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backflow valves
700+ factories verified
Tianjin Sunshine Valve Co., Ltd.
20 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Versatile Self-Cleaning Noise-Reducing Wafer Check Valve for Preventing Backflow
US$
10.00
-
100.00
1 Piece
(MOQ)
User-Friendly Anti-Vibration Backflow-Preventing Non-Return Valve with a Threaded Connection
US$
10.00
-
100.00
1 Piece
(MOQ)
High-Temperature Anti-Vibration Backflow-Preventing Silent Check Valve with a Threaded Connection
US$
10.00
-
100.00
1 Piece
(MOQ)
Premium-Quality Self-Cleaning Backflow-Preventing Check Valve for Preventing Backflow
US$
10.00
-
100.00
1 Piece
(MOQ)
1/4
Nanjing Zhongxun Pipeline Equipment Co., Ltd
Send Inquiry
Wholesale Customizable Anti-Backflow Water Check Valve for Efficient Flow Control
US$
50.00
-
5,000.00
10 Pieces
(MOQ)
Silent Rubber Double Check Valve for Backflow Prevention
US$
10.00
-
50.00
1 Piece
(MOQ)
High-Quality Soft-Seal Rubber Swing Check Valve for Backflow Protection
US$
10.00
-
50.00
1 Piece
(MOQ)
Customizable Low Resistance Water Check Valve for Backflow Prevention
US$
10.00
-
50.00
1 Piece
(MOQ)
1/4
Xiamen Flying Silicone Rubber Co., Ltd.
Send Inquiry
Insect Resistant and Anti- Odor Backflow Prevention Silicone Duckbill Valves
US$
0.498
-
0.554
2,000 Pieces
(MOQ)
Duckbill Valve - Check Valve for Backflow Prevention
US$
0.01
-
0.09
500 Pieces
(MOQ)
Pest Control Backflow Prevention Rubber Floor Drain Duckbill Check Valves
US$
0.498
-
0.554
2,000 Pieces
(MOQ)
Backflow Preventer One Way Valve for Kitchen Drain Filter Bathroom
US$
0.49
-
0.55
2,000 Pieces
(MOQ)
1/4
ZHEJIANG MENCROWN VALVE CO., LTD.
28 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Wafer Type Anti-Backflow Dual Plate Wafer Non Return Check Valve (H76X)
US$
15.00
-
200.00
1 Piece
(MOQ)
Anti-Backflow Non Slam One Way Muffler Non Return Venturi Check Valve (H41X)
US$
20.00
-
200.00
1 Piece
(MOQ)
Anti-Backflow Venturi Nozzle Axial Flow Non Return Check Valve
US$
15.00
-
300.00
1 Piece
(MOQ)
Backflow Preventor Anti-Pollution Antifouling Cut off Block Valve (HS42X)
US$
11.00
-
300.00
1 Piece
(MOQ)
1/4
Hunan Wofly Technology Co., Limited
4 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Prevent Fluid Backflow O-Ring Seal Spring Loaded Check Valve 3000psi
US$
14.00
-
22.00
1 Piece
(MOQ)
1 Year Warranty Prevent Fluid Backflow 3000psi Mini One Way Valve
US$
24.00
1 Piece
(MOQ)
Prevent Fluid Backflow Afklok Port Size 1/8"~3/4" Check Valve 20MPa
US$
14.00
-
22.00
1 Piece
(MOQ)
Afklok Spring Loaded Check Valve to Stop Fluid Backflow Effectively
US$
16.00
-
22.00
1 Piece
(MOQ)
1/4
Cangzhou Hanyuan Pipeline Manufacturing Co., Ltd.
10 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Hanyuan Check Valve DN50 for Reliable Backflow Prevention
US$
5.00
-
100.00
1 Piece
(MOQ)
Hanyuan Check Valve for Reliable Fluid Backflow Prevention
US$
5.00
-
100.00
1 Piece
(MOQ)
Hanyuan Check Valve DN50 for Effective Backflow Prevention
US$
5.00
-
100.00
1 Piece
(MOQ)
Hanyuan DN50 Check Valve with Reliable Backflow Prevention
US$
5.00
-
100.00
1 Piece
(MOQ)
1/4
Guangxi Dexiang Electromechanical Equipment Co., Ltd
Manufacturer/Factory & Trading Company
Send Inquiry
High-Quality Swing Check Valve for Reliable Backflow Control
US$
90.00
-
790.00
1 Piece
(MOQ)
DN300 Pn16 Wafer Type Single Plate Swing Check Valve for Backflow Prevention
US$
25.00
-
3,669.00
10 Pieces
(MOQ)
Wcb Stainless Steel Flanged Non-Return Swing Check Valve for High Pressure Anti-Backflow
US$
86.00
-
5,500.00
10 Pieces
(MOQ)
Durable One Way Water Control Swing Check Valve for Backflow Prevention
US$
10.00
-
5,500.00
1 Piece
(MOQ)
1/4
Kaiping Zhenbochuan Sanitary Ware Industrial Co., Ltd.
