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11.2.4 Inlet chemical trap
The inlet chemical trap protects the pump against chemically active gases.
11.2.5 Foreline trap
Use a foreline trap on a clean pumping system to prevent back migration of pump oil
vapour into the vacuum system.
11.2.6 Outlet mist filter
The outlet mist filter separates and traps oil droplets in the pump outlet to prevent oil
mist discharge.
11.2.7 Gas ballast adaptor
Fit the gas ballast adaptor in place of the gas ballast control on the pump. The adaptor
allows fitting of a solenoid operated gas ballast valve or a controlled supply of inert gas
to the pump.
11.2.8 Gravity oil drain kit
Fit the oil drain kit between the drain port of the outlet mist filter and the oil filler plug
on the pump. When the kit is fitted, oil will be returned from the mist filter to the pump
when the pump is switched off or when the gas ballast control is closed (in the ‘0’
position) and there is no process gas being pumped.
11.2.9 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.
11.2.10 Exhaust nozzle kit
The exhaust nozzle replaces the outlet flange. Use the exhaust nozzle to connect the
pump outlet to 12 mm internal diameter plastic hose.
11.2.11 Vibration isolators
Vibration isolators reduce vibration and noise when the pump is floor or frame mounted
and help to reduce strain when the mounting area is uneven.
11.2.12 Solenoid operated gas ballast valve
The valve provides automatic on/off control of the gas ballast and isolates the gas ballast
inlet when the pump is switched off.
Fit the gas ballast valve in place of the built-in gas ballast control on the pump; the gas
ballast adaptor (refer to
Gas ballast adaptor on page 88
) must be fitted with the
solenoid operated gas ballast valve.
Page 88
A65901880_D - Spares and accessories
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