Installation
Troubleshooting
Page 10 MDE-4645B Model 52 Pressure Regulator Valve Installation/Parts Manual · August 2019
Figure 3-3: Booster System with Model 52 Pressure Regulators
Figure 3-4: Approximate Overall Dimensions of Model 52 Pressure Regulator
TANK
SUMP
TO RELAY &
SERVICE
90° ELBOW
MINIMUM 1/8" RISE
PER FOOT OF RUN
1) Installation must conform to NFPA 30, 30A,
70 and applicable national, state & local code
requirements.
2) Piping, fittings, seals, valves, sumps, etc. to
be furnished by customer.
3) ! Warning ! Safety shear section must be
even with the bottom of the pump base.
SAFETY SHEAR SECTION.
WHEN ASSEMBLING, ALWAYS
APPLY WRENCH BETWEEN
SHEAR SECTION AND
THREAD BEING TIGHTENED.
SHEAR SECTION EVEN WITH
BOTTOM OF PUMP BASE.
MODEL NO. 52
PRESSURE REGULATOR
DO NOT USE IMPACT
VALVE WITH MODEL 52
PRESSURE REGULATOR -
DAMAGE MAY OCCUR.
CLAMP
CONCRETE ISLAND
SUCTION PUMPS
FLEXIBLE
OUTER PIPE
PIPE VENT TO TOP
OF STORAGE TANK
1-1/2" RISER PIPE
DISPENSER SUMP
TEE COUPLING
FLEXIBLE INNER PIPE
1-1/8”
5”
3”
3”
1-15/16
9”
1-1/2”
9-1/4”
