10.2.6 Solenoid operated pipeline valve
Fit the pipeline valve between the vacuum system and the pump inlet to provide
addional system protecon when the pump is switched o.
10.2.7 Foreline trap
Use a foreline trap on a clean pumping system to prevent back-migraon of rotary pump
oil vapour into the vacuum system.
10.2.8 Vibraon isolators
The vibraon isolators reduce transmission vibraon and noise when the pump is oor
or frame mounted and help to reduce strain when the mounng area is uneven.
10.2.9 Oil drain extension
Fit the oil drain extension between the oil drain port on the pump and the oil drain-plug
to make the drainage of oil from the pump easier.
10.2.10 Pump inlet adaptor
This is a NW25 to 28 mm bore tube adaptor, supplied with connecon hardware. Aach
this adaptor to the NW25 pump-inlet to connect 28 mm bore plasc or rubber tube.
10.2.11 Flexible bellows
Use exible bellows to connect the pump-inlet to the vacuum system. We recommend
the use of bellows when using vibraon isolators.
10.2.12 Pump outlet adaptor
This is a 3/4 inch BSP to NW25 adaptor. Use this adaptor when removing the hose
adaptor supplied ed to the pump outlet to adapt the 3/4 inch BSP thread to NW25
pump inlet.
10.2.13 Gas ballast banjo/elbow assembly
Use this 3/4 inch BSP assembly when a remote ballast supply or gas ballast valve is
ed.
10.2.14 Gas ballast valve
Use this to control the gas-ballast remotely. The gas ballast banjo/elbow assembly will
also be required (refer to Gas ballast banjo/elbow assembly on page 48) when ng
this accessory.
Page 48
A34310880_T - Spares and accessories
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