Selection of materials and accessories for butterfly valves
27 Years of Passion & Experience
1.Type of connection
2.Body
4.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
PTFE
PTFE
It features outstanding chemical resistance, low friction coefficient and high-temperature resistance, and is suitable for harsh medium working conditions such as strong acids and strong alkalis
FKM
FKM
It features outstanding high-temperature resistance, oil resistance and chemical corrosion resistance, and is suitable for extreme working conditions
EPDM vulcanization
EPDM vulcanization
It has excellent weather resistance, ozone resistance and chemical corrosion resistance
WRAS certificatino
WRAS certificatino
It has excellent water resistance and hygiene safety, and is suitable for drinking water systems
5.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
K500
K500
It can resist seawater corrosion and has high mechanical strength
2205
2205
Strong corrosion resistance, high pitting resistance, high strength, stable structure
2507
2507
Ultra corrosion resistance, high pitting resistance, extremely high strength
1.4529
1.4529
Excellent strong acid & chloride pitting resistance, high stability
6.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
C95800 copper
C95800 copper
It is suitable for applications that require high-temperature resistance and vibration resistance, and has better wear resistance and corrosion resistance than C95400
2205 duplex steel
2205 duplex steel
Strong corrosion resistance, good pitting resistance, high strength
2507 duplex steel
2507 duplex steel
It has excellent resistance to pitting corrosion, crevice corrosion and uniform corrosion
1.4529 duplex steel
1.4529 duplex steel
High hardness, wear resistance and moderate corrosion resistance
SS304(Miloch)
SS304(Miloch)
Wear-resistant, corrosion-resistant and with a long service life
PTFE disc
PTFE disc
It features excellent chemical stability, high-temperature resistance, low friction coefficient and good electrical insulation performance
Rubber-lined
Rubber-lined
Strong sealing performance and oxidation resistance
7.Operator
Handle
Worm gear
Pneumatic actuator
Electric actuator
Bare Shaft
Iron plate(SP)
Iron plate(SP)
It is formed by stamping high-strength steel and features a solid structure and strong durability.
DI
DI
It is made of high-strength ductile iron and features corrosion resistance and wear resistance.
Aluminum (A)
Aluminum (A)
It is made of lightweight aluminum alloy and features light weight and corrosion resistance.
Aluminum (B)
Aluminum (B)
It is made of lightweight aluminum alloy and features light weight and corrosion resistance.
Aluminum (C)
Aluminum (C)
It is made of lightweight aluminum alloy and features light weight and corrosion resistance.
Aluminum (D)
Aluminum (D)
It is made of lightweight aluminum alloy and features light weight and corrosion resistance.
SS304(SP)
SS304(SP)
It features corrosion resistance and wear resistance, and is suitable for industries such as water treatment and chemical engineering
Korean-type（SP）
Korean-type（SP）
It is formed by stamping high-strength steel and features a solid structure and strong durability.
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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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