Sectional view
Fig 1 - RB 4000 sectional view
Diaphragm
Fig 2 - RB 4000 with built-in safety shutoff valve
Safety Shutoff valve (SSV
Adjustment screw
Valve seat
Breather
Loading
spring
Actuator
Anti-pumping
valve
Sensing line
Valve disc
SSV
Sensing line
5
5