In many applications, there is a need to limit the fluid flow to one direction. Check valves are the perfect solution for this need. Several versions are available, including Upchurch / IDEX standard check valves, non-metallic check valves, and even some specialized luer-based check valves. Check Valves are designed to effectively deliver a low cracking pressure. Most of the Upchurch / IDEX Check Valves connect directly to any 1/4-28 flat-bottom port. Upchurch / IDEX created this unique design to eliminate the need for additional tubing cuts and connections to install traditional check valves. They accept fittings with 1/32", 1/16", 1/8" or 1.0 to 3.0 mm OD tubing.
Upchurch Check Valves and Cartridges
Item Name | Product Image | Price |
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Upchurch Scientific Check Valve Inlet Assembly, 16 uL, 1/4-28 Flat-Bottom Male to 1/4-28 Flat-Bottom Female, 2000 psi - CV-3315Check Valve Inlet Assembly, 16 µL, 1/4-28 Flat-Bottom Male to 1/4-28 Flat-Bottom Female threads, 2000 psi 138 bar) PEEK, perfluoroelastomer (FFKM), gold-plated stainless steel, Single pack Product Number: CV-3315 Categories: Check... |
£140.45 |
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Upchurch Scientific Check Valve Inlet, 20 uL, 1/4-28 Flat-Bottom Male to 1/4-28 Flat-Bottom Female, 2000 psi - CV-3301Check Valve Inlet, 20 µL, 1/4-28 Flat-Bottom Male to 1/4-28 Flat-Bottom Female Threads, 2000 psi (138 bar) PEEK, / perfluoroelastomer / stainless steel, Single pack Product Number: CV-3301 Categories: Check Valves, Flow Regulating... |
£87.32 |
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Upchurch Scientific Check Valve Inline Assembly for 1/16 inch OD Tubing, 96 uL, 1/4-28 Flat-Bottom, 1000 psi - CV-3000Check Valve Inline Assembly for 1/16" OD Tubing, 96 µL, 1/4-28 Flat-Bottom, 1000 psi (69 bar), PEEK, perfluoroelastomer, gold-plated stainless steel, Single pack Includes: (1) CV-3001 Cartridge and (2) OD x P-215 Flangeless Fittings for... |
£127.88 |
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Upchurch Scientific Check Valve Inline Assembly for 1/8 inch OD Tubing, 100 uL, 1/4-28 Flat-Bottom, 1000 psi - CV-3010Check Valve Inline Assembly for 1/8" OD Tubing, 100 µL, 1/4-28 Flat-Bottom Threads, 3 psi (0.2 bar), 1000 psi (69 bar), PEEK, perfluoroelastomer (FFKM), gold-plated stainless steel, ethylene propylene (EPR), Single pack Includes (1)... |
£125.45 |
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Upchurch Scientific Check Valve Inline Assembly for 1/8 inch OD Tubing, Beckman Type, 1/4-28 Flat-Bottom, 1000 psi - CV-301Check Valve Inline Assembly for 1/8" OD Tubing, Beckman Type, 100 µL, 1/4-28 Flat-Bottom Threads, 3 psi (0.2 bar), 1000 psi (69 bar), PEEK, perfluoroelastomer (FFKM), gold-plated stainless steel, ethylene propylene (EPR), Single pack ... |
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Upchurch Scientific Check Valve Inline Cartridge Only, 91 uL, 1/4-28 Flat-Bottom Threads, 1000 psi - CV-3001Check Valve Inline Cartridge Only, 91 µL, 1/4-28 Flat-Bottom Threads, 1000 psi (69 bar), PEEK, perfluoroelastomer, gold-plated stainless steel, Single pack Product Number: CV-3001 Categories: Check Valves, Flow Regulating Valves, Inline... |
£168.97 |
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Upchurch Scientific Check Valve Inline Cartridge Only, 92 µL, 1/4-28 Flat-Bottom Threads, 1000 psi - CV-3011Check Valve Inline Cartridge Only, 92 µL, 1/4-28 Flat-Bottom Threads, 1000 psi (69 bar), PEEK, perfluoroelastomer, gold-plated stainless steel, Single pack Product Number: CV-3011 Categories: Check Valves, Flow Regulating Valves, Inline... |
£246.84 |
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Upchurch Scientific Check Valve Inline Without Fittings for 1/16 inch OD Tubing, 96 µL, 1/4-28 Flat-Bottom, 1000 psi - CV-3000NFCheck Valve Inline Without Fittings for 1/16" OD Tubing, 96 µL, 1/4-28 Flat-Bottom, 1000 psi (69 bar), PEEK, perfluoroelastomer, gold-plated stainless steel, Single pack Product Number: CV-3000NF Categories: Check Valves, Flow... |
£119.94 |
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Upchurch Scientific Non-Metallic Biocompatible Check Valve Inline, 34 uL, 1/4-28 Female to 10-32 Female Coned, 0.020 inch Thru-hole, 2000 psi - CV-3340Non-Metallic Biocompatible Check Valve Inline, 34 µL, 1/4-28 Female to 10-32 Female Coned thread, 2000 psi (138 bar), PEEK / Perfluoroelastomer, Single pack Product Number: CV-3340 Categories: Check Valves, Flow Regulating Valves, Non... |
£136.50 |
