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Instrumentation Valves

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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  1. Body Material Stainless Steel 316 Remove This Item
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Category
  1. Check Valves 647 items
  2. Ball Valves 462 items
  3. Needle Valves 333 items
  4. H1200 - Toggle Valves 18 items
  5. H1300 - Metering Valves 98 items
  6. H900 - Relief Valves 277 items
  7. H911 - Excess Flow Valves 19 items
Connection Type
  1. Let-Lok 1051 items
  2. One-Lok 27 items
  3. Male to Female, NPT 155 items
  4. Male to Female, BSPT 4 items
  5. Female BSPT to Let-Lok 1 item
  6. Female NPT to Let-Lok 2 items
  7. Male to Male, NPT 11 items
  8. Male to Male, BSPT 1 item
  9. Male to Male, Face Seal 8 items
  10. Male NPT to Let-Lok 50 items
  11. Male NPT to One-Lok 2 items
  12. Male BSPT to Let-Lok 1 item
  13. Male NPT Thread 133 items
  14. Male BSPT Thread 33 items
  15. Female to Female, NPT 5 items
  16. Male Face Seal 67 items
  17. Female NPT Thread 233 items
  18. Female BSPT Thread 52 items
  19. Female BSPP Thread 18 items
Actuation Type
  1. Double Acting 18 items
  2. Spring Return 53 items
Additional Features
  1. Factory Set 121 items
  2. Field Adjustable 156 items
Connection Size
  1. 3mm 8 items
  2. 6mm 184 items
  3. 8mm 72 items
  4. 10mm 68 items
  5. 12mm 63 items
  6. 18mm 7 items
  7. 22mm 1 item
  8. 25mm 3 items
  9. 1/16" 6 items
  10. 1/8" 139 items
  11. 1/4" 743 items
  12. 1/2" 275 items
  13. 3/8" 177 items
  14. 3/4" 75 items
  15. 1" 33 items
Cracking Pressure
  1. 1/3 PSI 174 items
  2. 1 PSI 151 items
  3. 3 PSI 53 items
  4. 5 PSI 61 items
  5. 10 PSI 79 items
  6. 25 PSI 73 items
  7. 50 PSI 29 items
  8. 150 PSI 13 items
  9. 250 PSI 8 items
  10. 350 PSI 6 items
Handle Type
  1. Metal Bar 112 items
  2. Round Handle 221 items
O-Ring Material
  1. EPDM 92 items
  2. Perfluor 73 items
  3. Polychloroprene (CR) 10 items
  4. Buna-N 23 items
  5. PTFE 34 items
  6. Fluorcarbon FKM 532 items
Seal Material
  1. EPDM 27 items
  2. Buna-N 24 items
  3. Polychloroprene (CR) 26 items
  4. Flourocarbon FKM 200 items
Seat Material
  1. PCTFE 140 items
  2. Modified PTFE 266 items
  3. PEEK 56 items
Spring Type
  1. A: 50-350 psi 50 items
  2. B: 350-750 psi 30 items
  3. C: 750-1500 psi 32 items
  4. D: 1500-2250 psi 18 items
  5. E: 2250-3000 psi 26 items
  6. F: 3000-4000 psi 24 items
  7. G: 4000-5000 psi 13 items
  8. H: 5000-6000 psi 12 items
Stem Designator
  1. V Stem 130 items
  2. Regulating Stem 138 items
  3. Soft Seat PCTFE Stem 34 items
  4. Non-Rotating Stem 31 items
Valve Pattern
  1. Straight 659 items
  2. Angled 144 items
  3. 3 Port 108 items
Stem Type
  1. 5° Stem Taper 19 items
  2. 1° Stem Taper 37 items
  3. 3° Stem Taper 42 items
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1854 items

