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By certification 
Product description：
Butterfly valves specially designed for use in water supply lines.
Design specification:
Valve name:Butterfly valve for water supply
Design criteria:GB/T 12238,API 609,AWWA C504,DIN 3354
Nominal size:DN15---DN5000；1/2----144”
Nominal pressure:0.25---10.0(Mpa)；150LB---600LB
Material:Steel,Stainless steel,Aluminum bronze
Applicable medium:Temperature is -29 ~ 120℃ Water media
FAQ:
Q: Would you have a discount if l have a large order?
A:Yes ，we could offer different discount according to your order quantity.
Q: What is your main market?
A:Europe, The North America, South America, Australia, The middle east, and etc.
Q:What about the lead time for mass production?
A:Honestly, it depends on the order quantity and the season you place the order.
Q:Do you have after-sale service?
A:Yes, Good after-sale service, handling the customer complaint and solve problem for customers.
Q:Are you manufacturer or trade company?
A.We are manufacturer and there are 1 family factories in Wenzhou province .
Q:If l don't know what kind of the product I need, what should I do?
A:Just take it easy,you just need to provide us "working pressure","temperature" and "size."Then, we can suggest the most suitable product to you,or we provide you our e-catalogue for your reference,you choose the suitable model,you only need to tell us the model number.
http://www.biyivalve.com/
