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  1. H400SSL10MM1/3PSILF H400SSL10MM1/3PSILF
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    H400SSL10MM1/3PSILF
    $152.17
    Standard, Fixed Cracking Pressure Check Valve
    H400 Series, SS Check Valve, 10mm Let-Lok Tube Fitting x 10mm Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, Lubricant Free, 1/3 PSI Cracking Pressure Learn More
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  2. H400SSL1/810PSIKZ H400SSL1/810PSIKZ
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    H400SSL1/810PSIKZ
    $121.92
    Standard, Fixed Cracking Pressure Check Valve
    H400 Series, SS Check Valve, 1/8" Let-Lok Tube Fitting x 1/8" Let-Lok Tube Fitting, Perfluor O-Ring, 10 PSI Cracking Pressure Learn More
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  3. H400SSL1/81/3PSIKZ H400SSL1/81/3PSIKZ
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    H400SSL1/81/3PSIKZ
    $121.92
    Standard, Fixed Cracking Pressure Check Valve
    H400 Series, SS Check Valve, 1/8" Let-Lok Tube Fitting x 1/8" Let-Lok Tube Fitting, Perfluor O-Ring, 1/3 PSI Cracking Pressure Learn More
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  4. H400SSL1/45PSILF H400SSL1/45PSILF
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    H400SSL1/45PSILF
    $74.85
    Standard, 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, Lubricant Free, 5 PSI Cracking Pressure Learn More
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  5. H400SSL1/45PSIKZ H400SSL1/45PSIKZ
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    H400SSL1/45PSIKZ
    $104.14
    Standard, 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, 5 PSI Cracking Pressure Learn More
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  6. H400SSL1/425PSIEP H400SSL1/425PSIEP
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    H400SSL1/425PSIEP
    $68.35
    Standard, 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, 25 PSI Cracking Pressure Learn More
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  7. H400SSL1/225PSI H400SSL1/225PSI
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    H400SSL1/225PSI
    $139.57
    Standard, Fixed Cracking Pressure Check Valve
    H400 Series, SS Check Valve, 1/2" Let-Lok Tube Fitting x 1/2" Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, 25 PSI Cracking Pressure Learn More
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  8. H400SSL1/21PSIPT H400SSL1/21PSIPT
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    H400SSL1/21PSIPT
    $153.52
    Standard, Fixed Cracking Pressure Check Valve
    H400 Series, SS Check Valve, 1/2" Let-Lok Tube Fitting x 1/2" Let-Lok Tube Fitting, PTFE O-Ring, 1 PSI Cracking Pressure Learn More
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  9. H400SSL1/21PSIKZ H400SSL1/21PSIKZ
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    H400SSL1/21PSIKZ
    $223.29
    Standard, Fixed Cracking Pressure Check Valve
    H400 Series, SS Check Valve, 1/2" Let-Lok Tube Fitting x 1/2" Let-Lok Tube Fitting, Perfluor O-Ring, 1 PSI Cracking Pressure Learn More
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  10. H400HPSSL8MM1PSIEP H400HPSSL8MM1PSIEP
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    H400HPSSL8MM1PSIEP
    $117.17
    High Performance, Fixed Cracking Pressure Check Valve
    H400-HP Series, SS Check Valve, 8mm Let-Lok Tube Fitting x 8mm Let-Lok Tube Fitting, EPDM O-Ring, 1 PSI Cracking Pressure Learn More
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  11. H400HPSSL3/45PSILF H400HPSSL3/45PSILF
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    H400HPSSL3/45PSILF
    $369.47
    High Performance, Fixed Cracking Pressure Check Valve
    H400-HP Series, SS Check Valve, 3/4" Let-Lok Tube Fitting x 3/4" Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, Lubricant Free, 5 PSI Cracking Pressure Learn More
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  12. H400HPSSL10MM1PSI H400HPSSL10MM1PSI
