Edwards A37104902, Instruction Manual

Page: 40 / 44

10.2.4 Inlet chemical trap
The inlet chemical trap protects the pump against chemically active gases.
Product
Item number
ITC20K Inlet chemical trap* A44410000
10.2.5 Solenoid operated gas-ballast control valve
The valve provides remote or automatic on/off control of gas-ballast. The valve can be
connected to shut-off ballast to prevent the return of air to the vacuum system when the
pump is switched off.
Product Electrical supply
Item number
EBV20 gas-ballast control
valve
220
‑
240 V, single-phase, 50
‑
60 Hz A50006930
100
‑
120 V, single-phase, 50
‑
60 Hz A50006984
10.2.6 Foreline trap
Use a foreline trap on a clean pumping system to prevent back-migration of rotary pump
oil vapour into your vacuum system.
Product
Item number
FL20K Foreline trap* A13305000
10.2.7 Solenoid operated pipeline valve
Fit the pipeline valve between the vacuum system and the pump inlet to provide
additional system protection when the pump is switched off.
Product Electrical supply
Item number
PV10EK
valve*
200
‑
240 V, single-phase, 50
‑
60 Hz C41101000
110
‑
127 V, single-phase, 50
‑
60 Hz C41103000
10.2.8 Outlet mist filter
The outlet mist filter separates and traps oil droplets in the pump outlet to prevent oil
mist discharge.
Product
Item number
EMF3 Outlet mist filter A46220000
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. The pack includes an oil drain
extension tube for use when oil is gravity drained.
Product
Item number
Oil drain extension A50503000
Page 38
A37132880_F - Spares and accessories