10Pcs Plastic Anti-backflow Check Valves Non Return Shower Insert Check Valves

Description

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10Pcs Plastic Anti-backflow Check Valves Non Return Shower Insert Check Valves
Set Include
: 10Pcs Shower Check Valves
Condition
: Brand New
Material
: POM
Features
:
Made of high quality material, environmental friendly, non-toxic, safe and durable to use.
Prevent crossover flow in systems with unequal line pressures (e.g. cold and hot water inlets in thermostatic mixers).
Reduce the risk of backflow or leakage in case of valve failure (e.g. solenoid valve at the inlet of an appliance).
Allow complex systems to function properly by ensuring unidirectional flow (e.g. multi-zone heating system or booster pumps).
Applications include faucets and valves for most residential or commercial installations as well as pumps, filters and appliances.
Size(D x H)
:
Type A: 10 x 11mm/0.39 x 0.43 inch
Type B: 14 x 16mm/0.55 x 0.63 inch
Type C: 15 x 16mm/0.59 x 0.63 inch
Working Principles
:
1. In static conditions (no flow) the check valve is normally closed. The spring tension forces the plunger into its seat keeping the check valve closed.
2. In dynamic conditions (flow) the water pressure exceeds the spring tension. The plunger is lifted off its seat allowing water to flow through the valve.
3. In backflow conditions (reversed flow) If the pressure downstream of the valve increases( back pressure conditions) or if the system pressure upstream of the valve decreases( back siphonage conditions) causing the flow to reverse direction, the spring loaded plunger closes and prevents back flow.
Friendly Tips: The size is measured by hands, please allow minor error of measurement. Photo color might be a little different from the actual product due to color display of different monitors.
Product names are trademarks of the listed manufacturer or other owners, and are not trademarks of eFor-Smile. The manufacturer does not necessarily endorse use of these products.
Payment Methods
Terms and Conditions
Shipping
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eFor-Smile
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All items will be shipped within 1 business day after full payment is received.
It takes about 10-20 days to US UK AU DE; about 20-35 days to other countries.Shipping may influenced by holidays, events and other uncertainties. We could not guarantee the arrival time. If you can't accept the shipping time, please check the extra charge with us to ship your item via express.
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10Pcs Plastic Anti-backflow Check Valves Non Return Shower Insert Check Valves
USD 5.65