TECHNICAL SPECIFICATIONS
Working Pressure | 16bar |
Shell Testing Pressure | (x1.5) 24bar |
Seat Testing Pressure | (x1.1) 17.6bar |
Working Temperature | -20°C…110°C (EPDM seat ring) -10°C…80°C (NBR seat ring) |
Suitable Media | Water, Oil, Gas |
Material Specification
Part | Material | Specification |
Body | Cast Iron Ductile Iron |
EN-JL 1040 EN-JS 1050 |
Disc | Ductile Iron Stainless Steel 304 Stainless Steel 316 |
EN-JS 1050 EN 10088-3 1.4301 EN 10088-3 1.4401 |
Shaft | Stainless Steel 410 Stainless Steel 304 Stainless Steel 316 |
EN 10088-3 1.4006 EN 10088-3 1.4301 EN 10088-3 1.4401 |
Seat | EPDM/NBR | |
Spring | Stainless Steel 304 Stainless Steel 316 |
EN 10088-3 1.4301 EN 10088-3 1.4401 |
Gasket | PTFE | |
Lifting Ring* | Carbon Steel |
*Lifting ring is for valve 8″ and above only

DIMENSIONS
DN | (mm)
(inch) |
50
2 |
65
21/2 |
80
3 |
100
4 |
125
5 |
150
6 |
200
8 |
250
10 |
300
12 |
350
14 |
400
16 |
450
18 |
500
20 |
600
24 |
L | 43 | 46 | 64 | 64 | 70 | 76 | 89 | 114 | 114 | 127 | 140 | 152 | 152 | 178 |