5.0
Send Inquiry
Anti-Backflow Spring Check Screw-Free Effluent Position Spray Valve
US$
19.90
-
20.50
50 Pieces
(MOQ)
Brass Cartridge Spring Check Anti-Backflow Kitchen Sink Spray Valve
US$
19.90
-
20.50
50 Pieces
(MOQ)
Anti-Backflow Spring Check Valve Kitchen Faucet Replacement Spray Valve
US$
19.90
-
20.50
50 Pieces
(MOQ)
Brass Compression Cartridge Spring Check Valve Anti-Backflow Spray Valve
US$
19.90
-
20.50
50 Pieces
(MOQ)
1/4
Donjoy Technology Co., Ltd.
25 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
3A Hygienic Weld End Check Valve Prevent Backflow
US$
25.00
-
125.00
1 Piece
(MOQ)
Stainless Steel Sanitary Check Valve Prevent Backflow
US$
25.00
-
125.00
1 Piece
(MOQ)
Prevent Backflow Sanitary Check Valve Clamp Type
US$
25.00
-
125.00
1 Piece
(MOQ)
3A Ce Sanitary Check Valve Prevent Backflow
US$
25.00
-
125.00
1 Piece
(MOQ)
1/4
GAOMING LIGANG PRECISION CASTING CO., LTD
Send Inquiry
Heavy-Duty Carbon Steel Backflow Prevention Valve for Durability
US$
3.00
-
10.00
100 Pieces
(MOQ)
Premium Carbon Steel Backflow Prevention Valve - Trusted China Manufacturer
US$
3.00
-
10.00
100 Pieces
(MOQ)
Best Choice No Rust Stainless Steel Valve for Prevent Backflow
US$
3.00
-
10.00
100 Pieces
(MOQ)
High-Quality Stainless Steel Backflow Prevention Valve for Industrial Use
US$
3.00
-
10.00
100 Pieces
(MOQ)
1/4
Gaote Holdings Group Co., Ltd.
16 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Gtf 300X Ss Slow-Closing Check Valve|DN50 Pn16 ISO 9001 Cert Pump Outlet/Building Water Backflow Prev
US$
369.00
5 Pieces
(MOQ)
H84X Fire-Spec Grooved Rubber Flap Check Valve|DN200 Zero-Leak EPDM-Seal ISO/GB 5135 Cert Backflow Prev Quick-Inst
US$
159.00
5 Pieces
(MOQ)
Gtf 300X Ss Slow-Closing Check Valve|DN100 Pn16 ISO 9001 Cert Pump Outlet/Building Water Backflow Prev
US$
469.00
5 Pieces
(MOQ)
H84X Fire-Spec Grooved Rubber Flap Check Valve|DN65 Zero-Leak EPDM-Seal ISO/GB 5135 Cert Backflow Prev Quick-Inst
US$
79.00
5 Pieces
(MOQ)
1/4
Hongxing Manufacturing Group Ltd.
Send Inquiry
Brass Female Connection Straight Backflow Preventers Check Non-Return Food Valve
US$
0.50
-
2.00
1,000 Pieces
(MOQ)
Wras Dzr Brass Compression Connection Straight Backflow Preventers Double Check Valve
US$
0.50
-
2.00
1,000 Pieces
(MOQ)
Wras Dzr Brass Threaded Connection Two Core Backflow Preventers Double Check Valve
US$
0.50
-
2.00
1,000 Pieces
(MOQ)
Dzr Brass High Pressure Female Connection Backflow Preventers Double Check Valve
US$
0.50
-
2.00
1,000 Pieces
(MOQ)
1/4
Airunco Compressor Parts & Equipment Co., Limited
5.0
Send Inquiry
Air Compressor Parts Check Valve (39479852) Non-Return (39477674) Valve One-Way Valve Backflow Preventer
US$
200.00
-
240.00
5 Pieces
(MOQ)
Check Valve (39481155) Air Compressor Parts Industrial Compressor Parts Screw Compressor Parts Non-Return Valve One-Way Valve Backflow Preventer
US$
200.00
-
240.00
5 Pieces
(MOQ)
Air Compressor Parts (39477674) Check Valve (39479852) Non-Return Valve One-Way Valve Backflow Preventer
US$
200.00
-
240.00
5 Pieces
(MOQ)
Air Compressor Parts 22247308 Check Valve Non-Return Valve One-Way Valve Backflow Preventer
US$
200.00
-
240.00
5 Pieces
(MOQ)
1/4
Ningbo XHnotion Pneumatic Technology Co., Ltd.
