• Trim assembly
- Put a lifting lug through the screw (018).
Slide the lower cover (002) on the body threaded rods (035).Once the lower cover is landed on the
body, slide progressively the disc flange assembly until the primary seal come in contact with the disc.
Warning:
Relieving suddenly the assembly will make impact marks on the primary seal and the disc
seating surfaces. The Main Valve cannot remain tight with such marks on those surfaces.
• Cap (004)
- Insert the gasket (041) into the cap groove.
- Tighten the screws (037) with Nord-Lock
®
washer (037-1) through the upper cover (002) on cap to torque shown on Table 1.
Nota:
For the Nord-Lock
®
washers stacking, please refer to the Figure 10
Cover (002)
FIGURE 16-CAP
•
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74LP PRESSURE RELIEF VALVE
SARASIN-RSBD
™
