Standards
Design and manufacture : BS 1873/BS EN558-1
Face to Face : DIN3202 ,EN 1092-1
Flange End : DIN2534
Inspection : DIN 3230
Materials For Main Parts
Test Pressure
Nominal pressure : 1.6/2.5/4.0/6.3
Strength Testing : 2.4/3.8/6.15/9.75
Seal Test : 1.8/2.8/4.51/7.15
Material
item | Name Of Partsb | Material |
1 | Valve Boby | WCB WCI WC6 WC9 C5 CF8 CF8M CF8C CF3 CF3M |
2 | Disc | 25, 12Cr13, 20Cr13,1Cr18Ni9,0Cr18Ni12Mo2Ti,20Cr1Mo1V, 25Cr2MoV |
3 | valve rod | 1Cr13, 2Cr13,1Cr18Ni9,0Cr18Ni12Mo2Ti,20Cr1Mo1V, 25Cr2MoV |
4 | The disc cover | 25, 1Cr13, 2Cr13,1Cr18Ni9,0Crl18Ni12Mo2Ti,20Cr1Mo1V, 25Cr2MoV |
5 | gasket | Flexible graphite + stainless steel |
6 | bonnet | WCB WC1 WC6 WC9 C5 CF8 CF8M CF8C CF3 CF3M |
7 | stud | 35CrMoA, 0Cr18Ni9,06Cr17Ni12Mo2,25Cr2MoV |
8 | hex nut | 45,35CrMoA,0Cr18Ni9,06Cr17Ni12Mo2,25Cr2MoV |
9 | padding | flexible graphite |
10 | stuffing box gland | WCB CF8 CF8M CF8C CF3 CF3M |
11 | valve-stem nut | Copper alloy |
12 | hand wheel | ASTM A47-32510 |
DIN Lift Check Valve
Product Description
1,Name:DIN Lift Check Valve
2,Size:DN15-DN300
3,Pressure:PN16
4,Connection type: flanged type
Main Parts and Materials
1,Body :GG25
2,Bonnet : GG25
3,Stem : SS420
4,Seat :Brass/Stainless Steel
5,Disc : GG25
Products Standard
1,Design Standard:
2,Face to Face :DIN 3202 F1
3,Flanged Ends :DIN 2533 PN16
4,Inspect&Tesing:DIN 3230
DIN Swing Check Valve
Product Description
1,Name:DIN Swing Check Valve
2,Size:DN40-DN600
3,Pressure:PN16
4,Connection type: flanged type
Main Parts and Materials
1,Body :GG25
2,Bonnet : GG25
3,Arm shaft : 304
4,Seat :Brass/Stainless Steel
5,Disc : GG25
Products Standard
1,Design Standard:
2,Face to Face :DIN 3202 F6
3,Flanged Ends :DIN 2533 PN16
4,Inspect&Tesing:DIN 3230