Performance:
Nominal Pressure: 1.0, 1.6 MPa.
Casing Body Test Pressure: 1.5, 2.4 MPa.
Sealing test pressure: 1.0, 1.6 MPa.
Max. Inlet Pressure: 1.0, 1.6 MPa.
Outlet Presure Range: 0.04-0.60, 04-1.0 MPa.
Min. Pressure Difference: 0.05, 0.07 MPa.
Leakage Quantity: GB12245-1989.
Parts & Material:
Body, bonnet, bottom cap: WCB.
Seat, Plug: 410 S.S.
Cylinder sleeve, Piston: Al-Fe bronze
Diaphragm: PH15-7Mo.
Piston Ring: PPL.
Pilot Seat, pilot Plug: 410 S.S.
Spring: ASTM 6150.
Pilot Main Spring: ASTM 6150.
Adjust Spring: UNS G92600.
Flow Coefficient (Cv):
DN: 15, 20, 25, 32, 40, 50, 65, 80.
Cv: 1, 2.5, 4, 6.5, 9, 16, 25, 36.
Nominal Diameter DN | Dimensions | Connection dimensions |
| L | H | H1 | PN 1.0MPa | PN 1.6MPa |
| | | | D | K | n-ф | d | C | D | K | n-ф | d | C |
| 15 | 140 | 160 | 65 | 95 | 65 | 414 | 45 | 12 | 95 | 65 | 414 | 45 | 14 |
| 20 | 140 | 160 | 65 | 105 | 75 | 414 | 55 | 14 | 105 | 75 | 414 | 55 | 14 |
| 25 | 150 | 168 | 68 | 115 | 85 | 414 | 65 | 14 | 115 | 85 | 414 | 65 | 14 |
| 32 | 180 | 185 | 75 | 135 | 100 | 418 | 78 | 16 | 135 | 100 | 418 | 78 | 16 |
| 40 | 180 | 185 | 78 | 145 | 110 | 418 | 85 | 16 | 145 | 110 | 418 | 85 | 16 |
| 50 | 200 | 193 | 88 | 160 | 125 | 418 | 100 | 16 | 160 | 125 | 418 | 100 | 16 |
| 65 | 230 | 208 | 98 | 180 | 145 | 418 | 120 | 18 | 180 | 145 | 418 | 120 | 18 |
| 80 | 260 | 228 | 117 | 195 | 160 | 418 | 135 | 18 | 195 | 160 | 818 | 135 | 20 |