Page 1
STAINLESS STEEL
69.8
(2.75)
57.2
(2.25)
M34 x 1.5
Threads
8.7
(0.343)
slot thru
(2) places
(2)
1/4 NPT
gauge
ports
To
open
drain
valve
16.2
(0.64)
54.1
(2.13)
Across Ports
31.8
(1.25)
max
45.2
(1.78)
41.3
(1.63)
Optional
bracket/
panel nut
1/8 NPT vent
In and out ports
1/2 NPT or
1/4 NPT
M34 x 1.5
Threads
8.7
(0.343)
slot thru
(2) places
31.8
(1.25)
max
45.2
(1.78)
41.3
(1.63)
Optional
bracket/
panel nut
1/8 NPT vent
In and out ports
1/2 NPT or
1/4 NPT
54.1
(2.13)
31.8
(1.25)
max
45.2
(1.78)
41.3
(1.63)
Optional
bracket/
panel nut
1/8 NPT vent
In and out ports
1/2 NPT or
1/4 NPT
FILTER REGULATORS
FOR HARSH ENVIRONMENTS
PRG354 up to 20 scfm
PRG352 up to 160 scfm
PRG350 Series
U All 316 Stainless Steel
Construction
U High Flow Capacity
U Tapped Exhaust Port for
Remote Venting
U Minimal Air Consumption
U 25 Micron Filter
The PRG350 series of stainless
steel filter regulators are designed
to stand up to the harshest
environments while providing
highly accurate pressure regulation.
Proven 316 stainless steel housing
and filter assemblies along with
fluorocarbon elastomers make the
PRG350 compatible with sour
gas and adaptable to off shore
environments.
SPECIFICATIONS
Exhaust Capacity: 1.0 scfm (1.7 m3/hr)
(outlet pressure 10 psig above set point)
Air Consumption: 4 scfh
3
(0.1 m
/hr) max
Maximum Supply Pressure: 290 psig
(20.0 bar)
Operating Temperatures: -29 to 85°C
(-20 to 185°F)
Filter: 25 micron
Porting:
Inlet/Outlet:
Gauge (2): 1⁄4 NPT
Exhaust: 1⁄8 NPT
Materials: Meets NACE #MR-0175
material requirement for sulfide stress
cracking
Body, Bonnet, Filter: AISI 316
stainless steel
Diaphragm Seals: Fluorocarbon
Range Spring, Pintle Spring: Inconel
Weight:
PRG352: 1.3 kg (2.9 lb)
PRG354: 1.0 kg (2.2 lb)
1
⁄4 NPT or 1⁄2 NPT
PRG354-30 shown
smaller than actual size.
Dimensions: mm (inch)
54.1
(2.13)
Across Ports
PORT
A B C D E F
SIZE
(NPT)
To Order
mm (inch) mm (inch) mm (inch) mm (inch) mm (inch) mm (inch)
1
111.8 (4.40) 67.3 (2.65) 56.9 (2.24) 94.2 (3.71) 35.1 (1.38) 54.1 (2.13)
⁄4
1
⁄2 115.3 (4.54) 70.9 (2.79) 60.7 (2.39) 101.1 (3.98) 38.6 (1.52) 69.1 (2.72)
Visit omega.com/prg350 for Pricing and Details
OUTPUT PRESSURE RANGE
MODEL NO. psi bar
1
⁄4 NPT PRESSURE PORTS
PRG354-30 0 to 30 0 to 2.1
PRG354-60 0 to 60 0 to 4.1
PRG354-100 0 to 100 0 to 6.9
PRG354-150 0 to 150 0 to 10.3
1
⁄2 NPT PRESSURE PORTS
PRG352-30 0 to 30 0 to 2.1
PRG352-60 0 to 60 0 to 4.1
PRG352-100 0 to 100 0 to 6.9
PRG352-150 0 to 150 0 to 10.3
ACCESSORIES
MODEL NO. DESCRIPTION
PRG350-MN Mounting nut
PRG350-MB Mounting bracket and nut
Comes complete with operator’s manual.
Ordering Example: PRG354-30, stainless steel pressure regulator with 0 to 30 psi range and
1
NPT ports.
⁄
4
L-14
VALVES AND REGULATORS
L
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