What is Brass Checking Valve ?
It is Made in Forging Brass , The component have Brass body ,brass bonnet ,Brass disc etc ;
Brass Check Valve is used to Water ,Oil ,and Gas
The Working Temperature standard : -40°C≤t≤+180°C
How is the Checking Valve working ?
When the water ,oil , gas from inlet of checking valve throughout to outlet , it can stop the water gas or oil back to inlet ;
Which Size of Checking Valve we have ?
Size : 1/2" 3/4" 1" 11/4" 11/2" 2" 21/2" 3" 4"
Which Taper Screw Thread Standard we have ?
American Standard : Npt
European Standard : BSPT , BSP , R
Chinese Standard : G thread
Which Material do you require for your market ?
Chinese Standard : Hpb 56-4 ; Low price per ton
: Hpb 57-3 ; A little high than Hpb 56-4
: Hpb 59-1 ; High than 57-3
European Standard :CuZn36Pb2As= CW602N= DZR , High Price per Ton
CuZn39Pb2 = Cw612N
CuZn39Pb3 = Cw614N
CuZn40Pb2 =Cw617N
Ameriacan Standard :C38500
C37700
C36000
C46500 low lead brass Pb less than 0.25%
Japan Standard :C3771
How to test the checking valve is good quality ?
Important Question for the valve : Thread , if the tread is bad , it will be doesnt working ;
Leak : When you install the checking valve ,it can working but doesn't stop the water back to inlet , there will be leak ;
Before install you can put some water into the checking valve , waiting ten minites, if it doesn't leak ,there will be ok ;
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The company attaches great importance to science and technology development and technological progress, in December 2000 introduction of a special cable production line, self-regulating heating cable series is currently the most favored by the majority of users of high-tech products. The Company and the National Institute of more than 10 projects to establish a cooperative relationship, sales network throughout the country.
We will adhere to the "technology works, good faith, " the purpose and dedication to providing quality products and excellent service. Welcome patrons, the inquiry.