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    H400HPSSL10MM1PSI
    $111.62
    High Performance, Fixed Cracking Pressure Check Valve
    H400-HP Series, SS Check Valve, 10mm Let-Lok Tube Fitting x 10mm Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, 1 PSI Cracking Pressure Learn More
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  13. H400BL1/45PSI H400BL1/45PSI
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    H400BL1/45PSI
    $57.66
    Standard, Fixed Cracking Pressure Check Valve
    H400 Series, Brass 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
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  14. H400BL1/21/3PSI H400BL1/21/3PSI
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    H400BL1/21/3PSI
    $87.63
    Standard, Fixed Cracking Pressure Check Valve
    H400 Series, Brass Check Valve, 1/2" Let-Lok Tube Fitting x 1/2" Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, 1/3 PSI Cracking Pressure Learn More
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  15. H400ASSL8MM50PSI H400ASSL8MM50PSI
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    H400ASSL8MM50PSI
    $114.67
    Standard, Adjustable Cracking Pressure Check Valve
    H400-A Series, SS Adjustable Check Valve, 8mm Let-Lok Tube Fitting x 8mm Let-Lok Tube Fitting, Fluorcarbon FKM O-Ring, 50 PSI Cracking Pressure Learn More
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  16. H400ABL1/43PSI H400ABL1/43PSI
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    H400ABL1/43PSI
    $66.88
    Standard, Adjustable Cracking Pressure Check Valve
    H400-A Series, Brass 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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Body Material
  1. Stainless Steel 316 147 items
  2. Brass 51 items
  3. Alloy 400 7 items
  4. Alloy C-276 2 items
Fitting Type
  1. Bulkhead Union 15 items
  2. Reducer 37 items
  3. Union Connector 33 items
  4. Union Cross 6 items
  5. Union Elbow 8 items
  6. Union Tee 18 items
Tube Size
  1. 2mm 1 item
  2. 3mm 2 items
  3. 4mm 1 item
  4. 6mm 9 items
  5. 8mm 5 items
  6. 10mm 8 items
  7. 12mm 7 items
  8. 15mm 4 items
  9. 16mm 3 items
  10. 18mm 6 items
  11. 20mm 5 items
  12. 22mm 1 item
  13. 25mm 4 items
  14. 1/16" 8 items
  15. 1/8" 12 items
  16. 3/16" 7 items
  17. 1/4" 27 items
  18. 5/16" 6 items
  19. 7/8" 1 item
  20. 1/2" 20 items
  21. 5/8" 6 items
  22. 3/8" 30 items
  23. 3/4" 9 items
  24. 1" 2 items
  25. 1-1/4" 1 item
  26. 2" 1 item
Actuation Type
  1. Double Acting 3 items
Additional Features
  1. Factory Set 1 item
  2. Field Adjustable 2 items
Connection Size
  1. 6mm 12 items
  2. 8mm 9 items
  3. 10mm 9 items
  4. 12mm 11 items
  5. 18mm 1 item
  6. 25mm 2 items
  7. 1/16" 1 item
  8. 1/8" 10 items
  9. 1/4" 20 items
  10. 1/2" 13 items
  11. 3/8" 19 items
  12. 3/4" 3 items
  13. 1" 2 items
Cracking Pressure
  1. 1/3 PSI 4 items
  2. 1 PSI 7 items
  3. 3 PSI 1 item
  4. 5 PSI 5 items
  5. 10 PSI 4 items
  6. 25 PSI 3 items
  7. 50 PSI 1 item
Filtration Level
  1. None 7 items
  2. 140 microns 1 item
  3. 15 microns 1 item
  4. 2 microns 2 items
  5. 40 microns 1 item
  6. 60 microns 1 item
  7. 90 microns 2 items
Handle Type
  1. Metal Bar 6 items
  2. Round Handle 9 items
O-Ring Material
  1. EPDM 4 items
  2. Perfluor 9 items
  3. PTFE 3 items
  4. Fluorcarbon FKM 18 items
Seal Material
  1. EPDM 1 item
  2. Flourocarbon FKM 2 items
Seat Material
  1. PCTFE 3 items
  2. PTFE 3 items
  3. Modified PTFE 18 items
  4. PEEK 5 items
  5. PFA 10 items
Spring Type
  1. A: 50-350 psi 1 item
  2. E: 2250-3000 psi 1 item
Stem Designator
  1. V Stem 2 items
  2. Regulating Stem 5 items
  3. Soft Seat PCTFE Stem 5 items
  4. Non-Rotating Stem 5 items
Valve Pattern
  1. Straight 31 items
  2. Angled 14 items
  3. 3 Port 9 items
Stem Type
  1. 5° Stem Taper 2 items
  2. 1° Stem Taper 2 items
  3. 3° Stem Taper 2 items
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