4000 SRM 135
Description
A. LOW PRESSURE DESIGN
B. LOWERING
C. RESTRICTED FLOW
D. HIGH PRESSURE DESIGN
E. LIFTING
F.
FREE FLOW
1.
SPECIAL FITTING OR VALVE BODY
2.
SPRING
3.
SPECIAL WASHER
4.
CYLINDER
5.
ORIFICE SLEEVE
6.
PLUNGER
7.
MAIN SLEEVE
Figure 5. Lowering Control Valves
7