Technical specification:
| Item | Content |
| Structural formation | Bolt-jointed bonnet outside stem yoke structure (Pressure sealed) |
| Driving manner | Hand-operated |
| Design standard | API602、BS 5352 |
| Face to face | ASME B16.10 |
| Flanged ends | ASME B16.5 |
| Test&inspection | API598、BS6755 |
Note:
The sizes of valve connecting flange and butt-welding terminas can be designed according to customer's requirement.
Major parts material form:
| No | Part name | Material |
| 1 | Flange | ASTM A105、ASTM A182-F11、F22、F5、F9ASTM A182-F304、F316、F321、F304L、F316L |
| 2 | Body | ASTM A105、ASTM A182-F11、F22、F5、F9ASTM A182-F304、F316、F321、F304L、F316L |
| 3 | Disc | ASTM A105、ASTM A182-F11、F22、F5、F9ASTM A182-F304、F316、F321、F304L、F316L |
| 4 | Stem | ASTM A182Gr.F6a、ASTM A182F22ASTM A182-F304、F316、F321、F304L、F316L |
| 5 | Gasket | Graphite & stainless steel |
| 6 | Bonnet | ASTM A105、ASTM A182-F11、F22、F5、F9ASTM A182-F304、F316、F321、F304L、F316L |
| 7 | Bolt | ASTM A193-B7、A230-B8、A193-B8M、A193-B16 |
| 8 | Packing | Graphite |
| 9 | Stuffing cover | ASTM A105、ASTM A182-F11、F22、F5、F9ASTM A182-F304、F316、F321、F304L、F316L |
| 10 | Gland | ASTM A105、ASTM A182-F11、F22、F5、F9ASTM A182-F304、F316、F321、F304L、F316L |
| 11 | Valve stem nut | Copper alloy、Nitrided steel |
| 12 | Handwheel | ASTM A47-32510 |