597,239
Double Check Products
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US $ 3.8-43.8 /
Piece
FOB
1 Piece (MOQ)
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Main Products: Pneumatic Cylinders,Pneumatic Valve,Air Source Treatment,Pneumatic Fittings,Pneumatic Hose,Actuator,Pneumatic Accessories
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Audited Supplier
Since 2011
Manufacturer/Factory & Trading Company
Zhejiang, China
Since 2011
US $ 9-95 /
Piece
FOB
100 Pieces (MOQ)
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Type : Cartridge Filter
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Audited Supplier
Since 2020
US $ 0.88-0.99 /
Piece
FOB
100 Pieces (MOQ)
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Main Products: Fittings, Valve, Underground Coal Mining Products, Staple-Lock Adaptor, Carbon Steel Fitiings Staple Lock Adaptor for Mi, Clip Fastener, Hydraulic Powered Roof Support Accessories
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Audited Supplier
Since 2025
US $ 0.88-0.99 /
Piece
FOB
100 Pieces (MOQ)
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Certification : ISO 9001:2000, ISO 9001:2008
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Audited Supplier
Since 2025
1 Piece (MOQ)
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Main Products: DTH, LHD, Drilling Jumbo, Dump Truck, Multifunction Machine, Spare Parts, Hydraulic Drifter
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Audited Supplier
Since 2025
Manufacturer/Factory & Trading Company
Chongqing, China
Since 2025
US $ 0.88-0.99 /
Piece
FOB
100 Pieces (MOQ)
More
Certification : ISO 9001:2000, ISO 9001:2008
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Audited Supplier
Since 2025
1 Piece (MOQ)
More
Main Products: DTH, LHD, Drilling Jumbo, Dump Truck, Multifunction Machine, Spare Parts, Hydraulic Drifter
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Audited Supplier
Since 2025
Manufacturer/Factory & Trading Company
Chongqing, China
Since 2025
US $ 0.88-0.99 /
Piece
FOB
100 Pieces (MOQ)
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Material : Stainless Steel
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Audited Supplier
Since 2025
1 Piece (MOQ)
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Main Products: X Ray Baggage Scanner, Under Vehicle Surveillance System, Walk Through Metal Detector, Explosive Trace Detector, Hand-Held Metal Detector, X Ray Inspection System, Baggage Screening Machine
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Audited Supplier
Since 2018
Manufacturer/Factory & Trading Company
Guangdong, China
Since 2018
US $ 0.88-0.99 /
Piece
FOB
100 Pieces (MOQ)
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Material : Stainless Steel
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Audited Supplier
Since 2025
1 Piece (MOQ)
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Main Products: X Ray Baggage Scanner, Under Vehicle Surveillance System, Walk Through Metal Detector, Explosive Trace Detector, Hand-Held Metal Detector, X Ray Inspection System, Baggage Screening Machine
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Audited Supplier
Since 2018
Manufacturer/Factory & Trading Company
Guangdong, China
Since 2018
US $ 0.88-0.99 /
Piece
FOB
100 Pieces (MOQ)
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Manufacturing Process : Forging
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Audited Supplier
Since 2025
US $ 83 /
Piece
FOB
50 Pieces (MOQ)
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Main Products: High Pressure Valve, Ball Valve, Pressure Regulator, Alloy Valve, Hastelloy Valve, Instrumentation Valves, Relief Valve, Pipe & Tube Fittings, Needle Valve, Hose & Tubing
Contact Supplier
Audited Supplier
Since 2022
Jiangsu, China
Since 2022
1 Piece (MOQ)
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Certification : ISO 9001:2000, ISO 9001:2008
Contact Supplier
Audited Supplier
Since 2025
Manufacturer/Factory & Trading Company
Chongqing, China
Since 2025
US $ 376-2,800 /
pcs
FOB
5 pcs (MOQ)
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Main Products: FM Valves, Gate Valve, High Performance Gate Valve, Gate Valve, Check Valve, Fire Hydrant, Welded Ball Valve, Flanged Ball Valve, Rubber Expansion Joint, Y-Strainer
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Audited Supplier
Since 2006
Manufacturer/Factory & Trading Company
Shandong, China
Since 2006
US $ 376-2,800 /
pcs
FOB
5 pcs (MOQ)
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Alarm Valve Diameter : 80mm
Contact Supplier
Audited Supplier
Since 2006
Manufacturer/Factory & Trading Company
Shandong, China
Since 2006
US $ 376-2,800 /
pcs
FOB
5 pcs (MOQ)
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Main Products: FM Valves, Gate Valve, High Performance Gate Valve, Gate Valve, Check Valve, Fire Hydrant, Welded Ball Valve, Flanged Ball Valve, Rubber Expansion Joint, Y-Strainer
Contact Supplier
Audited Supplier
Since 2006
Manufacturer/Factory & Trading Company
Shandong, China
Since 2006
US $ 376-2,800 /
pcs
FOB
5 pcs (MOQ)
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Sprinkler Head Type : Closed
Contact Supplier
Audited Supplier
Since 2006
Manufacturer/Factory & Trading Company
Shandong, China
Since 2006
US $ 376-2,800 /
pcs
FOB
5 pcs (MOQ)
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Main Products: FM Valves, Gate Valve, High Performance Gate Valve, Gate Valve, Check Valve, Fire Hydrant, Welded Ball Valve, Flanged Ball Valve, Rubber Expansion Joint, Y-Strainer
Contact Supplier
Audited Supplier
Since 2006
Manufacturer/Factory & Trading Company
Shandong, China
Since 2006
US $ 376-2,800 /
pcs
FOB
5 pcs (MOQ)
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Closed Fire Sprinkler System : Wet Fire Sprinkler System
Contact Supplier
Audited Supplier
Since 2006
Manufacturer/Factory & Trading Company
Shandong, China
Since 2006
US $ 20-168 /
Piece
FOB
1 Piece (MOQ)
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Main Products: Hydraulic Pump, Hydraulic Valve, Gear Pump, Hydraulic Parts of Excavator, Hydraulic Spare Parts, Hydraulic Motor, Electronically Controlled Hydraulic Valve, Vane Pump, Piston Pump, Rexroth Industrial Hydraulic Products
Contact Supplier
Audited Supplier
Since 2023
US $ 376-2,800 /
pcs
FOB
5 pcs (MOQ)
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Sprinkler Head Type : Closed
Contact Supplier
Audited Supplier
Since 2006
Manufacturer/Factory & Trading Company
Shandong, China
Since 2006
US $ 376-2,800 /
pcs
FOB
5 pcs (MOQ)
More
Main Products: FM Valves, Gate Valve, High Performance Gate Valve, Gate Valve, Check Valve, Fire Hydrant, Welded Ball Valve, Flanged Ball Valve, Rubber Expansion Joint, Y-Strainer
Contact Supplier
Audited Supplier
Since 2006
Manufacturer/Factory & Trading Company
Shandong, China
Since 2006
About Double Check FAQ
Q How can I identify a trustworthy supplier for check valves in China?
