Data Sheet

19
Relief/Backpressure
T208 Series
Body Size
NPS 3/4 and 1 /
DN 20 and 25
Control Pressure Range
2-inches w.c. to 7 psig /
5 mbar to 0.48 bar
Maximum Inlet Pressure 75 psig / 5.2 bar
Maximum Capacity 2286 SCFH / 61.3 Nm
3
/h
Operation Method Direct-Operated
Body Material
Cast Iron, Steel, and
Stainless Steel
Bulletin No. 74.2:T208
The T208 Series is ideal for relief or backpressure applications in small systems. The unit
may also be utilized as a vapor recovery valve.  A larger NPS 1-1/2 and 2 / DN 40 and 50 
unit is available in the Type Y696.
Pressure Reducing
T205 Series
Body Size
NPS 3/4 and 1 /
DN 20 and 25
Control Pressure Range
1-inch w.c. to 7 psig /
2 mbar to 0.48 bar
Maximum Inlet Pressure 200 psig / 13.8 bar
Maximum Capacity
2468 SCFH /
346.2 Nm
3
/h
Operation Method Direct-Operated
Body Material
Cast Iron, Steel, and
Stainless Steel
Bulletin No. 71.1:T205
The T205 Series is a compact regulator idea for accurate control of low-pressure systems.
The unit is easy to install and maintain. For larger applications the Type Y692 is available in
NPS 1-1/2 and 2 / DN 40 and 50 sizes.
Vacuum Breaker
T205VB Series
Body Size
NPS 3/4 and 1 /
DN 20 and 25
Control Pressure Range
0 to 5 psig /
0 to 0.35 bar vacuum
Maximum Inlet Pressure 200 psig / 13.8 bar
Maximum Capacity 2468 SCFH / 66.1 Nm
3
/h
Operation Method Direct-Operated
Body Material
Cast Iron, Steel, and
Stainless Steel
Bulletin No. 71.3:T205VB
The T205VB Series vacuum breaker provides accurate vacuum protection with its large
diaphragm area. An external registration option is available for systems requiring a control
line. The Y692VB Series is available for larger systems needing a NPS 1-1/2 or 2 / DN 40 or
50 unit. For Vacuum Regulator applications, the T208VR and Y696VR Series are available.
Relief/Backpressure
MR98 Series
Body Size
NPS 1/4, 1/2, 3/4, 1, 1-1/2, and 2 /
DN 15, 20, 25, 40, and 50
Relief Pressure Range
2 to 375 psig /
0.14 to 25.9 bar
Maximum Inlet
Pressure
400 psig / 27.6 bar
Maximum Capacity 206,000 SCFH / 5510 Nm
3
/h
Operation Method Direct-Operated
Body Material
Cast Iron, Steel, Stainless Steel,
Hastelloy
®
C, and Monel
®
Bulletin No. 71.4:MR98
The MR98 Series is used in a variety of process gas backpressure and relief applications
including corrosive gases and cryogenic applications. The unit is available with a remote
control line, differential pressure control and high-pressure optional constructions.