Stainless steel pressure relief valve

Detailed Product Description

   Stainless steel pressure relief valve

  Product details
A41Y-160320 type are used for the equipment and pipeline of the with air,Nitrogen hydrogen fuel and water etc,A41Y-160P/320PA41Y-160R/320R type are used for the equipment and pipeline of the with air and petroleum gas medium what the working temperature are less than 200 ^oC.And it take for extra pressure protection devices.
Flange connecting dimensions of comply with Standard series of JB/T2769-92
  Materials for main parts
NO.      name of part     A41Y-160 Materials       A41Y-160P Materials     A41Y-160R Materials
1         Flange               35/35CrMoA               2Cr13                 1Cr18Ni9Ti
2         Nozzle               2Cr13                 1Cr18Ni9Ti             1Cr18Ni12Mo2Ti
3         Body                 35/40                 1Cr18Ni9Ti             1Cr18Ni12Mo2Ti
4         Disc                 2Cr13                 1Cr18Ni9Ti             1Cr18Ni12Mo2Ti
5       Guide sleeve           2Cr13                 1Cr18Ni9Ti             1Cr18Ni12Mo2Ti
6        Spring                50CrVA                       50CrVA Coaled Teflon
7        Stem                  2Cr13                 1Cr18Ni9Ti             1Cr18Ni12Mo2Ti
8        Bonnet              ZG230-450              1Cr18Ni9Ti              1Cr18Ni9Ti
9      Adjusting bolt            45                    2Cr13                 2Cr13
10      valve bonnet         ZG200-400               1Cr18Ni9Ti             1Cr18Ni9Ti
  Sealing surface of NozzleDisc            Depositing stellite