Pressure Controllers
Humidistats 
and 
Thermostats Controllers Sensors Relays Switches Actuators Valves Accessories
Engineering 
Guide
Cross 
Reference
70-6925 39
Application Type: Pressure Reducing
Connection Size: Inlet and out air: 1/4 in. NPT (female) Air gage: 1/8 
in. NPT (female)
Mounting: Bracket furnished
Accessories:
305917 2 in. diameter, 1/4 NPT center stem back mount Pressure 
Indicating gauge (0 to 160 psi scale) with +/- 3% accuracy
305965 1-1/2 in. diameter, 1/8 NPT center stem back mount Pressure 
Indicating gauge (0 to 30 psi scale) with +/- 4% accuracy
804191E 2-1/2 in. diameter, panel-mounted Pneumatic Pressure 
Indicating Gauge (0 to 160 psi), 1/8 in. NPT connection, +/-3% 
accuracy
Replacement Parts:
14003121-002 Filter for PP902A or B
14004203-001 Filter cartridge kit for PP902C and PP902D.
14004205-002 Filter Station Assembly for PP901, PP902A or B
316134B PP901A & B Diaphragm Repair Kit
316203A Pressure Regulator Valve Assembly, PP901A & PP901B, 
PP902A,B.
Product Number
Inlet Pressure 
Range Output Pressure Range
Includes Description(psi) (kPa) (psi) (kPa)
PP901A1004 45 to 
150 psi
310 to 
1034 kPa
primary pressure: adj.0 
to 25 psi.
primary pressure: adj.0 to 
172 kPa.
Gage tapping 
to measure 
the regulated 
pressure.
High Pressure Diaphragm Operated 
Reducing Valve with Built-in Adjustable 
Relief Valve for Single Pressure Systems. 
Includes Mounting Bracket and Gage Taps 
But No Gages.
PP901B1002 45 to 
150 psi
310 to 
1034 kPa
primary pressure: adj.0 
to 25 psi; secondary 
pressure: adj. 0 to 5 psi 
above primary rating
primary pressure: adj.0 to 
172 kPa; secondary 
pressure: adj. 0 to 34kPa 
above primary setting.
Gage tapping 
to measure 
the regulated 
pressure.
High Pressure Diaphragm Operated 
Reducing Valve with Built-in Adjustable 
Relief Valve for Dual Pressure Systems. 
Includes Mounting Bracket and Gage Taps 
But No Gages.
PP902C1009 45 to 
150 psi
310 to 
1034 kPa
primary pressure: adj.0 
to 25 psi
primary pressure: adj.0 to 
172 kPa.
Sub-micron 
filter assembly 
and two psig 
gages.
Pressure Reducing Valve for Single 
Pressure Systems, consists of a PP901A 
Valve, a sub-micron filter station, 2 psig 
gages, Interconnecting Pipe Fittings, and a 
Mounting Bracket
PP902D1007 45 to 
150 psi
310 to 
1034 kPa
primary pressure: adj.0 
to 25 psi; secondary 
pressure: adj. 0 to 5 psi 
above primary rating
primary pressure: adj.0 to 
172 kPa; secondary 
pressure: adj. 0 to 34kPa 
above primary setting.
Sub-micron 
filter assembly 
and two psig 
gages.
Pressure Reducing Valve for Dual Pressure 
Systems, consists of a PP901B Valve, a 
sub-micron filter station, 2 psig gages, 
Interconnecting Pipe Fittings, and a 
Mounting Bracket