AIR
PREPARATION
PRODUCTS
4
APP-119
For further information www.norgren.com
Typical Performance Characteristics
R91Dim
diameter.
thickness.
2.13
(54)
1.50
(38)
1.63 (41)
1.50 (38)
0.9
(25)
2.54
(65)
3.01
(76)
1.1 (28)
0.73
(19)
0.90
(23)
Panel mounting hole diameter 1.19" (30 mm)
Maximum panel thickness 0.25" (6 mm)
Service Kits
Item Type Part number
Service Kit R91W, non relieving 3407-93
R91G, non relieving 3407-94
R91G, relieving 3407-95
Service kit contains slip ring, diaphragm, valve seat with o-ring, valve, and valve spring.
R91 Water or Compressed Air Pressure Regulator
Regulator 1/4" Port Size
Dimensions in inches (mm)
PORT SIZE 1/4"
SPRING RANGE: 5 to 50 psig (0.3 to 3.5 bar)
INLET PRESSURE: 100 psig (7 bar)
WATER FLOW CHARACTERISTICS
0 2 4 6 8 10 liters/min
WATER FLOW
0 0.5 1.0 1.5 2.0 2.5 US gal./min
OUTLET
PRESSURE
4
3
2
1
0
bar
50
40
30
20
10
0
psig
PORT SIZE: 1/4"
SPRING RANGE: 5 to 125 psig (0.3 to 8.6 bar)
INLET PRESSURE: 150 psig (10 bar)
AIR FLOW CHARACTERISTICS
0 5 10 15 20 25 dm
3
/s
AIR FLOW
0 10 20 30 40 50 scfm
OUTLET
PRESSURE
100
80
60
40
20
0
psig
8
6
4
2
0
bar
