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Instrumentation Valves

Ham-Let Group features are wide variety of valves for many uses, including needle valves, ball valves, check valves, and relief valves. Our valves span a wide range of temperature and pressure ratings.
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- Connection Size 1/2" Remove This Item
- H480HPSSN1/21PSI$128.76High Performance, Fixed Cracking Pressure Check Valve
H400-HP Series, SS Check Valve, 1/2" Male NPT Thread x 1/2" Male NPT Thread, Fluorcarbon FKM O-Ring, 1 PSI Cracking Pressure Learn More - H480HPSSN1/210PSI$128.76High Performance, Fixed Cracking Pressure Check Valve
H400-HP Series, SS Check Valve, 1/2" Male NPT Thread x 1/2" Male NPT Thread, Fluorcarbon FKM O-Ring, 10 PSI Cracking Pressure Learn More - H480HPSSN1/21/3PSI$128.76High Performance, Fixed Cracking Pressure Check Valve
H400-HP Series, SS Check Valve, 1/2" Male NPT Thread x 1/2" Male NPT Thread, Fluorcarbon FKM O-Ring, 1/3 PSI Cracking Pressure Learn More - H480HPSSGL1/25PSI$160.98High Performance, Fixed Cracking Pressure Check Valve
H400-HP Series, SS Check Valve, 1/2" Male Face Seal x 1/2" Male Face Seal, Fluorcarbon FKM O-Ring, 5 PSI Cracking Pressure Learn More - H480HPSSGL1/225PSI$160.98High Performance, Fixed Cracking Pressure Check Valve
H400-HP Series, SS Check Valve, 1/2" Male Face Seal x 1/2" Male Face Seal, Fluorcarbon FKM O-Ring, 25 PSI Cracking Pressure Learn More - H480HPSSGL1/21PSI$160.98High Performance, Fixed Cracking Pressure Check Valve
H400-HP Series, SS Check Valve, 1/2" Male Face Seal x 1/2" Male Face Seal, Fluorcarbon FKM O-Ring, 1 PSI Cracking Pressure Learn More - H480HPSSGL1/21/3PSOC$185.11High Performance, Fixed Cracking Pressure Check Valve
H400-HP Series, SS Check Valve, 1/2" Male Face Seal x 1/2" Male Face Seal, Fluorcarbon FKM O-Ring, Oxigen Clean, 1/3 PSI Cracking Pressure Learn More - H480HPSSGL1/21/3PSI$160.98High Performance, Fixed Cracking Pressure Check Valve
H400-HP Series, SS Check Valve, 1/2" Male Face Seal x 1/2" Male Face Seal, Fluorcarbon FKM O-Ring, 1/3 PSI Cracking Pressure Learn More - H480BN1/21PSI$62.81Standard, Fixed Cracking Pressure Check Valve
H400 Series, Brass Check Valve, 1/2" Male NPT Thread x 1/2" Male NPT Thread, Fluorcarbon FKM O-Ring, 1 PSI Cracking Pressure Learn More - H480BN1/21/3PSI$62.81Standard, Fixed Cracking Pressure Check Valve
H400 Series, Brass Check Valve, 1/2" Male NPT Thread x 1/2" Male NPT Thread, Fluorcarbon FKM O-Ring, 1/3 PSI Cracking Pressure Learn More - H410SSR1/21/3PSI$139.57Standard, Fixed Cracking Pressure Check Valve
H400 Series, SS Check Valve, 1/2" Female BSPT Thread x 1/2" Female BSPT Thread, Fluorcarbon FKM O-Ring, 1/3 PSI Cracking Pressure Learn More - H410SSN1/23PSI$139.57Standard, Fixed Cracking Pressure Check Valve
H400 Series, SS Check Valve, 1/2" Female NPT Thread x 1/2" Female NPT Thread, Fluorcarbon FKM O-Ring, 3 PSI Cracking Pressure Learn More - H410SSN1/225PSIOC$160.50Standard, Fixed Cracking Pressure Check Valve
H400 Series, SS Check Valve, 1/2" Female NPT Thread x 1/2" Female NPT Thread, Fluorcarbon FKM O-Ring, Oxigen Clean, 25 PSI Cracking Pressure Learn More - H410SSN1/225PSI$139.57Standard, Fixed Cracking Pressure Check Valve
H400 Series, SS Check Valve, 1/2" Female NPT Thread x 1/2" Female NPT Thread, Fluorcarbon FKM O-Ring, 25 PSI Cracking Pressure Learn More - H410SSN1/21PSIPT$153.52Standard, Fixed Cracking Pressure Check Valve
H400 Series, SS Check Valve, 1/2" Female NPT Thread x 1/2" Female NPT Thread, PTFE O-Ring, 1 PSI Cracking Pressure Learn More - H410SSN1/21PSIEP$146.54Standard, Fixed Cracking Pressure Check Valve
H400 Series, SS Check Valve, 1/2" Female NPT Thread x 1/2" Female NPT Thread, EPDM O-Ring, 1 PSI Cracking Pressure Learn More