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HVAC Swimming Pool Water Pipe Electric Water Valve Two-wire One-control Electric Water Valve4.0/5.0·2 reviews
Ready to Ship
$47.00 - $55.80
Min. Order: 50 pieces
Shipping per piece: $0.75
Fixed Ball Valve 2pc 4 6 Inch Fixed Manual Flange Ball Valve
$10.00 - $50.00
Min. Order: 1 piece
0.0/5.0·0 reviews
2 Inch Food Grade Ferrule Type Ss316l Stainless Steel Sanitary Single-acting Pneumatic Ball Valve4.9/5.0·12 reviews·"patient service"
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$75.00 - $85.00
Min. Order: 2 pieces
Shipping per piece: $32.72
STAINLESS STEEL SOFT SEAL REDUCED DIAMETER FLANGE BALL VALVE Q41F DN 150 WATER/GAS WITH LOW PRESSURE PRODUCED IN LIAONING
$135.00 - $210.00
Min. Order: 1 piece
0.0/5.0·0 reviews
3/4 inch Pvc back pressure Control valve for dosing pump5.0/5.0·8 reviews·"good service"
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$19.00 - $22.00
Min. Order: 2 pieces
Shipping per piece: $16.85
Gas station Overfill Prevention Valve for Storage Tank5.0/5.0·8 reviews·"fast delivery"
Ready to Ship
$99.99 - $119.99
Min. Order: 5 pieces
Shipping per piece: $22.48
CF8 Stainless steel backflow preventer filter ball valve
$48.00 - $55.00
Min. Order: 1 piece
0.0/5.0·0 reviews
Factory Price Sanitary Adaptive Exhaust Beer Spunding Valve Air Pressure Relief Valve With Gauge4.4/5.0·10 reviews·"Excellent Service"
Ready to Ship
$85.00 - $87.00
Min. Order: 1 piece
Shipping per piece: $40.00
YouKun e-PTFE Air Breather Vent For Liquid Container To Prevent Spilling And Balance Pressure Vent Valves5.0/5.0·8 reviews·"quick delivery"
Ready to Ship
$0.98 - $1.98
Min. Order: 1000 pieces
Shipping per piece: $0.08
Factory Sales Gas Cylinder Valves Compact Quick Connect Cylinder Valve With Overfilling Prevention Device
$7.00 - $18.00
Min. Order: 1000 pieces
0.0/5.0·0 reviews·"fast delivery"
Durable Fluid Control and Backflow Prevention Plastic PVC Transparent Y Check Valve4.9/5.0·5 reviews·"Fast delivery"
$4.50 - $9.00
Min. Order: 20 pieces
Shipping per piece: $32.27
1/2" Female to 1/2" Male Thread Brass One way Check Valve For Backflow Preventer5.0/5.0·3 reviews·"Reliable supplier"
$0.65 - $1.10
Min. Order: 500 pieces
Shipping per piece: $0.23
AWWA C511/ASSE 1013 slight resistance non-return backflow preventer DN400 flange end valves with CF8 disc0.0/5.0·0 reviews·"good service"
Ready to Ship
$3,597.00 - $3,776.00
Min. Order: 1 piece
Shipping per piece: $88.07
free sample ATA factory price slip thread 3/4" to 6" PVC-U flap disc swing check valve one way backflow preventer5.0/5.0·2 reviews·"Excellent service"
$1.21
Min. Order: 100 pieces
Shipping per piece: $46.23
Handle Corrosion Preventive Acid Chemical Resistant Ptfe Seat Wafer Steel Wcb Lever Operated Butterfly Valve5.0/5.0·4 reviews·"Helpful service"
$35.00
Min. Order: 1 piece
Shipping per piece: $34.84
light weight simple female threaded vertical check valve with strainers one way check valves to prevent back flow0.0/5.0·0 reviews
$1.20 - $3.60
Min. Order: 2000 pieces
Shipping per piece: $1.64
Hot selling backflow preventer 15mm plastic check valve for water meter
$0.09 - $0.11
Min. Order: 1000 pieces
0.0/5.0·0 reviews
wholesaler corrosion resistance sewage discharge prevent backflow clamp EPDM rubber duckbill check valve5.0/5.0·9 reviews·"quick delivery"
$9.80 - $12.30
Min. Order: 2 pieces
