Ross Controls PRECISION REGULATORS User Manual
Modular precision regulators, Flow to 170 scfm, How to order
www.rosscontrols.com
39
Ports: 3/8, 1/2, 3/4
Flow to 170 scfm
FEATURES:
• Modular or inline mounting
• Self-relieving diaphragm design
• Repeatability ± 0.5 psi (0.034 bar)
• Easy finger adjustment, no overshoot or undershoot when adjusting
• Minimal air bleed for high accuracy
• Pressure gauge
0
20
scfm
FLOW
l/s 0
10
20
psi
100
OUTLET PRESSURE
1.4
2.8
4.2
5.6
bar
7.0
Inlet Pressure: 91 psig (6.3 bar)
0
scfm
FLOW
l/s 0
0
0
40
60
80
100 120 140 160 180
20
30
40
50
60
70
80
3/4 Ports
3/8 Ports
1/2 Ports
40
60
80
20
psi
100
OUTLET PRESSURE
1.4
2.8
4.2
5.6
bar
7.0
0
0
40
60
80
20
psi
100
OUTLET PRESSURE
1.4
2.8
4.2
5.6
bar
7.0
0
0
40
60
80
FLOW CHARTS
MD4
TM
Modular Precision Regulators
A
C
B
0
B A R
1 0 0 x k Pa
p s i
120
16
0
200
80
4
0
0
2
4
6
8
10
12
14
HOW TO ORDER
E - 15-200 psig (1.0-13.8 bar)
F - 15-250 psig (1.0-17.2 bar)
G - 15-100 psig (1.0-6.9 bar)
GAUGE
A - No Gauge
B - 0-200 psig (0-13.8 bar)
D - No Gauge with Panel
Mount Nut
E - 0-200 psig (0-13.8 bar)
Gauge with Panel
Mount Nut
COLOR
G - Gray
Y - Yellow
R - Red
B - Blue
2 - Gold (standard)
PIPE SIZE
3 - 3/8 NPTF
4 - 1/2 NPTF
5 - 3/4 NPTF
C - 3/8 BSPP
D - 1/2 BSPP
E - 3/4 BSPP
F - 3/4-16 SAE
G - 7/8-14 SAE
MD4 52K E
B
5
2
B
STANDARD SPECIFICATIONS (for products on this page):
Ambient/Media Temperature: 40° to 125°F (4° to 52°C).
Body and Dome: Zinc.
Bonnet and Knob: Acetal.
Fluid Media: Compressed air.
Inlet Pressure: 250 psig (17 bar) maximum.
Outlet Pressure: Adjustable 15 to 125 psig (1.0 to 8.6 bar).
Pressure Gauge: 0 to 200 psig (0 to 14 bar); 1/4 NPT gauge ports
front and rear.
Panel Mounting: 2-1/16 (52 mm) hole required.
Seals: Nitrile.
Valve: Brass.
Cap Color: Gold standard; gray, yellow, red, and blue optional.
Precision Regulators: Provide improved torque control for
pneumatic tools; diaphragm type. Pressure settings held within
3 psig (0.2 bar).
Threads: NPT standard, BSPP, SAE.
Self-Relieving
ISO Symbol
Regulator
DIMENSIONS inches (mm)
Weight †
A
B
C
Depth †
lb (kg)
3.5 (87)
4.8 (122)
1.6 (41)
2.9 (73)
2.3 (1.0)
† Less gauge.
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.