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Our non-return valves protect tubing and vacuum systems from backflow when pressure falls in the system. Sealing system eliminates backflow, helping to prevent upstream contamination or damage. These valves are compatible with a wide range of systems, all with different specific levels when dealing with the three main pressure values: cracking pressure, maximum pressure, and back pressure created. Durable steel or plastics are used in all designs, with spring loaded, creating a quality product that will remain independent for years with no need for replacement.

Our non-return valves protect tubing and vacuum systems from backflow when pressure falls in the system. Sealing system eliminates backflow, helping to prevent upstream contamination or damage. These valves are compatible with a wide range of systems, all with different specific levels when dealing with the three main pressure values: cracking pressure, maximum pressure, and back pressure created. Durable steel or plastics are used in all designs, with spring loaded, creating a quality product that will remain independent for years with no need for replacement.


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Product Image-554-3194

Upchurch Scientific®, P-782NF shut-off valve without fittings, blue ETFE, for 1/16" OD tubing, 0,5 mm thru-hole, 2,5 µl internal volume

Opis: Upchurch Scientific®, P-782NF shut-off valve without fittings, blue ETFE, for 1/16" OD tubing, 0,5 mm thru-hole, 2,5 µl internal volume
Katalógové číslo: 554-3194
Merná jednotka: 1 * 1 items
Dodávateľ: UPCHURCH SCIENTIFIC
Product Image-UPCHU-456

Upchurch Scientific®, U-456 pressure relief valve assembly, 100 psi (7 bar), 139 µl swept volume, for 1/16" OD tubing, PEEK

Opis: Upchurch Scientific®, U-456 pressure relief valve assembly, 100 psi (7 bar), 139 µl swept volume, for 1/16" OD tubing, PEEK
Katalógové číslo: UPCHU-456
Merná jednotka: 1 * 1 items
Dodávateľ: UPCHURCH SCIENTIFIC
Product Image-UPCHU-455

Upchurch Scientific®, U-455 pressure relief valve assembly, 5 psi (0,3 bar), 148 µl swept volume, for 1/16" OD tubing, PEEK

Opis: Upchurch Scientific®, U-455 pressure relief valve assembly, 5 psi (0,3 bar), 148 µl swept volume, for 1/16" OD tubing, PEEK
Katalógové číslo: UPCHU-455
Merná jednotka: 1 * 1 items
Dodávateľ: UPCHURCH SCIENTIFIC
Product Image-UPCHP-764

Upchurch Scientific®, P-764 replacement cartridge, tan body, white end-cap, 250 psi (17 bar), 95 µl swept volume

Opis: Upchurch Scientific®, P-764 replacement cartridge, tan body, white end-cap, 250 psi (17 bar), 95 µl swept volume
Katalógové číslo: UPCHP-764
Merná jednotka: 1 * 1 items
Dodávateľ: UPCHURCH SCIENTIFIC
Product Image-UPCHP-765

Upchurch Scientific®, P-765 replacement cartridge, tan body, green end-cap, 500 psi (34 bar), 89 µl swept volume

Opis: Upchurch Scientific®, P-765 replacement cartridge, tan body, green end-cap, 500 psi (34 bar), 89 µl swept volume
Katalógové číslo: UPCHP-765
Merná jednotka: 1 * 1 items
Dodávateľ: UPCHURCH SCIENTIFIC
Product Image-UPCHP-761

Upchurch Scientific®, P-761 replacement cartridge, tan body, blue end-cap, 40 psi (2,8 bar), 125 µl swept volume

Opis: Upchurch Scientific®, P-761 replacement cartridge, tan body, blue end-cap, 40 psi (2,8 bar), 125 µl swept volume
Katalógové číslo: UPCHP-761
Merná jednotka: 1 * 1 items
Dodávateľ: UPCHURCH SCIENTIFIC
Product Image-UPCHP-762

Upchurch Scientific®, P-762 replacement cartridge, tan body, yellow end-cap, 75 psi (5,2 bar), 125 µl swept volume

Opis: Upchurch Scientific®, P-762 replacement cartridge, tan body, yellow end-cap, 75 psi (5,2 bar), 125 µl swept volume
Katalógové číslo: UPCHP-762
Merná jednotka: 1 * 1 items
Dodávateľ: UPCHURCH SCIENTIFIC
Product Image-554-3197

Upchurch Scientific®, P-785 back pressure regulator assembly, 40 psi (2,8 bar), 131 µl swept volume, PEEK

