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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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- Category Check Valves Remove This Item
- Connection Size 1/4" Remove This Item
- H400SSL1/41/3PSIKZ$104.14Standard, Fixed Cracking Pressure Check Valve
H400 Series, SS Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, Perfluor O-Ring, 1/3 PSI Cracking Pressure Learn More - H400SSL1/41/3PSIEPLF$78.60Standard, Fixed Cracking Pressure Check Valve
H400 Series, SS Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, EPDM O-Ring, Lubricant Free, 1/3 PSI Cracking Pressure Learn More - H400SSL1/41/3PSIEP$68.35Standard, Fixed Cracking Pressure Check Valve
H400 Series, SS Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, EPDM O-Ring, 1/3 PSI Cracking Pressure Learn More - H400SSL1/41/3PSIBU$68.35Standard, Fixed Cracking Pressure Check Valve
H400 Series, SS Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, Buna-N O-Ring, 1/3 PSI Cracking Pressure Learn More - H400SSL1/41/3PSI$65.09Standard, Fixed Cracking Pressure Check Valve
H400 Series, SS Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, 1/3 PSI Cracking Pressure Learn More - H400SSL1/41/3PPTOC$82.33Standard, Fixed Cracking Pressure Check Valve
H400 Series, SS Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, PTFE O-Ring, Oxigen Clean, 1/3 PSI Cracking Pressure Learn More - H400SSHL1/41PSI$65.09Standard, Fixed Cracking Pressure Check Valve
H400 Series, SS Check Valve, 1/4" One-Lok Tube Fitting x 1/4" One-Lok Tube Fitting, Fluorcarbon FKM O-Ring, 1 PSI Cracking Pressure Learn More - H400SSHL1/41/3PSI$65.09Standard, Fixed Cracking Pressure Check Valve
H400 Series, SS Check Valve, 1/4" One-Lok Tube Fitting x 1/4" One-Lok Tube Fitting, Fluorcarbon FKM O-Ring, 1/3 PSI Cracking Pressure Learn More - H400HPSSL1/45PSIOC$137.83High Performance, Fixed Cracking Pressure Check Valve
H400-HP Series, SS Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, Oxigen Clean, 5 PSI Cracking Pressure Learn More - H400HPSSL1/45PSILF$137.83High Performance, Fixed Cracking Pressure Check Valve
H400-HP Series, SS Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, Lubricant Free, 5 PSI Cracking Pressure Learn More - H400HPSSL1/45PSI$119.87High Performance, Fixed Cracking Pressure Check Valve
H400-HP Series, SS Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, 5 PSI Cracking Pressure Learn More - H400HPSSL1/450PSIKZ$337.50High Performance, Fixed Cracking Pressure Check Valve
H400-HP Series, SS Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, Perfluor O-Ring, 50 PSI Cracking Pressure Learn More - H400HPSSL1/450PSI$131.87High Performance, Fixed Cracking Pressure Check Valve
H400-HP Series, SS Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, 50 PSI Cracking Pressure Learn More - H400HPSSL1/43PSI$119.87High Performance, Fixed Cracking Pressure Check Valve
H400-HP Series, SS Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, 3 PSI Cracking Pressure Learn More - H400HPSSL1/425PSI$119.87High Performance, Fixed Cracking Pressure Check Valve
H400-HP Series, SS Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, 25 PSI Cracking Pressure Learn More - H400HPSSL1/41PSIOC$137.83High Performance, Fixed Cracking Pressure Check Valve
H400-HP Series, SS Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, Oxigen Clean, 1 PSI Cracking Pressure Learn More