Send Inquiry
Xhnotion Plastic Insert Cartridge Non Return Valve Back Flow 25mm Check Valve Backflow Preventor
US$
0.30
2,000 Pieces
(MOQ)
Non Back Flow Shower Backflow Preventor DN14 Cartridge Check Valve
US$
0.06
-
0.90
2,000 Pieces
(MOQ)
Plastic Miniature Style Backflow Preventor DN25 Plastic Check Valve
US$
0.06
-
0.90
2,000 Pieces
(MOQ)
Xhnotion Pneumatic 30 Kpa, 50kpa, 100kpa, 150kpa Pressure Plastic 15mm Non Return Insert Cartridge Check Valve Backflow Preventor
US$
0.20
-
0.25
1,000 Pieces
(MOQ)
1/4
TAIZHOU EASTAR TECHNOLOGY CO., LTD.
4.5
Send Inquiry
One Way Check Valve 1/2" - 4" Female Backflow Preventer Brass Check Valve NPT Female Thread Brass Float Reinforced
US$
0.80
-
1.50
200 Pieces
(MOQ)
with Drainplug Connection and Backflow Prevention Ball Stop Cocks Valve with Kiwa Mark
US$
4.50
-
10.80
200 Pieces
(MOQ)
Manual One-Way Copper Vertical Check Valve Brass Backflow Prevention for Water Media
US$
1.99
-
88.99
10 Pieces
(MOQ)
NPT/Bsp Female Thread Brass Y Type Swing Check Valve One Way Backflow Preventer for Water Media
US$
0.50
-
20.00
100 Pieces
(MOQ)
1/4
Hainan Ginsenka Co., Ltd.
2 yrs
·
Trading Company
Send Inquiry
Internal Thread Connection Reverse Anti-Backflow Lift-Type Bottom Valve
US$
20.00
-
1,962.00
1 Piece
(MOQ)
Civilian-Use Anti-Media Backflow and Filtration Internal Thread Lift-and-Drop Type Bottom Valve
US$
20.00
-
1,962.00
1 Piece
(MOQ)
Heavy-Duty Cast Steel Dual Plate Check Valve Zero-Backflow Protection
US$
40.00
-
188.00
1 Piece
(MOQ)
Butterfly-Type Double-Valve with Flange Connection Used to Prevent The Backflow of The Medium
US$
95.00
-
1,350.00
1 Piece
(MOQ)
1/4
YOONAD VALVE (WUXI) CO., LTD.
Send Inquiry
Pn10/Pn16/Pn25 Backflow Prevention Double Check Valve Cast Steel Material Water Pollution Isolation Valve
US$
45.00
-
70.00
1 Piece
(MOQ)
Shock-Proof Class 300 600 Psi Chemical Anti-Backflow Cast Steel Lift Check Valve
US$
15.00
-
45.00
1 Piece
(MOQ)
Rugged Certified Class 600 HVAC Backflow Blocking Cast Steel Lift Check Valve
US$
15.00
-
45.00
1 Piece
(MOQ)
ANSI/ISO/JIS CE Class 150 Backflow Valve Cast Steel Swing Check Valve
US$
25.00
-
50.00
1 Piece
(MOQ)
1/4
Wenzhou Huiyi Valve Co., Ltd.
Send Inquiry
316L Stainless Steel 1/2" Tube Od Check Valve (Ferrule Silver Plated) , Backflow Prevention, One Way Non-Return Check Valves
US$
14.00
20 Sets
(MOQ)
Swing Check Valve, Stainless Steel Internal Thread Horizontal Check Valve, Anti Backflow Check Valve
US$
2.10
-
3.60
20 Pieces
(MOQ)
304 Stainless Steel 3/4" NPT Female Swing Check Valve Backflow Prevention One Way Check Valve CF8 Wog 1000check
US$
2.10
-
3.60
20 Pieces
(MOQ)
304 Stainless Steel 1-1/4" Female Vertical Check Valve Backflow Prevention Check Valves
US$
3.50
-
4.00
20 Pieces
(MOQ)
1/4
NINGBO OCO FLOW TECHNOLOGY CO., LTD.