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Upchurch Scientific Non-Metallic Check Valve Inlet, 182 µL, 1/4-28 female to 1/4-28 male Flat-Bottom, 0.060 inch thru-hole, 2000 psi - CV-3324Non-Metallic Check Valve Inlet, 182 µL, 1/4-28 female to 1/4-28 male Flat-Bottom thread, 0.060" thru-hole, 2000 psi (138 bar), PEEK / Perfluoroelastomer, Single pack Product Number: CV-3324 Categories: Check Valves, Flow Regulating... |
£131.50 |
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Upchurch Scientific Non-Metallic Check Valve Inlet, 37 uL, 1/4-28 female to 1/4-28 male, 0.020 inch Thru-hole, 2000 psi, Single - CV-3320Non-Metallic Check Valve Inlet, 37 µL, 1/4-28 female to 1/4-28 male thread, 0.020" thru-hole, 2000 psi (138 bar), PEEK / Perfluoroelastomer, Single pack Product Number: CV-3320 Categories: Check Valves, Flow Regulating Valves, Non... |
£136.50 |
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Upchurch Scientific Non-Metallic Check Valve Inlet, 49 uL, 1/4-28 female to 1/4-28 male Flat-Bottom, 0.040 inch thru-hole, 2000 psi - CV-3322Non-Metallic Check Valve Inlet, 49 µL, 1/4-28 female to 1/4-28 male Flat-Bottom thread, 0.040" thru-hole, 2000 psi (138 bar), PEEK / Perfluoroelastomer, Single pack Product Number: CV-3322 Categories: Check Valves,... |
£148.53 |
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Upchurch Scientific Non-Metallic Check Valve Inlet, 49 uL, 1/4-28 female to 10-32 male Coned, 0.020 inch Thru-hole, 2000 psi, Single - CV-3335Non-Metallic Check Valve Inlet, 49 µL, 1/4-28 Coned female to 10-32 Coned male thread, 2000 psi (138 bar), PEEK / Perfluoroelastomer, Single pack Product Number: CV-3335 Categories: Check Valves, Flow Regulating Valves, Non Metallic... |
£144.32 |
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Upchurch Scientific Non-Metallic Check Valve Inline Outlet, 37 µL, 10-32 Male to 10-32 Female Coned threads, 0.020 inch thru-hole, 2000 psi - CV-3345Non-Metallic Check Valve Inline Outlet, 37 µL, 10-32 Coned Male to 10-32 Coned Female threads, 0.020" thru-hole, 2000 psi (138 bar), PEEK / Perfluoroelastomer, Single pack Product Number: CV-3345 Categories: Check Valves, Flow... |
£137.81 |
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Upchurch Scientific Non-Metallic Check Valve Inline, 34 uL, 1/4-28 Female to 1/4-28 Female Flat-Bottom, 0.020 inch Thru-hole, 2000 psi - CV-3330Non-Metallic Check Valve Inline, 34 µL, 1/4-28 Female to 1/4-28 Female Flat-Bottom Thread, 0.020" thru-hole, 2000 psi (138 bar), PEEK / Perfluoroelastomer, Single pack Product Number: CV-3330 Categories: Check Valves, Flow Regulating... |
£129.52 |
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Upchurch Scientific Non-Metallic Check Valve Outlet, 16 uL, 1/4-28 female to 1/4-28 male Flat-Bottom thread, 0.060 inch thru-hole, 2000 psi - CV-3316Non-Metallic Check Valve Outlet, 16 µL, 1/4-28 female to 1/4-28 male Flat-Bottom thread, 0.060" thru-hole, 2000 psi (138 bar), PEEK, perfluoroelastomer, gold-plated stainless steel, Single pack Product Number: CV-3316 Categories: Check... |
£140.45 |
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Upchurch Scientific Non-Metallic Check Valve Outlet, 182 µL, 1/4-28 female to 1/4-28 male Flat-Bottom, 0.060 inch thru-hole, 2000 psi - CV-3325Non-Metallic Check Valve Outlet, 182 µL, 1/4-28 female to 1/4-28 male Flat-Bottom thread, 0.060" thru-hole, 2000 psi (138 bar), PEEK / Perfluoroelastomer, Single pack Product Number: CV-3325 Categories: Check Valves, Flow Regulating... |
£131.41 |
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Upchurch Scientific Non-Metallic Check Valve Outlet, 20 µL, 1/4-28 female to 1/4-28 male Flat-Bottom thread, 2000 psi - CV-3302Non-Metallic Check Valve Outlet, 20 µL, 1/4-28 female to 1/4-28 male Flat-Bottom thread, 2000 psi (138 bar), PEEK / perfluoroelastomer / stainless steel, Single pack Product Number: CV-3302 Categories: Check Valves, Flow Regulating... |
£87.32 |
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Upchurch Scientific Non-Metallic Check Valve Outlet, 37 uL, 1/4-28 female to 1/4-28 male Flat-Bottom thread, 0.060 inch thru-hole, 2000 psi - CV-3321Non-Metallic Check Valve Outlet, 37 µL, 1/4-28 female to 1/4-28 male Flat-Bottom thread, 0.060" thru-hole, 2000 psi (138 bar), PEEK / Perfluoroelastomer, Single pack Product Number: CV-3321 Categories: Check Valves, Flow Regulating... |
£136.50 |
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Upchurch Scientific Non-Metallic Check Valve Outlet, 49 uL, 1/4-28 female to 1/4-28 male Flat-Bottom, 0.060 inch thru-hole, 2000 psi - CV-3323Non-Metallic Check Valve Outlet, 49 µL, 1/4-28 female to 1/4-28 male Flat-Bottom thread, 0.060" thru-hole, 2000 psi (138 bar), PEEK / Perfluoroelastomer, Single pack Product Number: CV-3323 Categories: Check Valves, Flow Regulating... |
£141.80 |