Selection of materials and accessories for check valves
27 Years of Passion & Experience
1.Body
3.Seat
EPDM
EPDM
It has excellent weather resistance, ozone resistance and chemical corrosion resistance
NBR
NBR
It has excellent oil resistance and wear resistance, and is suitable for working conditions with media such as petroleum and hydraulic oil
4.Valve Stem
SS410
SS410
Resistant to wear and corrosion
SS420
SS420
Resistant to wear and corrosion
SS431
SS431
It has high hardness and strength, and is suitable for applications with high requirements for corrosion resistance and wear resistance
SS304
SS304
Moderate corrosion resistance, suitable for weakly corrosive environments
SS316
SS316
Adding 2% to 3% molybdenum on the basis of 304 significantly enhances the resistance to chloride ion corrosion
17-4PH
17-4PH
Good corrosion resistance and strength
5.Disc
Dl+Electroplating
Dl+Electroplating
Low cost, corrosion and rust resistant, compatible with various media, good sealing performance
Dl+Coating
Dl+Coating
Low cost, corrosion and rust resistant, compatible with various media, good sealing performance
CF8(SS304)
CF8(SS304)
Moderate corrosion resistance, suitable for weakly corrosive environments
CF8M(SS316)
CF8M(SS316)
Adding 2% to 3% molybdenum on the basis of 304 significantly enhances the resistance to chloride ion corrosion
CF3M(SS316L)
CF3M(SS316L)
Compared with 316, it has a lower carbon content and higher corrosion resistance
C95400 copper
C95400 copper
It features high strength, excellent corrosion resistance and wear resistance
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Tianjin Shiwen Valve Manufacturing Co., Ltd. is a scientific and technological small and medium-sized enterprise specializing in valve research and
Address：No.5Rd,Xiaozhan Industrial Park,Jinnan District,Tianjin.P.R.China
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