Ross Controls PRECISION REGULATORS User Manual
FLOW CHARTS
MD4TM Modular Precision Regulators
A
Ports: 3/8, 1/2, 3/4
Flow to 170 scfm
120
80
68
4
10
40
2
12
0
14
BAR
0
100 x kPa
psi
ISO Symbol
Regulator
Self-Relieving
DIMENSIONS inches (mm)
A B C Depth † lb (kg)
3.5 (87) 4.8 (122) 1.6 (41) 2.9 (73) 2.3 (1.0)
† Less gauge.
C
160
200
B
Weight †
FEATURES:
• Modular or inline mounting
• Self-relieving diaphragm design
• Repeatability ± 0.5 psi (0.034 bar)
• Easy nger adjustment, no overshoot or undershoot when adjusting
• Minimal air bleed for high accuracy
• Pressure gauge
psi
bar
100
7.0
5.6
80
4.2
60
2.8
40
1.4
20
OUTLET PRESSURE
00
bar
psi
7.0
100
5.6
80
4.2
60
Inlet Pressure: 91 psig (6.3 bar)
3/8 Ports
1/2 Ports
HOW T O ORDER
MD4 52K E B 5 2 B
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
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
COLOR
G - Gray
Y - Yellow
R - Red
B - Blue
2 - Gold (standard)
Mount Nut
E - 0-200 psig (0-13.8 bar)
Gauge with Panel
Mount Nut
G - 7/8-14 SAE
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.
2.8
40
1.4
20
OUTLET PRESSURE
00
bar
psi
7.0
100
5.6
80
4.2
60
2.8
40
1.4
20
OUTLET PRESSURE
00
scfm
scfm
FLOW
FLOW
l/s
l/s
020
0
0 10
0
40 60 80 100 120 140 160 180
20 30 40 50 60 70 80
3/4 Ports
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.
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.
www.rosscontrols.com 39
HIGH-CAPACITY Regulators
Ports: 3/4, 1, 1¼, 1½
Flow to 800 scfm
A
80
68
4
40
2
0
0
100 x kPa
FLOW CHARTS
psig
bar
100
7
6
5
4
3
2
1
OUTLET PRESSURE
scfm
FLOW
Inlet Pressure 91 psig (6.3 bar)
3/4
1
80
60
40
20
0
0 100 200 300 400 500 600 700
l/s
080 160 240 320
FEATURES:
• Inline mounting
• Diaphragm-type design
• Self-relieving
120
C
10
160
12
14
20
BAR
0
psi
• Manual air bleed for accuracy
• Repeatability ± 0.5 psi (± 0.034 bar)
• Pressure gauge
B
ISO Symbol
Regulator
Self-Relieving
800
Port
DIMENSIONS inches (mm)
Size A B † C Depth † lb (kg)
3/4, 1 4.4 (111) 4.6 (112) 2.4 (62) 2.8 (71) 2.0 (0.91)
1¼, 1½ 4.9 (124) 4.9 (125) 2.1 (54) 2.8 (71) 2.38 (1.08)
† Less gauge.
Weight †
Inlet Pressure 91 psig (6.3 bar)
1-1/4
100
80
1-1/2
bar
7
6
psig
5
60
4
3
40
2
20
1
OUTLET PRESSURE
0
scfm
FLOW
0 100 200 300 400 500 600 700
l/s
080 160 240 320
800
STANDARD SPECIFICATIONS (for products on this page):
Ambient/Media Temperature: 40° to 175°F (4° to 79°C).
Body: Aluminum.
Bonnet and Knob: Acetal.
Dome: Zinc.
Fluid Media: Compressed air.
Inlet Pressure: 300 psig (20.7 bar) maximum.
Outlet Pressure: Adjustable 15 to 200 psig (1.0 to 13.8 bar).
Pressure Gauge: 0 to 200 psig (0 to 14 bar); 1/4 NPT gauge
ports front and rear.
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.
REGULATORS – Precision Diaphragm Type
Port 0–100 psig 0–50 psig
Size (0–6.9 bar) (0–3.4 bar)
3/4 5213D5017 5214D5017
1 5213D6017 5214D6017
1¼ 5213D7017 5214D7017
1½ 5213D8017 5214D8017
Panel Mounting: 1-3/16 (30 mm) hole required.
Seals: Nitrile.
Valve: Brass.
Valve Cap: Nylon.
Precision Regulators: Provide improved torque control for
pneumatic tools; diaphragm type. Pressure settings held within
3 psig (0.2 bar).
Threads: NPT standard, BSPP. For BSPP threads, add a “C”
prefix to the model number, e.g., C5213D5017.
40 © 2012, ROSS CONTROLS.
All Rights Reserved.
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