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Unidirection Check Valves

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ISO5752 Industrial Control Full EPDM Rubber Coated Lining Water Gas Duo Dual Plate Double Door Wafer Type Butterfly Check Valves From Tianjin Worlds Valve China

ISO5752 Industrial Control Full EPDM Rubber Coated Lining Water Gas Duo Dual Plate Double Door Wafer Type Butterfly Check Valves From Tianjin Worlds Valve China

US $ 10-200 / Piece FOB
1 Piece (MOQ)
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Tianjin Worlds Valve Co., Ltd.

Manufacturer/Factory & Trading Company

Tianjin, China Since 2010
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Nickel Plated Brass One-Way Valve with Female Thread Pneumatic Parts No Return Check Valves

Nickel Plated Brass One-Way Valve with Female Thread Pneumatic Parts No Return Check Valves

US $ 1.62-2.06 / Piece FOB
50 Pieces (MOQ)
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NINGBO INTELL PNEUMATIC TECHNOLOGY CO., LTD.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2021
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ASTM Hydraulic High Pressure Seal OEM/ODM Full Welded Power Plant Forged Steel Swing Check Valve

ASTM Hydraulic High Pressure Seal OEM/ODM Full Welded Power Plant Forged Steel Swing Check Valve

US $ 20-4,000 / Piece FOB
1 Piece (MOQ)
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YOONAD VALVE (WUXI) CO., LTD.

Jiangsu, China Since 2024
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Forged Steel High Pressure Check Valve

Forged Steel High Pressure Check Valve

US $ 1-100 / Piece FOB
100 Pieces (MOQ)
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Sisale Trading Co., Limited (Ningbo)

Zhejiang, China Since 2007
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1''~4'' Ductile Iron NPT Thread End Ball Check Valve

1''~4'' Ductile Iron NPT Thread End Ball Check Valve

US $ 0.88-0.99 / Piece FOB
1 Piece (MOQ)
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Zhejiang Yongkang Yongyuan Valve Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2016
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BS1868 API6d Casting Steel Swing Lift Type Flange Check Valve

BS1868 API6d Casting Steel Swing Lift Type Flange Check Valve

US $ 13-230 / Piece FOB
1 Piece (MOQ)
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Shanghai SANWEI Valve Manufacturing Co.,Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2025
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OEM China Factory 1000psi~5000psi Cast Steel NPT Ball Check Valve

OEM China Factory 1000psi~5000psi Cast Steel NPT Ball Check Valve

US $ 0.88-0.99 / Piece FOB
1 Piece (MOQ)
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Zhejiang Yongkang Yongyuan Valve Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2016
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User-Friendly Piston-Type Corrosion-Resistant Wafer Check Valve with a Spring Mechanism

User-Friendly Piston-Type Corrosion-Resistant Wafer Check Valve with a Spring Mechanism

US $ 10-100 / Piece FOB
1 Piece (MOQ)
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Tianjin Sunshine Valve Co., Ltd.

Manufacturer/Factory & Trading Company

Tianjin, China Since 2016
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Stainless Steel 304/316 H71W Wafer Body Seal Check Valve for Industrial Pipeline

Stainless Steel 304/316 H71W Wafer Body Seal Check Valve for Industrial Pipeline

US $ 3-220 / Piece FOB
1 Piece (MOQ)
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Guangdong Wanjun Valve Technology Co., Ltd

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
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API 6D Industrial Flange or Wafer Cast Iron or Forged Stainless Steel Ball or Swing Check Valve

API 6D Industrial Flange or Wafer Cast Iron or Forged Stainless Steel Ball or Swing Check Valve

US $ 48 / Piece FOB
1 Piece (MOQ)
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Vatac Valves Corp.

Manufacturer/Factory

Zhejiang, China Since 2009
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Hot Sale A105/SS304/SS316 High Pressure 500lb/800lb/1000lb Anti-Corrosion Friction Resistant Swing Check Valve

Hot Sale A105/SS304/SS316 High Pressure 500lb/800lb/1000lb Anti-Corrosion Friction Resistant Swing Check Valve

US $ 20-4,000 / Piece FOB
1 Piece (MOQ)
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YOONAD VALVE (WUXI) CO., LTD.