Send Inquiry
Stainless Steel 316 Corrosion Resistance AISI 316L Non Return Backflow Prevention One Way Check Valve
US$
3.40
30 Pieces
(MOQ)
Plastic Water Meter Backflow Prevention Pollution Low Price Check Valve
US$
0.15
-
0.30
2,000 Pieces
(MOQ)
Plastic Check Spool Wm15 1/2" Water Meter Bathroom Anti-Backflow Check Valve
US$
0.15
-
0.20
2,000 Pieces
(MOQ)
Corrosion-Resistant 14mm Angle Valve Check Spool Bathroom Anti-Backflow Check Valve
US$
0.132
2,000 Pieces
(MOQ)
1/4
Foshan Fuhouxiang Fire Valve Co., Ltd.
Send Inquiry
Hot Sale Df41X-16 Fireproof Flanged Backflow Preventer Check Valve
US$
38.00
-
2,000.00
5 Pieces
(MOQ)
Durable Df41X-16 Cast Iron Flanged Backflow Preventer Valve for Fire Protection
US$
38.00
-
2,000.00
5 Pieces
(MOQ)
Industrial Df41X-16 Anti-Pollution Flanged Backflow Prevention Valve for Pipeline Systems
US$
38.00
-
2,000.00
5 Pieces
(MOQ)
Industrial Hg41X Anti-Pollution Backflow Isolation Valve with Epoxy Coating
US$
19.90
-
2,999.00
5 Pieces
(MOQ)
1/4
Huhang Technology Group Co., Ltd.
9 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Premium Brass Backflow Check Valve with Low MOQ Supply
US$
1.55
-
1.79
1 Piece
(MOQ)
Horizontal Brass Check Valve Silk Buckle Internal Thread Thickened Anti-Backflow Swing Check Valve
US$
0.75
-
1.35
1 Piece
(MOQ)
HS41X-16-a Premium Backflow Preventer Valve for Safe Water Flow
US$
230.00
-
1,300.00
1 Piece
(MOQ)
Huhang Hadl41X DN40-DN600 China Pressure Differential Backflow Valve
US$
29.00
-
198.00
1 Piece
(MOQ)
1/4
RST VALVE GROUP CO., LTD.
15 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Bronze Stop Valve High Pressure Resistant Shutoff Valve for Prevent Backflow
US$
29.90
100 Pieces
(MOQ)
New Innovation Forged Steel Gate Valve Premium Portable Gate Valve for Prevent Backflow
US$
19.90
100 Pieces
(MOQ)
Industrial Pn16/150flange End H42 Vertical Check Valve
US$
25.68
-
32.86
5 Pieces
(MOQ)
Professional Manufacturer Bronze Stop Valve Durable Globe Valve for Prevent Backflow
US$
19.90
100 Pieces
(MOQ)
1/4
Like Valve (Tianjin) Co., Ltd.
5.0
Send Inquiry
Best Price Backflow Prevention Check Valve
US$
132.00
-
160.00
1 Piece
(MOQ)
Stainless Steel CF8 Wafer Type Double Disc Swing Check Valve Backflow Preventer
US$
26.00
-
33.00
1 Piece
(MOQ)
DN500 Pn16 Cast Iron Body Rubber Coated Plate Swing Check Valve Backflow Preventer
US$
243.00
-
295.00
1 Piece
(MOQ)
Quiet Drain Micron Resistance Rubber Lined Slow Closing Swing Check Valve Backflow Preventer
US$
232.00
-
282.00
1 Piece
(MOQ)
1/4
Ningbo HuaHui Metal Products Co., Ltd.
Send Inquiry
1/2'' Inch Female Check Brass Check Valve Brass Check Valve for Backflow Prevention
US$
0.01
-
1.00
1,000 Pieces
(MOQ)
1/2'' Backflow Check Valve for Toilet
US$
0.01
-
1.00
1,000 Pieces
(MOQ)
1/2" Female to 1/2" Male Thread Brass One Way Check Valve for Backflow Preventer
US$
0.01
-
1.00
1,000 Pieces
(MOQ)
G 1/2 Brass Stainless Steel Copper Electroplated Toilet Anti-Backflow Check Valve
US$
0.01
-
1.00
1,000 Pieces
(MOQ)
1/4
Shanghai Flow Valve & Fitting Co., Ltd.
