Complaint
Materials of Main Parts
| No. | Part Name | Material |
| 1 | Body | GS-C25, 1.7363, 1.4308, 1.4408, 1.4306, 1.4301 |
| 2 | Disc | ASTM A182-Gr.F6a, F22, F304, F316, F321, F304L, F316L |
| 3 | Hinge Pin | ASTM A182-Gr.F6a, F22, F304, F316, F321, F304L, F316L |
| 4 | Bellows Assembly | 1Cr18Ni9Ti, 304, 316 |
| 5 | Stem | ASTM A182-Gr.F6a, F22, F304, F316, F321, F304L, F316L |
| 6 | Bonnet | GS-C25, 1.7363, 1.4308, 1.4408, 1.4306, 1.4301 |
| 7 | Packing | Flexible Graphite |
| 8 | Packing Gland | GS-C25, 1.7363, 1.4308, 1.4408, 1.4306, 1.4301 |
| 9 | Locating Piece | 25, 45, 304, 316 |
| 10 | Stem Nut | Copper Alloy |
| 11 | Handwheel | WCB, QT400-18 |
| 12 | Stud | ASTM A194-2H, A194-8, A194-8M |
| 13 | Hex Nut | ASTM A194-2H, A194-8, A194-8M |
| 14 | Gasket | Flexible Graphite+SS |
| Standard | DIN3356/BS5152/MSS SP-85 |
| Medium | oil ,gas,water |
| size | DN40-DN600 |
| Pressure | CLASS 125-300/PN10-40/200-600PSI |
| Material | CI,DI,CS |
| Driving mode | handwheel,bevel gear,gear, lever, worm actuator, electric, pheumatic |
| Design and Manufacture | Conform to BS EN 13789,BS5152,ANSI |
| Flange dimensions | Conform to EN1092-2 |
| Face to Face dimensions | Conform to BS5152,EN558-1 list 10 |
| Testing | Conform to EN12266-1 |
