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A47H-16C carbon steel, wrench, carbon steel spring, micro opening safety valve, DN25 flange safety valve

price:USD$410.00
discount 70% in 2018-09-21 to 2018-09-23
price: USD$ 287.00
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Spring micro opening safety valveProduct details: 

   A47H/W spring with wrench springSafety valveSuitable for the work temperature are less than 350 of steam, air and other media of the equipment or pipeline. As overpressure protection device. Connecting flange standard according to JB/T-94 series 1.

Spring micro opening safety valveMaterial of main parts

NO
Part name
Material Science
1
valve body
WCB
2
valve seat
ZG2Cr13
3
Regulating ring
ZG2Cr13
4
Valve
2Cr13
5
Guide sleeve
2Cr13
6
Valve cover
ZG230-450
7
Spring
50CrVA
8
The stem
2Cr13
9
Wrench
ZG200-400
10
Adjusting screw
45
11
Protective cover
ZG200-400
 
Sealing surface material
"H" surfacing D507, "Y" surfacing Co base cemented carbide

Order notes of an iron and steel company:
First, the valve product name and model II. Valve diameter, whether with accessories, so that our correct selection for you use pressure 4. Use medium
Temperature.
Two, if the model has been selected by the design unit of the valve company, please directly to our sales department according to the model order.
Three, when the use of the occasion is very important or the environment is more complex, please try to provide design drawings and detailed parameters, by our iron valve
Company experts check and check for you.