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  1. H400ASSL1/43PSIOC H400ASSL1/43PSIOC
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    H400ASSL1/43PSIOC
    $101.49
    Standard, Adjustable Cracking Pressure Check Valve
    H400-A Series, SS Adjustable Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, Oxigen Clean, 3 PSI Cracking Pressure Learn More
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  2. H400ASSL1/43PSIKZ H400ASSL1/43PSIKZ
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    H400ASSL1/43PSIKZ
    $158.86
    Standard, Adjustable Cracking Pressure Check Valve
    H400-A Series, SS Adjustable Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, Perfluor O-Ring, 3 PSI Cracking Pressure Learn More
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  3. H400ASSL1/43PSI H400ASSL1/43PSI
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    H400ASSL1/43PSI
    $88.25
    Standard, Adjustable Cracking Pressure Check Valve
    H400-A Series, SS Adjustable 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
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  4. H400ASSL1/4350PSI H400ASSL1/4350PSI
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    H400ASSL1/4350PSI
    $88.25
    Standard, Adjustable Cracking Pressure Check Valve
    H400-A Series, SS Adjustable Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, 350 PSI Cracking Pressure Learn More
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  5. H400ASSL1/4150PSIEP H400ASSL1/4150PSIEP
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    H400ASSL1/4150PSIEP
    $92.67
    Standard, Adjustable Cracking Pressure Check Valve
    H400-A Series, SS Adjustable Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, EPDM O-Ring, 150 PSI Cracking Pressure Learn More
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  6. H400ASSL1/4150PSI H400ASSL1/4150PSI
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    H400ASSL1/4150PSI
    $88.25
    Standard, Adjustable Cracking Pressure Check Valve
    H400-A Series, SS Adjustable Check Valve, 1/4" Let-Lok Tube Fitting x 1/4" Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, 150 PSI Cracking Pressure Learn More
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  7. H480OPASSR1/250PSI H480OPASSR1/250PSI
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    H480OPASSR1/250PSI
    $156.21
    Compact, Adjustable Cracking Pressure Check Valve
    H400-OPA Series, SS Adjustable Check Valve, 1/2" Male BSPT Thread x 1/2" Male BSPT Thread, Fluorcarbon FKM O-Ring, 250 PSI Cracking Pressure Learn More
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  8. H480OPASSN1/250PSIOC H480OPASSN1/250PSIOC
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    H480OPASSN1/250PSIOC
    $179.64
    Compact, Adjustable Cracking Pressure Check Valve
    H400-OPA Series, SS Adjustable Check Valve, 1/2" Male NPT Thread x 1/2" Male NPT Thread, Fluorcarbon FKM O-Ring, Oxigen Clean, 250 PSI Cracking Pressure Learn More
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  9. H480OPASSN1/250PSIEP H480OPASSN1/250PSIEP
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    H480OPASSN1/250PSIEP
    $164.04
    Compact, Adjustable Cracking Pressure Check Valve
    H400-OPA Series, SS Adjustable Check Valve, 1/2" Male NPT Thread x 1/2" Male NPT Thread, EPDM O-Ring, 250 PSI Cracking Pressure Learn More
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  10. H480OPASSN1/250PSI H480OPASSN1/250PSI
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    H480OPASSN1/250PSI
    $156.21
    Compact, Adjustable Cracking Pressure Check Valve
    H400-OPA Series, SS Adjustable Check Valve, 1/2" Male NPT Thread x 1/2" Male NPT Thread, Fluorcarbon FKM O-Ring, 250 PSI Cracking Pressure Learn More
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  11. H480HPSSR1/250PSI H480HPSSR1/250PSI
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    H480HPSSR1/250PSI
    $141.63
    High Performance, Fixed Cracking Pressure Check Valve
    H400-HP Series, SS Check Valve, 1/2" Male BSPT Thread x 1/2" Male BSPT Thread, Fluorcarbon FKM O-Ring, 250 PSI Cracking Pressure Learn More
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  12. H410SSN1/250PSI H410SSN1/250PSI
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    H410SSN1/250PSI
    $139.57
    Standard, 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, 250 PSI Cracking Pressure Learn More
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  13. H410HPSSN1/250PSI H410HPSSN1/250PSI
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    H410HPSSN1/250PSI
    $126.16
    High Performance, Fixed Cracking Pressure Check Valve
    H400-HP Series, SS Check Valve, 1/2" Female NPT Thread x 1/2" Female NPT Thread, Fluorcarbon FKM O-Ring, 250 PSI Cracking Pressure Learn More
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  14. H400HPSSL1/250PSI H400HPSSL1/250PSI
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    H400HPSSL1/250PSI
    $137.19
    High Performance, Fixed Cracking Pressure Check Valve
    H400-HP Series, SS Check Valve, 1/2" Let-Lok Tube Fitting x 1/2" Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, 250 PSI Cracking Pressure Learn More
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1854 items

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