The Pulse Gulper(tm): Installation information
The Pulse Gulper(tm): Installation information
A) Charging
- C1 configuration (with external charge valve)
Loosen small hex nut one turn counterclockwise.
Charge with N2 using a standard high-pressure inflating adapter to approximately 40-60%
of lowest system operating pressure.
Retighten hex nut before removing N2 charge hose fitting.
System operating pressure should not be below 300 psi
(21 bar) unless low pressure piston/seal sub-assembly is used.
- C2 configuration (with internal check valve)
Remove plug in end of housing and charge with N2 using a standard SAE-5 male union to approximately 40-60% of lowest system operating pressure. Remove -5 union and replace plug.
System operating pressure should not be below 300 psi
(21 bar) unless low pressure piston/seal sub-assembly is used.
B) Installation
- Install Pulse Gulper(tm) with either port as inlet, the other as outlet. Install as close to
pump outlet as possible to reduce pump pulsations in system. In some systems a reduced outlet
port fitting size will reduce pulsations even further.
- The Pulse Gulper(tm) can also be installed in the return line to protect (e.g.) a heat
exchanger from pulsations. Also, the Pulse Gulper(tm) can be installed just upstream
of a particular component or instrument for which you wish to provide smooth flow.
- If using a system or that part of a system where the pressure is under 300 psi (21 Bar),
a low-pressure piston/seal sub-assembly should be specified (-01 model number suffix).
C) Seals
- Standard elastomer seal materials are Buna-N for most fluids, and Ethylene Propylene (EPR)
for phosphate esters like Skydrol.
- Flourocarbon is available for most high-temperature applications over 275 degrees F (135 C).