Product Description
Features
Full port,outside screw and yoke(os&y)
Bolt Bonnet
Flexible wedge,full guided
Structure according to API
Rising stem and non-rising handwheel
Available with gear operator
Flanged ends
Product specification
Design Spec |
Face to face |
Flanged end |
Test&check |
Pressure-Temp |
Marking |
Supply |
GB/T 12234 |
GB/T 12221 |
GB/T 79 |
JB/T 9092 |
GB/T 9193 |
GB/T 12220 |
JB/T 7928 |
GB 9113 |
GB/T 13927 |
Main Part Materical
Part Name |
Body material code |
|||
Body/Bonnet |
WCB |
ZGCr5MO |
ZG1Cr18Ni9Ti/CF8 |
ZG1Cr18Ni12Mo2Ti/CF8M |
Disc |
WCB |
ZGCr5MO |
ZG1Cr18Ni9Ti/CF8 |
ZG1Cr18Ni12Mo2Ti/CF8M |
Stem |
1Cr13 |
25Cr2MoV |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
Packing |
Flexible graphite |
PTFE |
||
Gasket |
18-8 Flexible graphite |
|||
Bolt |
35/35CrMO |
25CrMoV |
1Cr18Ni9 |
1Cr18Ni9 |
Suitable Temp |
-29℃-425℃ |
-29℃-550℃ |
-40℃-200℃ |
-40℃-200℃ |
Suitable Medium |
Water,oil,steam |
oil,steam |
Nitric acid |
Acetic acid |