Jiangsu, China Since 2024
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H71W-16 SS304 5'' Metal Wafer Spring Check Valve for Dyeing Machine Pipeline Engineering

H71W-16 SS304 5'' Metal Wafer Spring Check Valve for Dyeing Machine Pipeline Engineering

US $ 33 / Piece FOB
1 Piece (MOQ)
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Wuxi Xinyi Automatic Machinery Factory

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2020
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Duplex Steel Swing Check Valve API623 Class3003 ASME B16.34class 150# JIS10K

Duplex Steel Swing Check Valve API623 Class3003 ASME B16.34class 150# JIS10K

US $ 25-2,500 / Piece FOB
10 Pieces (MOQ)
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Senli Valve Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2023
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High Quality Forged 1/2 Inch to 4 Inch Brass Vertical Lift Check Valve, Brass Spring Check Valve

High Quality Forged 1/2 Inch to 4 Inch Brass Vertical Lift Check Valve, Brass Spring Check Valve

US $ 1-1.98 / Piece FOB
500 Pieces (MOQ)
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Yuhuan Jingyilai Valve Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2023
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Orginal Factory Replacement of Check Valve 3/4 Inch

Orginal Factory Replacement of Check Valve 3/4 Inch

US $ 5-10 / Piece FOB
10 Pieces (MOQ)
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Ningbo Fuke Hydraulics Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
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Rubber Flap Swing Check Valve for Pump

Rubber Flap Swing Check Valve for Pump

US $ 49 / Piece FOB
2 Pieces (MOQ)
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Suzhou Walter Flow Control Equipment Co., Ltd.

Jiangsu, China Since 2014
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Flanged Silent Check Valve for Water Pump System

Flanged Silent Check Valve for Water Pump System

US $ 109 / Piece FOB
2 Pieces (MOQ)
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Suzhou Walter Flow Control Equipment Co., Ltd.

Jiangsu, China Since 2014
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Cast Steel Swing Pressure Seal High Temperature High Pressure Steam Check Valve with Acceptable Price

Cast Steel Swing Pressure Seal High Temperature High Pressure Steam Check Valve with Acceptable Price

US $ 680-5,000 / Set FOB
1 Set (MOQ)
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JITAI VALVE GROUP CO., LTD.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2021
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Brass Spring Check Valve - 3600 (Brass core, heavy type, the inner core plate open more, PN20) - Ayron Brand

Brass Spring Check Valve - 3600 (Brass core, heavy type, the inner core plate open more, PN20) - Ayron Brand

US $ 1-100 / Piece FOB
1 Piece (MOQ)
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Yuhuan Jinlai Brass Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2009
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Forged Steel Swing Check Valve, Piston Check Valve for Flow Control

Forged Steel Swing Check Valve, Piston Check Valve for Flow Control

US $ 1-5,000 / Piece FOB
1 Piece (MOQ)
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VALPRO MC.,LTD.

Trading Company

Zhejiang, China Since 2024
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Brass Swing Check Valve - 3900 (Heavy type, big bore, the swing disc more open, PN16) - Ayron Brand

Brass Swing Check Valve - 3900 (Heavy type, big bore, the swing disc more open, PN16) - Ayron Brand

US $ 1-50 / Piece FOB
1 Piece (MOQ)
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Yuhuan Jinlai Brass Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2009
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Built-in Double-Disc Wafer Swing Check Valve

Built-in Double-Disc Wafer Swing Check Valve

US $ 15-150 / Piece FOB
5 Pieces (MOQ)
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Zhejiang Naibang Valve Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2011
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Premium Ductile Iron Silent Check Valve with Flange Connections for Drinking and Irrigation Water; Certified Gate Valve, Swing, Knife;

Premium Ductile Iron Silent Check Valve with Flange Connections for Drinking and Irrigation Water; Certified Gate Valve, Swing, Knife;

US $ 5-300 / Piece FOB
2 Pieces (MOQ)
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Qingdao Huaguan Valve Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2019
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About Unidirection Check Valves FAQ

  • QWhat are the benefits of purchasing check valves wholesale for industrial equipment?

    The Unidirection Check Valves is a standout piece in our Check Valve collection.Buying check valves wholesale allows for cost savings, bulk pricing benefits, and streamlined procurement processes. You can also enjoy customization options, technical support, and timely delivery from a reputable supplier in China.

  • QWhat are the common uses of check valves in industrial equipment?

    The Unidirection Check Valves is a top choice in our Check Valve collection.Check valves are vital components used to prevent backflow in pipelines and ensure one-way flow of liquids or gases. They are commonly found in industries such as oil & gas, water treatment, and manufacturing processes.

  • QHow can I identify a trustworthy supplier for check valves in China?

    Our Unidirection Check Valves offers exceptional quality within the Check Valve category.When searching for a reliable check valve supplier in China, look for certifications, years of experience, and customer reviews. Request samples, check their compliance with industry standards, and ensure they offer quality assurance processes.

