ASTM A182 F51 Check Valve
5 products found
An ASTM A182 F51 check valve is an automatic non-return valve forged from premium unsensitized duplex stainless steel (22% chromium, 5% nickel, 3% molybdenum) to provide superior structural strength and corrosion resistance in highly aggressive media. The balanced 50/50 austenitic-ferritic microstructure delivers double the yield strength of standard 316 stainless steel, rendering the valve highly immune to chloride pitting, crevice erosion, and stress corrosion cracking. Operating strictly via pressure differentials, its internal disc lifts under forward pressure and snaps shut against precision-lapped duplex seats during backflow to prevent line reversals. Subsea engineering teams and chemical procurement managers can combat high-chloride pitting and maximize valve lifespan by importing certified ASTM A182 F51 check valves directly from specialized manufacturers in China via our advanced B2B digital marketplace.
Bosseal Valves (Suzhou) Co., Ltd.
ASTM A182 F51 Swing Check Valve, API 602, 2 Inch, 1500 LB
Model Number: 2S15JF51
Bosseal Valves (Suzhou) Co., Ltd.
API 602 Swing Check Valve, 3IN, 900 LB, A182 F51, API 594, RF
Model Number: 3S9RF51
Bosseal Valves (Suzhou) Co., Ltd.
ASTM A182 F51 Swing Check Valve, 2 Inch, 150 LB, API 602, RF
Model Number: 2S1RF51
Zhejiang Kosen Valve Co., Ltd.
ASTM A182 F51 Check Valve, API 602, 1 Inch, 2500 LB, RTJ
Model Number: KV-20250214-FSCV-01
Zhejiang Magpie Sealing Technology Co., Ltd.
ASTM A182 F51 Lift Check Valve, ASME B16.34, DN80, PN160, RF
Model Number: MV-20250626-FSCV-01
- 1