Control Products 948W User Manual
12950 W.Eight Mile Road • Oak Park,MI 48237-3288 • 248/399-8000 • FAX:248/399-7246 • www.tr erice.com
6/1/2001
35
Pressure Regulator 984 Series
for Steam,Air,Water,Gas or Oil Service
The Trerice Series 984 Pressure Regulator is
an excellent choice for process equipment and
service lines with light pressure regulating
requirements. It includes a spring-loaded
diaphragm that can be externally adjusted by
the operator to provide a uniform outlet
pressure that is unaffected by normal variations
in supply pressure. The regulator body is
constructed from forged brass and includes
other high grade, corrosion resistant materials
to assure a life of trouble-free service. The
diaphragm is made from rubber or bronze, and
the disc is made from rubber, Teflon or fibre,
depending upon service demands.
For optimal performance,the service conditions
(medium,flow,temperature,inlet and outlet
pressures) of the application must be considered
when selecting a regulator. Please refer to the Valve
Selection Section of this catalog.Improper
application may cause failure of the valve, resulting
in possible personal injury or property damage.
Model
984
Body
Forged brass
Ports
Two
Valve Assembly
G984S: Teflon
G984W: Viton
Maximum Inlet Pressure
400 psi
Operating T emper ature
-20°F (-28°C) to 200°F (93°C)
Sample Order Number: G984S04B
G984 S 04 B
Model Service Connection Size Reduced Pressure Range
G984 S Steam 021/4NPT A 5 to 50 psi
W Water/Air/Gas/Oil 03
3
/8NPT B 10 to 100 psi
04
1
/
2
NPT C 25 to 150 psi
How To Order
Specifications
Diaphragm
Actuated
Bronze
Construction
1
/4
" to
1
/2
" Sizes
984 pictured
Pressure Regulators & Acc.
12950 W.Eight Mile Road • Oak Park,MI 48237-3288 • 248/399-8000 • FAX:248/399-7246 • www.trerice.com
1/1/2001
363636
Approximate
Size (NPT) A B C D S hipping Wt.
984S1/4 1.8 [46] 2.9 [74] 0.7 [18] 2.2 [56] 0.6 lbs [0.27 kg]
3
/8 2.6 [66] 4.3 [109] 1.1 [28] 3.2 [81] 2.8 lbs [1.27 kg]
1
/
2 2.6 [66] 4.3 [109] 1.1 [28] 3.2 [81] 2.8 lbs [1.27 kg]
984W1/4 1.8 [46] 2.9 [74] 0.8 [20] 2.2 [56] 0.8 lbs [0.36 kg]
3
/8 2.8 [71] 4.3 [109] 1.2 [30] 3.2 [81] 3.0 lbs [1.36 kg]
1
/2
2.8 [71] 4.3 [109] 1.2 [30] 3.2 [81] 3.0 lbs [1.36 kg]
All dimensions are nominal. Dimensions in [ ] are in millimeters.
B MAX.
D
C
A
Valve Capacities
Steam (pph) Air (cfm) Water(gpm)
Inlet Pressure Reduced Valve Size (NPT) Inlet Pressure Reduced Valve Size (NPT) Pressure Valve Size (NPT )
(psig) Pressure (psig)1/
4
3
/
8
1
/
2 (psig) Pressure (psig)
1
/
4
3
/
8
1
/
2 Drop (psig)
1
/
4
3
/
8
1
/
2
25 10 or less 42 84 182 25 10 or less 15 30 65 10 2 4 7
50 25 or less 70 140 280 50 25 or less 25 50 100 25 3 6 11
100 60 or less 140 280 560 100 60 or less 50 100 200 50 4 8 16
150 90 or less 210 420 784 150 90 or less 75 150 280 100 6 12 22
Pressure Regulators & Acc.
Pressure Regulator 984 Series
for Steam,Air,Water,Gas or Oil Service
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