28 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Cast Iron/Carbon Steel BS4504/DIN/ANSI B 16.5 Class 125/150 Size 2'-12 Triple Duty Check Valve Water Check Valve Backflow Preventer
US$
100.00
2 Pieces
(MOQ)
Manufacturers Supply Drain Shutoff Valves Backflow Prevention Valves Triple Duty Control Check Valve
US$
100.00
2 Pieces
(MOQ)
Carbon Steel/ Cast Iron/Stainless Steel Wafer Type Dual Plate Check Valve Double Check Valve Backflow Preventer
US$
5.00
-
100.00
2 Pieces
(MOQ)
Single Door Wafer Swing Check Valve with EPDM Seat and Anti-Backflow Feature
US$
5.00
-
150.00
2 Pieces
(MOQ)
1/4
Tianjin Yoakor Machinery Equipment Co., Ltd
Send Inquiry
Cast Iron Horizontal Flange Check Valve Cast Steel Anti-Backflow Swing Check Valve
US$
29.00
-
39.00
1 Piece
(MOQ)
Seawater Pipeline Fuel Pipeline Carbon Steel A216 Fange Anti-Backflow Swing Check Valve
US$
29.50
-
49.00
1 Piece
(MOQ)
Prevent Medium Backflow Stainless Steel Lift Check Valve in Industrial Pipeline
US$
32.00
-
63.00
1 Piece
(MOQ)
Cast Iron Slow-Closing Anti-Backflow Micro-Resistance Silent Swing Check Valve
US$
25.80
-
60.00
1 Piece
(MOQ)
1/4
DELCO VALVE CO., LTD
Send Inquiry
DELCO Stainless Steel Flange Type Lift Check Valve For Fluid Flow Control, High Sealing Anti-Backflow Industrial Valve
US$
59.00
-
128.00
1 Piece
(MOQ)
DELCO DN20 3/4 inch 200WOG NPT Thread Vertical Lift Brass Check Valve, High Sealing Anti-Backflow Check Valve
US$
6.00
-
12.00
1 Piece
(MOQ)
DELCO DN80 PN10 PN16 Cast Steel WCB Non-Return Flange Vertical Check Valve, High Sealing Anti-Backflow Pressure Resistant Valve
US$
59.00
-
128.00
1 Piece
(MOQ)
DELCO Flange Two Way Non-Return Swing Check Valve, DN100 Stainless Steel, PN16 for Industrial Fluid Backflow Prevention
US$
59.00
-
128.00
1 Piece
(MOQ)
1/4
Hebei Derunze Chemical Equipment Co., Ltd
12 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Prevent Water Backflow Fiberglass Flap Valve Fiberglass Composite Flap Gate
US$
95.00
-
100.00
50 Sets
(MOQ)
FRP Automatic Water Flow Anti-Backflow Valve with Corrugated Flap
US$
95.00
-
100.00
50 Sets
(MOQ)
High-Strength FRP/GRP Flap Valve (Square Design) - Anti-Backflow for Drainage & Fish Ponds
US$
5.44
-
5.88
1 Set
(MOQ)
FRP Check Valve Production Round Composite Resin Flap Gate to Prevent Backflow
US$
50.00
-
500.00
1 Set
(MOQ)
1/4
Xiamen Better Silicone Rubber Co., Ltd.
8 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
off The Shelf Medical Grade Silicone Duckbill One-Way Check Valve for Liquid/Gas Backflow Prevent
US$
0.10
1,000 Pieces
(MOQ)
Floor Drain Backflow Preventer One-Way Check Valve for Sanitary Sewer
US$
0.10
1,000 Pieces
(MOQ)
FDA Silicone Rubber Backflow Valve/ One Way Sealing / Check Valve
US$
0.10
1,000 Pieces
(MOQ)
Rubber Backflow Preventer Silicone Double Duckbill Check Valve Drain for Sewer
US$
0.10
1,000 Pieces
(MOQ)
1/4
Dvk International Co., Ltd.
16 yrs
·
5.0
·
Trading Company
Send Inquiry
China Factory Ductile Iron Reverse Flow Preventer Backflow Preventer Valve
US$
50.00
-
5,000.00
20 Pieces
(MOQ)
Flange Connection SS316 Direct Flow Low Resistance Backflow Preventer Check Valve
US$
50.00
-
5,000.00
20 Pieces
(MOQ)
High Performance Ductile Iron DN50~DN300 Pn16 Pn25 Backflow Preventer Check Valve with OEM Service
US$
50.00
-
5,000.00
20 Pieces
(MOQ)
Ductile Iron Reverse Flow Preventer Backflow Preventer Valve with OEM ODM Service
US$
50.00
-
5,000.00
20 Pieces
(MOQ)
1/4
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