High-Performance API Non-Return Valve Swing Check Valve with Flange End Design

High-Performance API Non-Return Valve Swing Check Valve with Flange End Design

US $ 55-2,900 / Piece FOB
1 Piece (MOQ)
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Zhejiang Jieyu Valve Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2014
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Stainless Steel Threaded One Way/Check Valve

Stainless Steel Threaded One Way/Check Valve

US $ 2.7-13.6 / Piece FOB
1 Piece (MOQ)
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Wenzhou Fuchuang valve Technology Co.,Ltd

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2017
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Tilting Disc Wafer Type Non Return Check Valve Stainless Steel 304/316

Tilting Disc Wafer Type Non Return Check Valve Stainless Steel 304/316

US $ 7-310 / Piece FOB
5 Pieces (MOQ)
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Zhejiang Naibang Valve Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2011
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DIN F6 DN100 EPDM Rubber Flap Check Valve Non Return Check Valve Flanged Btval

DIN F6 DN100 EPDM Rubber Flap Check Valve Non Return Check Valve Flanged Btval

US $ 38.85-42.85 / Piece FOB
1 Piece (MOQ)
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Botou Valve Manufacturing Industry Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2020
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High Quality 6" Gray Socket End Industrial PVC Swing Check Valve ANSI JIS DIN UPVC 6 Inch Water Check Valve Plastic Non Return (NRV) Swing Check Valve

High Quality 6" Gray Socket End Industrial PVC Swing Check Valve ANSI JIS DIN UPVC 6 Inch Water Check Valve Plastic Non Return (NRV) Swing Check Valve

US $ 1.29 / Piece FOB
1 Piece (MOQ)
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Tianjin Runke Plastic Tech Co., Ltd.

Manufacturer/Factory & Trading Company

Tianjin, China Since 2010
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ASME Standard Made in China Stainless Steel with Dual Plate and Wafer Check Valve

ASME Standard Made in China Stainless Steel with Dual Plate and Wafer Check Valve

US $ 18-88 / Piece FOB
1 Piece (MOQ)
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Tianjin Binhai New District Tanggu Teda Valve Factory

Manufacturer/Factory & Trading Company

Tianjin, China Since 2024
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Non Return Cw617n 15mm Swing Forging Brass Spring Check Valve

Non Return Cw617n 15mm Swing Forging Brass Spring Check Valve

US $ 0.8-1.82 / Piece FOB
2,000 Pieces (MOQ)
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Zhejiang Italy Copper Industry Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2011
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Oil/Gas Pipeline 304 Stainless Steel High-Pressure Anti-Backflow Flange Swing Check Valve

Oil/Gas Pipeline 304 Stainless Steel High-Pressure Anti-Backflow Flange Swing Check Valve

US $ 24-274 / Piece FOB
10 Pieces (MOQ)
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Guangdong Wanjun Valve Technology Co., Ltd

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
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Brass Swing Check Valve - 3800 (Light type, standard bore, PN16) - Ayron Brand

Brass Swing Check Valve - 3800 (Light type, standard bore, PN16) - Ayron Brand

US $ 1-50 / Piece FOB
1 Piece (MOQ)
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Yuhuan Jinlai Brass Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2009
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Factory Supplier Water Use Forged Brass Non Return Swing Horizontal Check Valve with Female Thread

Factory Supplier Water Use Forged Brass Non Return Swing Horizontal Check Valve with Female Thread

US $ 1-1.98 / Piece FOB
500 Pieces (MOQ)
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Yuhuan Jingyilai Valve Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2023
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Durable Swing Check Valve for Efficient Fluid Control Solutions; Awwa C515, Knife Gate Valve

Durable Swing Check Valve for Efficient Fluid Control Solutions; Awwa C515, Knife Gate Valve

US $ 20-2,000 / Piece FOB
2 Pieces (MOQ)
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Qingdao Huaguan Valve Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2019
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ODM Ductile Iron/CF8m/Wcb/SS304/SS316/Bronze/Brass/Cast Iron Handwheel/Gearbox/Electric Actuator Operated Control/Ball/Globe/Gate/Butterfly/Check Valve

ODM Ductile Iron/CF8m/Wcb/SS304/SS316/Bronze/Brass/Cast Iron Handwheel/Gearbox/Electric Actuator Operated Control/Ball/Globe/Gate/Butterfly/Check Valve

US $ 50-5,000 / Piece FOB
20 Pieces (MOQ)
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Dvk International Co., Ltd.

Trading Company

Jiangsu, China Since 2022
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BS1868/API6d Non Return One Way Bolted Bonnet Flange Swing Check Valve

BS1868/API6d Non Return One Way Bolted Bonnet Flange Swing Check Valve

US $ 32-36 / Piece FOB
1 Piece (MOQ)
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Zhejiang J-Valves Fluid Equipment Co., Ltd.

Zhejiang, China Since 2019
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