Shipping per piece: $500.00
Wholesale Plastic Micro Hose Check Valve One Way Valves Backflow Prevention Ozone Resistant Oil Resistant Water Stop Valve4.6/5.0·14 reviews·"fantastic service"
Ready to Ship
$0.22 - $0.30
Min. Order: 100 pieces
Shipping per piece: $0.51
2inch Bronze Double Check Valve Backflow Preventer Valve Assembly with Ball Valves Lead Free
$359.99 - $389.99
Min. Order: 200 pieces
0.0/5.0·0 reviews·"Fast delivery"
ANSI stainless steel check valve to prevent backflow SS304 High quality check valve
$90.00 - $99.00
Min. Order: 10 pieces
0.0/5.0·0 reviews
Prevent Leaks 1/2" Float Valve, 304 Stainless Steel Automatic Water Level Control Float Valve for Water Tank, Livestock Troughs4.9/5.0·20 reviews·"Good Service"
Ready to Ship
$4.35 - $4.55
Min. Order: 1 piece
Shipping per piece: $9.66
Backflow Prevention Lead Free 1/2 in FIP Connections Cast Brass Swing Check Valve,
$1.30 - $1.50
Min. Order: 1 piece
4.8/5.0·5 reviews·"good supplier"
Explosion-proof Anti flow bakc refrigerant can tap valve for R134.R12 Prevent refrigerant backflow4.3/5.0·1 reviews·"Fast shipping"
Ready to Ship
$1.80
Min. Order: 1 piece
Shipping per piece: $5.33
BVF New steam-heated pressure reducing valves are typically used to preheat liquids to prevent sample cooling0.0/5.0·0 reviews
$295.00 - $305.00
Min. Order: 1 piece
Shipping per piece: $20.23
API600/API6D Backflow prevention reliable shutoff carbon steel flange check valve0.0/5.0·0 reviews
Ready to Ship
$60.00 - $65.00
Min. Order: 5 pieces
Shipping per piece: $14.42
Ifan Manufacturer Brass Thread Check Valve 1/2inch Spring Check Valve To Prevent Back Flow
$1.55 - $1.61
Min. Order: 180 pieces
4.9/5.0·12 reviews·"Excellent supplier"
Overfill Prevention Valve 4 "for Underground Storage Tank
$61.00 - $82.00
Min. Order: 1 piece
4.9/5.0·9 reviews·"good delivery"
Corrosion Preventive PTFE PFA FEP Lined Pneumatic 3 Way Ball Valve
$50.00 - $500.00
Min. Order: 2 pieces
5.0/5.0·2 reviews·"Good service"
Prevent water leakage and damage float shut off valve level control valve4.9/5.0·37 reviews·"Good service"
$1.00 - $1.65
Min. Order: 20 pieces
Shipping per piece: $5.40
ANSI 150lb H44W PN16 DN80 non return flapper CF8 stainless steel backflow preventer disc flange swing check valve4.8/5.0·10 reviews·"Good service"
$15.40 - $18.90
Min. Order: 5 pieces
Shipping per piece: $272.00
Good price Carbon steel ANSI SS304 Backflow Preventer valve
$69.00
Min. Order: 2 pieces
5.0/5.0·4 reviews·"excellent service"
Low Drag Ductile Iron Flange Anti Fouling Isolation Valve Backflow Preventer Check Valve DN32 40 50 80 1000.0/5.0·0 reviews
Ready to Ship
$118.00 - $138.00
Min. Order: 10 pieces
Shipping per piece: $130.60
Non-Return Swing Check Valve Prevent Water Backflow 1/2in Female Thread Brass Horizontal Check Valve
$1.37 - $44.17
Min. Order: 10 pieces
4.8/5.0·10 reviews·"good service"Top categories
About prevention valve
3585 prevention valve products are offered for sale by suppliers on Alibaba.com, of which check valves accounts for 15%, other valves accounts for 3%, and safety valves accounts for 2%.
A wide variety of prevention valve options are available to you, such as pressure, hydraulic and pneumatic.You can also choose from medium temperature, high temperature prevention valve,as well as from water, oil, and steam prevention valve, and whether prevention valve is steel, stainless steel, or iron.