Opis: Upchurch Scientific®, P-785 back pressure regulator assembly, 40 psi (2,8 bar), 131 µl swept volume, PEEK
Katalógové číslo: 554-3197
Merná jednotka: 1 * 1 items
Dodávateľ: UPCHURCH SCIENTIFIC
Product Image-UPCHP-796

Upchurch Scientific®, P-796 replacement cartridge, black body, green end-cap, 1000 psi (69 bar), 83 µl swept volume

Opis: Upchurch Scientific®, P-796 replacement cartridge, black body, green end-cap, 1000 psi (69 bar), 83 µl swept volume
Katalógové číslo: UPCHP-796
Merná jednotka: 1 * 1 items
Dodávateľ: UPCHURCH SCIENTIFIC
Product Image-554-3200

Upchurch Scientific®, P-791 back pressure regulator assembly, 20 psi (1,4 bar), 134 µl swept volume, PEEK

Opis: Upchurch Scientific®, P-791 back pressure regulator assembly, 20 psi (1,4 bar), 134 µl swept volume, PEEK
Katalógové číslo: 554-3200
Merná jednotka: 1 * 1 items
Dodávateľ: UPCHURCH SCIENTIFIC
Product Image-UPCHP-795

Upchurch Scientific®, P-795 replacement cartridge, black body, blue end-cap, 750 psi (52 bar), 87 µl swept volume

Opis: Upchurch Scientific®, P-795 replacement cartridge, black body, blue end-cap, 750 psi (52 bar), 87 µl swept volume
Katalógové číslo: UPCHP-795
Merná jednotka: 1 * 1 items
Dodávateľ: UPCHURCH SCIENTIFIC
Product Image-554-3198

Upchurch Scientific®, P-786 back pressure regulator assembly, 75 psi (5,2 bar), 131 µl swept volume, PEEK

Opis: Upchurch Scientific®, P-786 back pressure regulator assembly, 75 psi (5,2 bar), 131 µl swept volume, PEEK
Katalógové číslo: 554-3198
Merná jednotka: 1 * 1 items
Dodávateľ: UPCHURCH SCIENTIFIC
Product Image-554-3203

Upchurch Scientific®, P-880 high pressure adjustable back pressure regulator, 2000 - 5000 psi (138 - 345 bar), 9 µl swept volume

Opis: Upchurch Scientific®, P-880 high pressure adjustable back pressure regulator, 2000 - 5000 psi (138 - 345 bar), 9 µl swept volume
Katalógové číslo: 554-3203
Merná jednotka: 1 * 1 items
Dodávateľ: UPCHURCH SCIENTIFIC
Product Image-UPCHCV-3325

Upchurch Scientific®, CV-3325 outlet check valve, 1/4-28 flat-bottom, male to 1/4-28 flat-bottom, female, 1,60 mm thru-hole, 182 µl swept volume

Opis: Upchurch Scientific®, CV-3325 outlet check valve, 1/4-28 flat-bottom, male to 1/4-28 flat-bottom, female, 1,60 mm thru-hole, 182 µl swept volume
Katalógové číslo: UPCHCV-3325
Merná jednotka: 1 * 1 items
Dodávateľ: UPCHURCH SCIENTIFIC
Product Image-554-3062

Upchurch Scientific®, CV-3321 outlet check valve, 1/4-28 flat-bottom, male to 1/4-28 flat-bottom, female, 0,50 mm thru-hole, 37 µl swept volume

Opis: Upchurch Scientific®, CV-3321 outlet check valve, 1/4-28 flat-bottom, male to 1/4-28 flat-bottom, female, 0,50 mm thru-hole, 37 µl swept volume
Katalógové číslo: 554-3062
Merná jednotka: 1 * 1 items
Dodávateľ: UPCHURCH SCIENTIFIC
Product Image-554-3063

Upchurch Scientific®, CV-3330 inlet/outlet check valve, 1/4-28 flat-bottom, female to 1/4-28 flat-bottom, female, 0,50 mm thru-hole, 34 µl swept volume

Opis: Upchurch Scientific®, CV-3330 inlet/outlet check valve, 1/4-28 flat-bottom, female to 1/4-28 flat-bottom, female, 0,50 mm thru-hole, 34 µl swept volume
Katalógové číslo: 554-3063
Merná jednotka: 1 * 1 items
Dodávateľ: UPCHURCH SCIENTIFIC
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