with a small change in physical properties over a wide temperature range of -60 to +250 °C. 1.2 Ozone resistance and weather resistance are good. 1.3 Excellent electrical performance, with a small variation in frequency range over a wide temperature range. 1.4 Low mechanical properties, high

Heat and cold resistance Silicone (SIL) Butterfly Valve Seat Silicone rubber ( SILICONE ) 1. Basic characteristics: 1.1 Excellent heat resistance and cold resistance, and can be used with a small change in physical properties over a wide temperature range of -60 to +250 °C. 1.2 Ozone resistance and weather resistance are good. 1.3 Excellent electrical performance, with a small variation in frequency range over a wide temperature range. 1.4 Low mechanical properties, high