Пластиковый обратный клапан односторонний стопорный для счетчика

One Way Stop Check Valve for Water Meter

Material ： 

POM, Stainless Steel Spring, Silicone O-ring
           All the material is safe, non-toxic

This is a dynamic O-ring. The O-ring reacts to the pressure changes and adjusts its shape to decrease the amount of water going through: the flow rate remains near-constant

Function:
Protect drinking water from contamination by backflow resulting from gravity, backsiphonage or backpressure (e.g. Hose connected kitchen spray or shower hand spray).

Q: Are you trading company or manufacturer ?

A: We are factory.

Q: How long is your delivery time?

A: Generally it is 10 days if the goods are in stock. or it is 20-25 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.