▪ Remove the outlet nozzle and connect to the 3/4 inch BSP threaded hole.
▪ Remove the outlet nozzle and replace it with an NW25 ange adaptor (available as
an oponal accessory, refer to Pump outlet adaptor on page 47) and then connect
to the NW25 ange.
4.10 Gas-ballast inlet connecon
The posion of the gas-ballast inlet is shown in Figure: General view of the pump on
page 11. The gas-ballast inlet has several lters (shown in Figure: Remove/replace the
gas-ballast lter on page 37) to trap any dust and debris if air is used as the gas-ballast
supply.
If using a dierent gas for the gas-ballast supply or to connect a valve to the gas-ballast
inlet:
1.
Remove the lters (as described in Clean the gas-ballast lter on page 36).
2.
Connect the gas supply or valve to the 1/4 inch BSP threaded hole.
4.11 Leak-test the system
Leak‑test the system and seal any leaks found aer you have installed the pump, to
prevent leakage of substances out of the system and leakage of air into the system.
Page 27
A37310880_V - Installaon