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R72G, R72R
EXCELON®72 Pressure Regulator 1/4", 3/8" Port Sizes q EXCELON design allows in-line or modular installation q Full flow gauge ports q Balanced valve design for optimum pressure control q Push to lock adjusting knob with tamper resistant accessory q R72R reverse flow option q Modular installations with EXCELON 72, 73, and 74 series can be made to suit particular applications
Technical Data
Fluid: Compressed air Maximum pressure: 20 bar (290 psig) Operating temperature*: -20° to +65°C (0° to +150°F)
* Air supply must be dry enough to avoid ice formation at temperatures below +2°C (+35°F).
Ordering Information
See Ordering Information on the following pages.
Approximate flow at 10 bar (150 psig) inlet pressure, 6,3 bar (90 psig) set pressure and a droop of 1 bar (15 psig) from set: 33 dm3/s (70 scfm) Gauge ports: 1/8" PTF with PTF main ports 1/8" ISO Rc with ISO Rc main ports 1/8" ISO Rc with ISO G main ports Materials: Body: Zinc Bonnet: Acetal Valve: Brass Elastomers: Nitrile Bottom plug: Acetal
ISO Symbols
R72G Relieving
R72G Non Relieving
R72R Relieving
R72R Non Relieving
4/98
Our policy is one of continuous research and development. We reserve the right to amend, without notice, the specifications given in this document.
N/AL.8.160.200.01
R72G, R72R
Typical Performance Characteristics
FLOW CHARACTERISTICS bar g psig PORT SIZE: 1/4" INLET PRESSURE: 10 bar g (150 psig) RANGE: 0,3 to 10 bar
8 100 OUTLET PRESSURE 6 80
60
4
40 2 20
0
0 0 0 10 20 20 40 30 60 AIR FLOW 80 40 100 50 dm3/s 120 scfm
Ordering Information. Models listed include unidirectional flow, ISO G threads, knob adjustment, relieving diaphragm, 0,3 to 10 bar (5 to 150 psig) outlet pressure adjustment range* without gauge.
Port Size G1/4 G3/8 Model R72G-2GK-RMN R72G-3GK-RMN Flow† dm3/s (scfm) 33 (70) 33 (70) Weight kg (lb) 0,36 (0.79) 0,36 (0.79)
† Typical flow with 10 bar (150 psig) inlet pressure, 6,3 bar (90 psig) set pressure and a 1 bar (15 psig) droop from set.
Alternative Models
Flow Type Standard Reverse flow Port Size 1/4" 3/8" Threads PTF ISO Rc taper ISO G parallel Substitute G R Substitute 2 3 Substitute A B G
R7 2 5-555-555
Gauge With Without Outlet Pressure Adjustment Range* 0,3 to 2 bar (5 to 30 psig) 0,3 to 4 bar (5 to 60 psig) 0,3 to 10 bar (5 to 150 psig) Diaphragm Relieving Non relieving Adjustment Knob T-bar Substitute G N Substitute C F M Substitute R N Substitute K T
* Outlet pressure can be adjusted to pressures in excess of, and less than, those specified. Do not use these units to control pressures outside of the specified ranges. ** Units with 17 bar (250 psig) outlet pressure range are available only with the T-bar adjustment; therefore substitute T at the 7th digit and S at the 12th position.
N/AL.8.160.200.02
Our policy is one of continuous research and development. We reserve the right to amend, without notice, the specifications given in this document.
4/98
R72G, R72R
Accessories
Wall Mounting Bracket 4224-50
Quikclamp and Quikclamp Wall Bracket 4214-52
Neck Mounting Bracket 74316-50 Includes plastic panel nut
Panel Nut Plastic: 4248-89
Tamper Resistant Cover and Seal wire 4255-51 Seal Wire: 2117-01
Ø 40 mm Pressure Gauge 4 bar (60 psig): 10 bar (150 psig): 25 bar (360 psig):
R1/8 Connection 18-013-990 18-013-989 18-013-908
1/8 PTF Connection 18-013-211 18-013-212
Dimensions mm (inches)
Panel mounting hole diameter: 40 mm (1.57") Panel thickness: 0 to 4 mm (0" to 0.16")
63 (2.48)
48 (1.89)
35 (1.38)
26 (1.01)
26 (1.01)
35 (1.38)
33 (1.31)
73 (2.88)
50 (1.97)
50 (1.97)
4/98
Our policy is one of continuous research and development. We reserve the right to amend, without notice, the specifications given in this document.
33 (1.31)
102 (4.03)
48 (1.89)
N/AL.8.160.200.03
R72G, R72R Bracket Mounting
Wall Bracket Use 4 mm (5/32") screws to mount bracket to wall.
42 (1.65) 38(1.50)
Quikclamp and Quikclamp Wall Bracket Use 5 mm (3/16") screws to mount bracket to wall.
14 (0.55)
60 (2.36)
38 (1.50)
Port C L
Port C L
4 (0.16)
20 (0.80) 12 (0.47) 5 (0.20)
39 (1.54)
Port C L 18.6 (0.73)
51 (2.00)
6 (0.24)
Neck Mounting for B72, R72, V72, includes plastic panel nut Use 4 mm (5/32") screws to mount bracket to wall.
49 (1.93) 38 (1.50)
Bracket Kit Reference
Item Wall bracket Neck mounting wall bracket Quikclamp and Quikclamp wall bracket Part Number 4224-50 74316-50 4214-52
Port C L 4,4 (0.17)
30 (1.18)
Port C L
Service Kits
Item Service kit Type Relieving Non relieving Part Number 4381-500 4381-501
34 (1.34)
7 (0.28)
Service kit includes diaphragm assembly, valve assembly, valve spring and o-rings.
Warning
These products are intended for use in industrial compressed air systems only. Do not use these products where pressures and temperatures can exceed those listed under ‘Technical Data’. Before using these products with fluids other than those specified, for non-industrial applications, life-support systems, or other applications not within published specifications, consult NORGREN. Through misuse, age, or malfunction, components used in fluid power systems can fail in various modes. The system designer is warned to consider the failure modes of all component parts used in fluid power systems and to provide adequate safeguards to prevent personal injury or damage to equipment in the event of such failure. System designers must provide a warning to end users in the system instructional manual if protection against a failure mode cannot be adequately provided. System designers and end users are cautioned to review specific warnings found in instruction sheets packed and shipped with these products. Water vapor will pass through these units and will condense into liquid if air temperature drops in the downstream system. Install an air dryer if water condensation could have a detrimental effect on the application.
N/AL.8.160.200.04
Our policy is one of continuous research and development. We reserve the right to amend, without notice, the specifications given in this document.
74 (2.91)
59 (2.32)
4/98
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