RELIEVING REGULATORS |
| MCR07 LOW PRESSURE MINI REGULATORS |
Part No. |
NPT
(In) |
SCFM |
Body |
Standard
Pressure
Range |
Low Pressure Mini Regulators |
MCR07-12 |
1/8 |
14 |
Zinc |
5-125 |
MCR07-25 |
1/4 |
15 |
Mini Non Repairable Regulators |
MCR46-25 |
1/4 |
13 |
Zinc * * * |
5-125 |
General Purpose Regulators |
MCR73-25 |
1/4 |
91 |
Aluminum |
5-150 |
MCR73-33 |
3/8 |
144 |
MCR73-50 |
1/2 |
MCR07 Add “L” to Part Number Suffix for 1-10 PSIG Range
MCR46 Add “ L” to Part Number Suffix for 5-50 PSIG Range
MCR46 Add “H” to Part Number Suffix for 5-150 PSIG Range
MCR73 Add “L” to Part Number Suffix for 5-60 PSIG Range
MCR73 Add “H” to Part Number Suffix for 10-250 PSIG Range
“T” Handle Available for MCR73 Series |

MCR07
|
- Compact Design
- Full Flow 1/8 “ Gauge Port
- Low Torque Non Rising Adjusting Knob
- Snap Action Knob Locks Pressure Setting When Pushed In
- Can Be Disassembled Without Removal From the Air Line
- Recommended Gauge PSB15-XXX
- Maximum Pressure: 300 PSIG (20 bar)
- Operating Temperature: -34˚F to 150˚F
- Standard Pressure Range: 5-125 psig
- Optional Pressure Range: 1-10 psig
|
| MCR46 MINI NON REPAIRABLE |
MCR46
|
- *** Non Repairable Compact Design
- Choice of Left to Right, Right to Left Flow
- Relieving Piston Design Allows Reduction of Downstream Pressure When the System is Dead Ended
- 1/4” Gauge Port
- Recommended Gauge PSB20-XXX
- Maximum Pressure: 250 PSIG (17 bar)
- Operating Temperature: 30˚F to 150˚F
|
| MCR73 GENERAL PURPOSE |

MCR73
|
- Allows Reduction of Downstream Pressure When System is Dead Ended
- Balance Valve Design Minimizes Effect of Variation in the Inlet Pressure on the Outlet Pressure
- Optional Tamper Resistant Cover Available 4455-51
- Full Flow 1/4” Gauge Port
- Recommended Gauge PSB20-XXX
- Maximum Pressure: 300 PSIG (20 bar)
- Operating Temperature: -30˚F to 175˚F
|
| MID FLOW RELIEVING REGULATORS |
MCR74
|
- Allows Reduction of Downstream Pressure When the System is Dead Ended
- Balanced Valve Design Minimizes Effect of Changes in the Inlet Pressure on the Outlet Pressure
- Optional Tamper Resistant Cover Available 4355-51
- Full Flow 1/4” Gauge Ports
- 1/4” Gauge Port
- Recommended Gauge PSB20-XXX
- Maximum Pressure: 300 PSIG (20 bar)
- Operating Temperature: -30˚F to 175˚F
|
Part No. |
NPT
(In) |
SCFM |
Body |
Standard
Pressure
Range |
MCR74-33 |
3/8 |
208 |
Aluminum |
5-150 |
MCR74-50 |
1/2 |
220 |
MCR74-75 |
3/4 |
No Charge for Optional Pressure Ranges & T Handle
MCR74 Add “L” to Part Number Suffix for 5-60 PSIG Range
MCR74 Add “H” to Part Number Suffix for 10-250 PSIG Range
“T” Handle Standard with High Pressure Spring 10-250 PSIG Range |
| HIGH FLOW RELIEVING REGULATORS |
MCR17 3/4" - 1 1/2" |
Part No. |
NPT |
SCFM |
Body |
Standard
Pressure
Range |
MCR17-75 |
3/4 |
440 |
Aluminum |
10-250 |
MCR17-100 |
1 |
480 |
MCR17-125 |
1-1/4 |
400 |
MCR17-150 |
1-1/2 |
440 |
MCR18-200 |
2 |
2000 |
10-250 |
|

MCR17
|
- Quick Accurate Response to Changing Flow Demand and Line Pressure Variations
- Balanced Valve Minimizes Effect of Changes in Inlet Pressure on Outlet Pressure
- Allows Reduction of Outlet Pressure Even When System is Dead Ended
- Full Flow 1/4” Gauge Port
- Low Torque Non Rising Adjusting Knob
- Integral Locking Device on Knob Adjustment
- Can Be Serviced Without Removal From Air Line
- T Handle Standard 10-250 PSIG
|
MCR18 2" |

MCR18
|
- Includes Conventional Integral Pilot Regulator
- Quick Accurate Response to Changing Flow Demand
- Balanced Valve Minimizes Effect of Changes in Inlet Pressure on Outlet Pressure
- Constant Bleed Feature in Pilot Regulator Provides Quick Response & Minimum Dead –Band
- Exceptionally High Relief Flow
- Full Flow 1/4” Gauge Port
- Low Torque Non Rising Adjusting Knob
- Integral Locking Device on Knob Adjustment
|
MCR17 & MCR18 TECHNICAL DATA |
| |
- Recommended Gauge PSB20-XXX
- Max. Pressure
MCR17: 300 PSIG (20 bar)
- Max. Pressure
MCR18: 450 PSIG (31 bar)
- Operating Temperature:
30˚F to 175˚F
|