Air Products GASGUARD TE10, Installation, Operation And Maintenance Manual, Page: 114 / 196

GASGUARD
®
TE10 Distribution System Manual
Air Products and Chemicals, Inc. 7 - 6
MV21 Purge In Isolation Valve
Manual valve isolates purge gas supply from the Distribution
System panel.
MV22 Vent Isolation Valve
Manual valve isolates waste vent gas system from Distribution
System panel upstream of the vacuum venturi. Used in
conjunction with MV31 for leak testing Distribution System panel
vent piping.
MV31 Leak Test Isolation Valve
This valve permits Helium leak testing of panel vent gas header
when used in conjunction with valve MV22.
MV32 Weld Gas Inlet Valve
This manual valve permits a source of welding gas to enter the
Distribution System panel through the purge gas supply line when
used in conjunction with valve MV21.
PCV1 Pressure Control Valve [branch 1-4 (A-D)]
This regulator controls the pressure of each individual process gas
flow stream.
PT1 Pressure Transducer for Process Gas Supply
This device measures the process gas source pressure at the inlet to
the Distribution System panel.
PT2 Pressure Transducer for Process Gas Delivery
[branch 1-4 (A-D)]
This transducer measures the delivery gas pressure for the
individual process gas flow streams.
PT4 Pressure Transducer for Purge Gas Supply
This transducer measures purge gas pressure at the inlet to the
Distribution System panel.
PT5 Pressure Transducer for Waste Gas Vent System
This transducer measures vent gas pressure upstream of the
vacuum venturi.