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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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- Spring Type F: 3000-4000 psi Remove This Item
- H995HPSSNL1/4F$230.20H900HP Relief Valves - High Pressure
H900HP Series, SS High Pressure Relief Valve, Male NPT Thread 1/4" x 1/4" Let-Lok, Flourocarbon FKM Seal material Learn More - H985HPSSN1/4FOC$245.66H900HP Relief Valves - High Pressure
H900HP Series, SS High Pressure Relief Valve, Male NPT Thread 1/4" x 1/4" Female NPT Thread, Flourocarbon FKM Seal material, Oxygen Clean Learn More - H985HPSSN1/4FNEOC$257.93H900HP Relief Valves - High Pressure
H900HP Series, SS High Pressure Relief Valve, Male NPT Thread 1/4" x 1/4" Female NPT Thread, Polychloroprene (CR) Seal material, Oxygen Clean Learn More - H985HPSSN1/4FEP$224.30H900HP Relief Valves - High Pressure
H900HP Series, SS High Pressure Relief Valve, Male NPT Thread 1/4" x 1/4" Female NPT Thread, EPDM Seal material Learn More - H985HPSSN1/4FCE$254.48H900HP Relief Valves - High Pressure
H900HP Series, SS High Pressure Relief Valve, Male NPT Thread 1/4" x 1/4" Female NPT Thread, Flourocarbon FKM Seal material, Certification PED 97/23/EC Learn More - H985HPSSN1/4FBUOC$257.93H900HP Relief Valves - High Pressure
H900HP Series, SS High Pressure Relief Valve, Male NPT Thread 1/4" x 1/4" Female NPT Thread, Buna N Seal material, Oxygen Clean Learn More - H985HPSSN1/4F3770PCE$295.35H900HP Relief Valves - High Pressure
H900HP Series, SS High Pressure Relief Valve, Male NPT Thread 1/4" x 1/4" Female NPT Thread, Flourocarbon FKM Seal material, Certification PED 97/23/EC, Calibrated to 3770 psi Learn More - H985HPSSN1/4F3500P$254.48H900HP Relief Valves - High Pressure
H900HP Series, SS High Pressure Relief Valve, Male NPT Thread 1/4" x 1/4" Female NPT Thread, Flourocarbon FKM Seal material, Calibrated to 3500 psi Learn More - H985HPSSN1/4F3400PS$254.48H900HP Relief Valves - High Pressure
H900HP Series, SS High Pressure Relief Valve, Male NPT Thread 1/4" x 1/4" Female NPT Thread, Flourocarbon FKM Seal material, Calibrated to 3400 psi Learn More - H985HPSSN1/4F3335PS$237.83H900HP Relief Valves - High Pressure
H900HP Series, SS High Pressure Relief Valve, Male NPT Thread 1/4" x 1/4" Female NPT Thread, Flourocarbon FKM Seal material, Calibrated to 3335 psi Learn More - H985HPSSN1/4F3200P$254.48H900HP Relief Valves - High Pressure
H900HP Series, SS High Pressure Relief Valve, Male NPT Thread 1/4" x 1/4" Female NPT Thread, Flourocarbon FKM Seal material, Calibrated to 3200 psi Learn More - H985HPSSN1/4F3200CE$297.80H900HP Relief Valves - High Pressure
H900HP Series, SS High Pressure Relief Valve, Male NPT Thread 1/4" x 1/4" Female NPT Thread, Flourocarbon FKM Seal material, Certification PED 97/23/EC, Calibrated to 3200 psi Learn More - H985HPSSN1/4F3130PS$254.48H900HP Relief Valves - High Pressure
H900HP Series, SS High Pressure Relief Valve, Male NPT Thread 1/4" x 1/4" Female NPT Thread, Flourocarbon FKM Seal material, Calibrated to 3130 psi Learn More - H985HPSSN1/4F$213.60H900HP Relief Valves - High Pressure
H900HP Series, SS High Pressure Relief Valve, Male NPT Thread 1/4" x 1/4" Female NPT Thread, Flourocarbon FKM Seal material Learn More - H900HPSSL6MMFCE$285.28H900HP Relief Valves - High Pressure
H900HP Series, SS High Pressure Relief Valve, Let-Lok 6mm x 6mm Let-Lok, Flourocarbon FKM Seal material, Certification PED 97/23/EC Learn More - H900HPSSL6MMF3200EPLF$335.96H900HP Relief Valves - High Pressure
H900HP Series, SS High Pressure Relief Valve, Let-Lok 6mm x 6mm Let-Lok, EPDM Seal material, Lubricant Free, Calibrated to 3200 psi Learn More