ANSI CLASS 150
SIZE 40 to 500 mm
ANSI CLASS 300
Size 40 to 300 mm
ANSI CLASS 600
Size 40 to 300 mm
Manufactured in accordance with BS: 1873. bolted bonnet, outside screw rising stem, suitable for repacking under pressure when fully open, ends flanged and drilled to ANSI B16.5 With raised face, renewable seat. Valves tested to API 598.
HYDROSTATIC TEST PRESSURE | ||
CLASS | BODY | SEAT |
PSIG | PSIG | |
150 | 425 | 275 |
300 | 1100 | 720 |
600 | 2175 | 1440 |
AIR SEAT TEST PRESSURE – 60 PSI |
PART NO | DESCRIPTION | MATERIAL | SPECIFICATION |
1 | BODY | CARBON STEEL | ASTM-A-216 GR WCB |
2 | BONNET | -DO- | -DO- |
3 | GLAND | -DO- | DO- |
4 | DISC | -DO- | -DO- |
5 | HAND WHEEL | -DO- | -DO- |
6 | STEM | 13% CR SS | A-182GR F6/AISI 410 |
7 | DISC FACING RING | -DO- -,__ |
-DO- |
8 | BODY SEAT RING | -DO- | -DO- |
9 | BACK SEAT BUSH | -DO- | -DO- |
10 | YOKE BUSH | Ni-RESIST CI/AL BRONZE | BS : 3468/IS : 305/BS : 2789 |
11 | GLAND PACKING | GRAPH I TED | ASBESTOS |
12 | GASKFT | CAF/SOFT IRON | IS : 2712/SPIRAL WOUNDSS 304 WITH ASBESTOS FILLER |
13 | BONNET BOLTS/STUDS | ALLOY STEEL | ASTM-A-193 GR B7 |
14 | BONNET NUTS | -DO- | ASTM-A-104 GR 2H |