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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. H900SSL1/4SLEP30PSI H900SSL1/4SLEP30PSI
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    H900SSL1/4SLEP30PSI
    $310.22
    H900 Relief Valves - Low Pressure
    H900 Series, SS Relief Valve, Let-Lok 1/4" x 1/4" Let-Lok, EPDM Seal material, Calibrated to 30 psi Learn More
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  2. H900SSL1/4SLEP140PS H900SSL1/4SLEP140PS
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    H900SSL1/4SLEP140PS
    $310.22
    H900 Relief Valves - Low Pressure
    H900 Series, SS Relief Valve, Let-Lok 1/4" x 1/4" Let-Lok, EPDM Seal material, Calibrated to 140 psi Learn More
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  3. H900SSL1/4SLEP H900SSL1/4SLEP
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    H900SSL1/4SLEP
    $269.35
    H900 Relief Valves - Low Pressure
    H900 Series, SS Relief Valve, Let-Lok 1/4" x 1/4" Let-Lok, EPDM Seal material Learn More
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  4. H900SSL1/4SLCE H900SSL1/4SLCE
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    H900SSL1/4SLCE
    $297.39
    H900 Relief Valves - Low Pressure
    H900 Series, SS Relief Valve, Let-Lok 1/4" x 1/4" Let-Lok, Flourocarbon FKM Seal material, Certification PED 97/23/EC Learn More
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  5. H900SSL1/4SLBU H900SSL1/4SLBU
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    H900SSL1/4SLBU
    $269.35
    H900 Relief Valves - Low Pressure
    H900 Series, SS Relief Valve, Let-Lok 1/4" x 1/4" Let-Lok, Buna N Seal material Learn More
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  6. H900SSL1/4SL90PSIOC H900SSL1/4SL90PSIOC
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    H900SSL1/4SL90PSIOC
    $335.87
    H900 Relief Valves - Low Pressure
    H900 Series, SS Relief Valve, Let-Lok 1/4" x 1/4" Let-Lok, Flourocarbon FKM Seal material, Oxygen Clean, Calibrated to 90 psi Learn More
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  7. H900SSL1/4SL80PSI H900SSL1/4SL80PSI
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    H900SSL1/4SL80PSI
    $297.39
    H900 Relief Valves - Low Pressure
    H900 Series, SS Relief Valve, Let-Lok 1/4" x 1/4" Let-Lok, Flourocarbon FKM Seal material, Calibrated to 80 psi Learn More
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  8. H900SSL1/4SL7PSI H900SSL1/4SL7PSI
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    H900SSL1/4SL7PSI
    $297.39
    H900 Relief Valves - Low Pressure
    H900 Series, SS Relief Valve, Let-Lok 1/4" x 1/4" Let-Lok, Flourocarbon FKM Seal material, Calibrated to 7 psi Learn More
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  9. H900SSL1/4SL50PSI H900SSL1/4SL50PSI
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    H900SSL1/4SL50PSI
    $297.39
    H900 Relief Valves - Low Pressure
    H900 Series, SS Relief Valve, Let-Lok 1/4" x 1/4" Let-Lok, Flourocarbon FKM Seal material, Calibrated to 50 psi Learn More
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  10. H900SSL1/4SL45PSICE H900SSL1/4SL45PSICE
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    H900SSL1/4SL45PSICE
    $338.26
    H900 Relief Valves - Low Pressure
    H900 Series, SS Relief Valve, Let-Lok 1/4" x 1/4" Let-Lok, Flourocarbon FKM Seal material, Certification PED 97/23/EC, Calibrated to 45 psi Learn More
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  11. H900SSL1/4SL45PSI H900SSL1/4SL45PSI
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    H900SSL1/4SL45PSI
    $297.39
    H900 Relief Valves - Low Pressure
    H900 Series, SS Relief Valve, Let-Lok 1/4" x 1/4" Let-Lok, Flourocarbon FKM Seal material, Calibrated to 45 psi Learn More
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  12. H900SSL1/4SL44PSICE H900SSL1/4SL44PSICE
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    H900SSL1/4SL44PSICE
    $338.26
    H900 Relief Valves - Low Pressure
    H900 Series, SS Relief Valve, Let-Lok 1/4" x 1/4" Let-Lok, Flourocarbon FKM Seal material, Certification PED 97/23/EC, Calibrated to 44 psi Learn More
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  13. H900SSL1/4SL35PSI H900SSL1/4SL35PSI
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    H900SSL1/4SL35PSI
    $297.39
    H900 Relief Valves - Low Pressure
    H900 Series, SS Relief Valve, Let-Lok 1/4" x 1/4" Let-Lok, Flourocarbon FKM Seal material, Calibrated to 35 psi Learn More
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  14. H900SSL1/4SL30PSI H900SSL1/4SL30PSI
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    H900SSL1/4SL30PSI
    $297.39
    H900 Relief Valves - Low Pressure
    H900 Series, SS Relief Valve, Let-Lok 1/4" x 1/4" Let-Lok, Flourocarbon FKM Seal material, Calibrated to 30 psi Learn More
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  15. H900SSL1/4SL29PSI H900SSL1/4SL29PSI
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    H900SSL1/4SL29PSI
    $297.39
    H900 Relief Valves - Low Pressure
    H900 Series, SS Relief Valve, Let-Lok 1/4" x 1/4" Let-Lok, Flourocarbon FKM Seal material, Calibrated to 29 psi Learn More
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  16. H900SSL1/4SL230PSI H900SSL1/4SL230PSI
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    H900SSL1/4SL230PSI
    $297.39
    H900 Relief Valves - Low Pressure
    H900 Series, SS Relief Valve, Let-Lok 1/4" x 1/4" Let-Lok, Flourocarbon FKM Seal material, Calibrated to 230 psi Learn More
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1854 items

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