Ross Controls REMOTE PILOT REGULATORS User Manual
FLOW CHARTS
MD4TM Modular Remote Pilot Regulators
A
Ports: 3/8, 1/2, 3/4
Flow to 190 scfm
0
4
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)
FEATURES:
• Modular or inline mounting
• Diaphragm-type design
12
0
80
68
4
10
1
6
0
2
12
0
14
200
BAR
0
100 x kPa
psi
C
B
3/8 Ports
DIMENSIONS inches (mm)
A B C Depth † lb (kg)
3.5 (87) 2.4 (62) 1.6 (41) 2.9 (73) 2.20 (1.0)
† Less gauge.
1/2 Ports
MD4 52K 1 B 5 G A
• Self-relieving
• Pressure gauge
ISO Symbol
Regulator
HOW T O ORDER
Weight †
2.8
40
1.4
20
OUTLET PRESSURE
bar
7.0
FLOW
FLOW
00
psi
100
5.6
80
4.2
60
2.8
40
1.4
20
OUTLET PRESSURE
00
scfm
scfm
020
0
l/s
l/s
0 10
0
3/4 Ports
40 60 80 100 120 140 160 180
20 30 40 50 60 70 80
STANDARD SPECIFICATIONS (for products on this page):
Ambient/Media Temperature: 40° to 175°F (4° to 79°C).
Body and Dome: Zinc.
Fluid Media: Compressed air.
Inlet Pressure: 300 psig (20.7 bar) maximum.
Outlet Pressure: Adjustable 0 to 250 psig (0 to 17.2 bar).
Pilot Ports: 1/4 NPTF.
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.
90
200
RELIEF OPTION
1- Relieving (standard)
2 - Non-relieving
A - No Gauge
B - 0-200 psig (0-14)
Gauge
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)
G - 7/8-14 SAE
Pressure Gauge: 0 to 200 psig (0 to 14 bar); 1/4 NPT gauge
ports front and rear.
Seals: Nitrile.
Valve: Brass.
Valve Cap: Nylon.
Cap Color: Gold standard; optional gray, yellow, red, blue.
Threads: NPT standard, BSPP, SAE.
www.rosscontrols.com 41
FULL-SIZE High-Relief Remote Pilot Regulators
FLOW CHARTS
Ports: 1/4, 3/8, 1/2, 3/4
Flow to 150 scfm
A
120
80
68
4
10
40
2
12
0
14
200
BAR
0
100 x kPa
psi
High-Relief regulators separate control air from exhaust air.
FEATURES:
• Modular or inline mounting
• Diaphragm-type design
• Self-relieving
C
160
• Pressure gauge
B
psi
bar
7.0
5.6
4.2
2.8
100
80
60
40
Inlet Pressure: 91 psig (6.3 bar)
1/4 Ports
ISO Symbol
Regulator
DIMENSIONS inches (mm)
A B C Depth † lb (kg)
Weight †
3.5 (89) 2.4 (62) 1.3 (33) 2.8 (71) 2.06 (0.92)
† Less gauge.
Port Size Part Number
1/4 5X00B2037
3/8 5X00B3025
1/2 5X00B4040
3/4 5X00B5035
STANDARD SPECIFICATIONS (for products on this page):
Ambient/Media Temperature: 40° to 175°F (4° to 79°C).
Body and Dome: Zinc.
Fluid Media: Compressed air.
Inlet Pressure: 300 psig (21 bar) maximum.
Outlet Pressure: Adjustable 0 to 200 psig (0 to 13.8 bar).
Pilot Ports: 1/4 NPTF.
1.4
20
OUTLET PRESSURE
00
bar
psi
7.0
100
5.6
80
4.2
2.8
1.4
OUTLET PRESSURE
bar
psi
7.0
100
5.6
4.2
2.8
1.4
OUTLET PRESSURE
scfm
scfm
FLOW
FLOW
60
40
20
00
80
60
40
20
00
l/s
l/s
020
0
0 10
0
40 60 80 100 120 140 160 180
20 30 40 50 60 70 80
Pressure Gauge: 0 to 200 psig (0 to 14 bar); 1/4 NPT gauge
ports front and rear.
Seals: Nitrile; optional Viton seals.
Valve: Brass.
Valve Cap: Nylon.
Threads: NPT standard, BSPP. For BSPP threads, add a “C”
prefix to the model number, e.g., C5X00B2037.
1/2 Ports
3/4 Ports
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.
42 © 2012, ROSS CONTROLS.
All Rights Reserved.
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