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4501. China Factory Ductile Iron Reverse Flow Preventer Backflow Preventer Valve 
[Mar 30, 2025]
[Mar 30, 2025] Product Description NO Size DN L D D1 D2 R t Weight ...
Company: Dvk International Co., Ltd.
4502. Ductile Iron Reverse Flow Preventer Backflow Preventer Valve [Mar 30, 2025]
[Mar 30, 2025] Product Description NO Size DN L D D1 D2 R t Weight ...
Company: Dvk International Co., Ltd.
4503. H12W-16 Pn16 Stainless Steel 316 Body 2PC Spring Vertical for Dyeing Check Valve [May 10, 2024]
[May 10, 2024] H71W-16 Wafer lift check valve with spring for positioning SS316 for dyeing machine Pipeline engineering Features 1.vertical center line disc 2.Anti-Blow Out Stem 3.Bi-Directional 4.Fire safe Design 5.Low Friction ...
4504. Ss Stainless Steel Horizontal Swing Check Valve Screwed Fitting Good Price NPT BSPT SS304 [Oct 15, 2021]
[Oct 15, 2021] Ss stainless steel horizontal swing check valve screwed fitting good price NPT BSPT ss304 Features 1.vertical center line disc 2.Anti-Blow Out Stem 3.Bi-Directional 4.Fire safe Design 5.Low Friction Body ...
4505. HDPE Socket Welding PE Pipe Fittings Stop Valve for Water with CE Certificate [Jan 15, 2026]
[Jan 15, 2026] Product Parameters Basic Info. Technic Injection Moulding Material PE80 or PE100 Working pressure PN10,PN16 Size 20-25-32-40-50-63-75 Connection Socket Fusion Color Black or Customized Packaging Cartons ...
Company: CHANGZHOU XITA PLASTIC CO., LTD.
4506. Chinese Supplier Electric Plastic UPVC Wafer Plastic with Electric Actuator PVC Ball Core Check ... [Jan 15, 2026]
[Jan 15, 2026] PVC Ball Core Check Valve MATERIal: PVC CONNECOR: Socket Standard: ISO BS EN1452, ISO4422, GBT10002, DIN8063 Size: 20mm~110mm(1/2"~4") Our valves are 100% inspected before delivery to customers with100% virgin ...
Company: CHANGZHOU XITA PLASTIC CO., LTD.
4507. Hottest for Tank Truck Aluminum Alloy Pressure Relief Vent Vacuum Pressure Relief Vent [Oct 19, 2025]
[Oct 19, 2025] Product Description The pressure valve will automatically open when the pressure in the tank reaches to the set pressure of the high- relief valve and the gas in the tank will be released with the speed of 30m/s ...
4508. High Quality in China/Wholesale/CF8/Electric/Wellhead/PTFE/in Stock/ ... [Sep 18, 2025]
[Sep 18, 2025] Forged steel swing check valve refers to the valve that automatically opens and closes the disc depending on the flow of the medium itself to prevent the medium from flowing backwards, also known as check valve, one-way ...
Company: YOONAD VALVE (WUXI) CO., LTD.
4509. High-Performance 304 Stainless Steel Valve for Industrial Use [Jul 05, 2025]
[Jul 05, 2025] Product Description CHECK VALVE A check valve is a valve device that automatically controls the one-way flow of a fluid. Its core function is to allow the medium to pass through in one direction and prevent reverse ...
4510. Brass Water Pressure Reducing Valve High Quality [Jun 14, 2025]
[Jun 14, 2025] Introduction Check valve refers to a valve that relies on the flow of the medium itself to automatically open and close the valve disc to prevent the medium from flowing back. It is also called a check valve, one-way ...
4511. PVDF Diaphragm Valve, Plastic/PTFE/Weir Type/Flanged UPVC Pph [Mar 18, 2025]
[Mar 18, 2025] Diaphragm valve is a shut-off valve that uses a diaphragm as an opening and closing part to close the flow channel, cut off the fluid, and separate the inner cavity of the valve body from the inner cavity of the ...
4512. PVDF Diaphragm Valve, Plastic/PTFE/Weir Type/Flanged [Mar 13, 2025]
[Mar 13, 2025] Diaphragm valve is a shut-off valve that uses a diaphragm as an opening and closing part to close the flow channel, cut off the fluid, and separate the inner cavity of the valve body from the inner cavity of the ...
4513. Sanitary Stainless Steel Diaphragm Valve for Pharmacy [Mar 13, 2025]
[Mar 13, 2025] Diaphragm valve is a shut-off valve that uses a diaphragm as an opening and closing part to close the flow channel, cut off the fluid, and separate the inner cavity of the valve body from the inner cavity of the ...
4514. Sanitary Stainless Steel Diaphragm Valve for Pharmacy [Mar 13, 2025]
[Mar 13, 2025] Diaphragm valve is a shut-off valve that uses a diaphragm as an opening and closing part to close the flow channel, cut off the fluid, and separate the inner cavity of the valve body from the inner cavity of the ...
4515. 3A Clamped Diaphragm Manual Valve with Stainless Steel Handwheel [Mar 13, 2025]
[Mar 13, 2025] Diaphragm valve is a shut-off valve that uses a diaphragm as an opening and closing part to close the flow channel, cut off the fluid, and separate the inner cavity of the valve body from the inner cavity of the ...