Our Double Check offers exceptional quality and style 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.
Q What are the benefits of purchasing check valves wholesale for industrial equipment?
The Double Check is classified under our comprehensive Check Valve range.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.
Q What are the common uses of check valves in industrial equipment?
The Double Check is an essential part of our Check Valve offerings.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.
US $ 376-2,800 /
pcs
FOB
5 pcs (MOQ)
More
Alarm Valve Diameter : 80mm
Contact Supplier
Audited Supplier
Since 2006
Manufacturer/Factory & Trading Company
Shandong, China
Since 2006
US $ 376-2,800 /
pcs
FOB
5 pcs (MOQ)
More
Main Products: FM Valves, Gate Valve, High Performance Gate Valve, Gate Valve, Check Valve, Fire Hydrant, Welded Ball Valve, Flanged Ball Valve, Rubber Expansion Joint, Y-Strainer
Contact Supplier
Audited Supplier
Since 2006
Manufacturer/Factory & Trading Company
Shandong, China
Since 2006
US $ 376-2,800 /
pcs
FOB
5 pcs (MOQ)
More
Sprinkler Head Type : Closed
Contact Supplier
Audited Supplier
Since 2006
Manufacturer/Factory & Trading Company
Shandong, China
Since 2006
1 Piece (MOQ)
More
Main Products: DTH, LHD, Drilling Jumbo, Dump Truck, Multifunction Machine, Spare Parts, Hydraulic Drifter
Contact Supplier
Audited Supplier
Since 2025
Manufacturer/Factory & Trading Company
Chongqing, China
Since 2025
1 Piece (MOQ)
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Surface Treatment : Polishing
Contact Supplier
Audited Supplier
Since 2025
Manufacturer/Factory & Trading Company
Chongqing, China
Since 2025
US $ 13-19.8 /
Piece
FOB
3 Pieces (MOQ)
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Main Products: backpack, laptop bag, laptop sleeve, Sports Bag, Briefcase, Diaper Bag, School Bag, Tactical Bag, Organizer, Waist Bag, Sling Bag,Tote Bag, Trolley Bag, Camera Bag
Contact Supplier
Audited Supplier
Since 2017
Manufacturer/Factory & Trading Company
Guangdong, China
Since 2017
US $ 376-2,800 /
pcs
FOB
5 pcs (MOQ)
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Nozzle Flow Coefficient : 80
Contact Supplier
Audited Supplier
Since 2006
Manufacturer/Factory & Trading Company
Shandong, China
Since 2006
US $ 3.8-16.8 /
Piece
FOB
1 Piece (MOQ)
More
Main Products: Pneumatic Cylinders,Pneumatic Valve,Air Source Treatment,Pneumatic Fittings,Pneumatic Hose,Actuator,Pneumatic Accessories
Contact Supplier
Audited Supplier
Since 2011
Manufacturer/Factory & Trading Company
Zhejiang, China
Since 2011
Manufacturer/Factory & Trading Company
Guangdong, China
Since 2018
US $ 100 /
Piece
FOB
1 Piece (MOQ)
More
Main Products: Oil and Gas Equipments, Industrial and Mineral Machinery, Engineer Equipments and Agricultural Machinery
Contact Supplier
Audited Supplier
Since 2018
Trading Company
Shandong, China
Since 2018
Manufacturer/Factory & Trading Company
Guangdong, China
Since 2018
US $ 2-2.3 /
Meter
FOB
5,000 Meters (MOQ)
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Main Products: TC Fabric, Poplin, Polyester Fabric, Fleece
Contact Supplier
Audited Supplier
Since 2022
Trading Company
Shanghai, China
Since 2022
US $ 0.3-0.8 /
Yard
FOB
50 Yards (MOQ)
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Usage : Garment, Home Textile, Garment
Contact Supplier
Audited Supplier
Since 2022
Trading Company
Shanghai, China
Since 2022