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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-REST26403

Side vent valve for HPLC, 1/16" fittings, 1/4 - 28, stainless steel, includes nuts and ferrules

Beskrivelse: Side vent valve for HPLC, 1/16" fittings, 1/4<sub> </sub>- 28, stainless steel, includes nuts and ferrules
Varenummer: REST26403
UOM: 1 * 1 Items
Leverandør: Restek
Product Image-REST26427

Outlet check valve for LC-20AD/AB XR

Beskrivelse: Outlet check valve for LC-20AD/AB XR
Varenummer: REST26427
UOM: 1 * 1 Items
Leverandør: Restek
Product Image-REST26404

Dual-stem three-way valve for HPLC, 1/16" fittings, 1/4 - 28, stainless steel, includes nuts and ferrules

Beskrivelse: Dual-stem three-way valve for HPLC, 1/16" fittings, 1/4<sub> </sub>- 28, stainless steel, includes nuts and ferrules
Varenummer: REST26404
UOM: 1 * 1 Items
Leverandør: Restek
Product Image-REST26407

Prime/purge valve repair kit for prime/purge valve, includes 2 soft seal, 2 PTFE O-ring, 7/32 hex key

Beskrivelse: Prime/purge valve repair kit for prime/purge valve, includes 2 soft seal, 2 PTFE O-ring, 7/32 hex key
Varenummer: REST26407
UOM: 1 * 1 Items
Leverandør: Restek
Product Image-REST26400

Through valve for HPLC, 1/16" fittings, 1/4 - 28, stainless steel, includes nuts and ferrules

Beskrivelse: Through valve for HPLC, 1/16" fittings, 1/4<sub> </sub>- 28, stainless steel, includes nuts and ferrules
Varenummer: REST26400
UOM: 1 * 1 Items
Leverandør: Restek
Product Image-REST25289

Outlet check valve rebuild kit for LC-6A and LC-10AS, includes 2× ruby ball, 2× seat, 2× thin washer, 2× thick washer and 2× retainer washer

Beskrivelse: Outlet check valve rebuild kit for LC-6A and LC-10AS, includes 2× ruby ball, 2× seat, 2× thin washer, 2× thick washer and 2× retainer washer
Varenummer: REST25289
UOM: 1 * 2 Items
Leverandør: Restek
Product Image-REST25287

Inlet check valve for LC-6A and LC-10AS

Beskrivelse: Inlet check valve for LC-6A and LC-10AS
Varenummer: REST25287
UOM: 1 * 1 Items
Leverandør: Restek
Product Image-REST25288

Outlet check valve for LC-6, LC-10AS and LC-8A

Beskrivelse: Outlet check valve for LC-6, LC-10AS and LC-8A
Varenummer: REST25288
UOM: 1 * 1 Items
Leverandør: Restek
Product Image-REST25282

Outlet check valve for LC-600, LC-9A, LC-10AD and LC-10AT

Beskrivelse: Outlet check valve for LC-600, LC-9A, LC-10AD and LC-10AT
Varenummer: REST25282
UOM: 1 * 1 Items
Leverandør: Restek
Product Image-271-5140

Air valve anti-return, cone size 14/23 NS, without sidearm, Borosilikatglas 3,3

Beskrivelse: Air valve anti-return, cone size 14/23 NS, without sidearm, Borosilikatglas 3,3
Varenummer: 271-5140
UOM: 1 * 1 Items
Leverandør: QVF LABORTECHNIK
Product Image-271-5141

Air valve anti-return, cone size 14/23 NS, with sidearm, Borosilikatglas 3,3

Beskrivelse: Air valve anti-return, cone size 14/23 NS, with sidearm, Borosilikatglas 3,3
Varenummer: 271-5141
UOM: 1 * 1 Items
Leverandør: QVF LABORTECHNIK
Product Image-271-5144

Air valve anti-return, cone size 19/26 NS, without sidearm, Borosilikatglas 3,3

Beskrivelse: Air valve anti-return, cone size 19/26 NS, without sidearm, Borosilikatglas 3,3
Varenummer: 271-5144
UOM: 1 * 1 Items
Leverandør: QVF LABORTECHNIK
Product Image-271-5143

Air valve anti-return, cone size 29/32 NS, with sidearm, Borosilikatglas 3,3

Beskrivelse: Air valve anti-return, cone size 29/32 NS, with sidearm, Borosilikatglas 3,3
Varenummer: 271-5143
UOM: 1 * 1 Items
Leverandør: QVF LABORTECHNIK
Product Image-271-5145

Air valve anti-return, cone size 19/26 NS, with sidearm, Borosilikatglas 3,3

Beskrivelse: Air valve anti-return, cone size 19/26 NS, with sidearm, Borosilikatglas 3,3
Varenummer: 271-5145
UOM: 1 * 1 Items
Leverandør: QVF LABORTECHNIK
Product Image-271-5142

Air valve anti-return, cone size 29/32 NS, without sidearm, Borosilikatglas 3,3

Beskrivelse: Air valve anti-return, cone size 29/32 NS, without sidearm, Borosilikatglas 3,3
Varenummer: 271-5142
UOM: 1 * 1 Items
Leverandør: QVF LABORTECHNIK
Product Image-REST25163

Outlet cartridges, ceramic ball and seat

Beskrivelse: Outlet cartridges, ceramic ball and seat
Varenummer: REST25163
UOM: 1 * 1 Items
Leverandør: Restek
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