Rolling Ball Flange Check Valve

2.Purpose
This product is mainly set on the pump outlet in cold water,hot water,industrial and living sewage pipe-nets to prevent the medium from backflow and more suitable for submergible sewage pumps.

3.Features

• Good tightness,silencing close,non-water hammer produced.
• The body uses a full water-flow loss is less than that with the swing type by 50%.


4.Main dimensions




5.production process




6.Package



7ompany Information

8.FAQ
Q: Are you trading company or manufacturer ?
A: We are factory Located In Tianjin, China.
Q: Whats your product range?
A: We produce Butterfly valve, Gate valve, Check valve, Y strainer ,Water Controlling Valve and other Pipe Accessories .
Q: Whats Execution Standard?
A: ISO/ANSI/DIN/JIS/ EN/GOST/AS standard.
Q: Whats your Strong product ?
A: Centre Line Butterfly valve, Eccentric Butterfly valve ,Resilient Seat Gate valve, and largest size to DN3200 .
Q: How long is your delivery time?
A: Generally it is 10 days if the goods are in stock. or it is 35 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<=10000USD, 100% in advance. Payment>=10000USD, 30% T/T in advance ,balance before shipment.