Precision and Electronic Proportional Regulators
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Precision Regulators FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS AND/OR SYSTEMS DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY DAMAGE. This document and other information from Parker Hannifin Corporation, its subsidiaries and authorized distributors provide product and/or system options for further investigation by users having technical expertise. It is important that you analyze all aspects of your application including consequences of any failure, and review the information concerning the product or system in the current product catalog....

Precision Regulators Pneumatic Division Richland, Michigan www.parker.com/watts

Dial Regulators 1/4 Inch Ports 51R Dial Regulator – Relieving Features • Pressure Reference Indicating Dial Face • Non-rising, Pressure-adjustment Knob • Self-relieving • Full Pressure Adjustment in Less than One Full Turn • Recommended for Pilot-air Applications • Flow Capacity: 1/4" – 0.7 SCFM§ Port  Size Standard Pressure 5 to 160 PSIG (0,34 to 11 bar) 51R126RA § SCFM = Standard cubic feet per minute at 100 PSIG inlet, 90 PSIG no flow secondary setting, and 25 PSIG pressure drop. Bold Items are Most Popular.  For other models refer to ordering information below. Ordering Information Port...

51R Series Dial Regulators Technical Specifications – 51R Technical Information Secondary Pressure - PSIG 1/4 Inch Ports Primary Pressure 100 PSIG (6.9 bar) 0.2 REGULATOR PRESSURE ADJUSTMENT – The working range of knob adjustment is designed to permit outlet pressures within their full range. Pressure adjustment beyond this range is also possible because the knob is not a limiting device. This is a common characteristic of most industrial regulators, and limiting devices may be obtained only by special design. For best performance, regulated pressure should always be set by increasing the...

Dial Regulators 1/4, 3/8, 1/2 & 3/4 Inch Ports 52R Dial Regulator – Relieving Features • Balanced Poppet Design • Non-rising, Pressure-adjusting Dial • High-relief Flow (3/16" Relief Orifice) • Two 1/4" Gauge Ports • Piston Operated • Flow Capacity: 1/4" – 117 SCFM 3/8" – 180 SCFM§ 1/2" – 195 SCFM§ 3/4" – 220 SCFM§ Port  Size High Flow 5 to 160 PSIG (0,34 to 11 bar) Bold Items are Most Popular.  For other models refer to ordering information below. § SCFM = Standard cubic feet per minute at 100 PSIG inlet, (1/4, 1/2 & 3/4) 90 PSIG, (3/8) 80 PSIG no flow secondary setting, and 25 PSIG...

52R Series Dial Regulators Technical Specifications – 52R Technical Information Flow Characteristics Flow Characteristics 1/4 Inch Ports Primary Pressure 100 PSIG (6.9 bar) Secondary Pressure - PSIG Secondary Pressure - PSIG 3/8 Inch Ports Primary Pressure 100 PSIG (6.9 bar) 1/2 Inch Ports Primary Pressure 100 PSIG (6.9 bar) 0 3/4 Inch Ports Primary Pressure 100 PSIG (6.9 bar) 0 Secondary Pressure - PSIG Secondary Pressure - PSIG Flow Characteristics Flow - SCFM Flow - SCFM REGULATOR PRESSURE ADJUSTMENT – The working range of knob adjustment is designed to permit outlet pressures within...

Dial Regulators 3/4, 1 & 1-1/4 Inch Ports 53R Dial Regulator – Relieving Features • Balanced Poppet Design • Non-rising, Pressure-adjusting Dial. • High-relief Flow (3/16" Relief Orifice) 0.22 Dia. (5.6mm) • Two 1/4" Gauge Ports • Piston Operated. • Flow Capacity: 3/4" – 400 SCFM§ 1" – 650 SCFM§ 1-1/4" – 700 SCFM§ Port  Size High Flow 5 to 160 PSIG (0.34 to 11 bar) 53R426RA Bold Items are Most Popular.  For other models refer to ordering information below. § SCFM = Standard cubic feet per minute at 100 PSIG inlet, 90 PSIG no flow secondary setting, and 10 PSIG pressure drop. Ordering...

53R Series Dial Regulators Technical Specifications – 53R Technical Information Flow Characteristics Flow Characteristics 3/4 Inch Ports Primary Pressure 100 PSIG (6.9 bar) 80 Secondary Pressure - PSIG Secondary Pressure - PSIG 1 Inch Ports Primary Pressure 100 PSIG (6.9 bar) Flow - SCFM Air Flow Rate - dm n /s Flow Characteristics 53R626RA Secondary Pressure - PSIG 1-1/4 Inch Ports Primary Pressure 100 PSIG (6.9 bar) 80 REGULATOR PRESSURE ADJUSTMENT – The working range of knob adjustment is designed to permit outlet pressures within their full range. Pressure adjustment beyond this range...

Dial Regulators 1-1/2 & 2 Inch Ports 54R Dial Regulator – Relieving Features • Balanced Poppet Design • Non-rising, Pressure-adjusting Dial • High-relief Flow (3/16" Relief Orifice) • Two 1/4" Gauge Ports • Piston Operated • Flow Capacity: 1-1/2" – 1,600 SCFM§ 2" – 1,600 SCFM§. Port  Size High Flow 5 to 160 PSIG (0.34 to 11 bar) Bold Items are Most Popular.  For other models refer to ordering information below. § SCFM = Standard cubic feet per minute at 100 PSIG inlet, 90 PSIG no flow secondary setting, and 10 PSIG pressure drop Ordering Information Port Size 7 1-1/2 Inch 8 2 Inch...

54R Series Dial Regulators Technical Specifications – 54R Technical Information Flow Characteristics Secondary Pressure - PSIG 1-1/2 Inch Ports Primary Pressure 100 PSIG (6.9 bar) Secondary Pressure - PSIG 2 Inch Ports Primary Pressure 100 PSIG (6.9 bar) 80 Flow - SCFM Flow - SCFM REGULATOR PRESSURE ADJUSTMENT – The working range of knob adjustment is designed to permit outlet pressures within their full range. Pressure adjustment beyond this range is also possible because the knob is not a limiting device. This is a common characteristic of most industrial regulators, and limiting devices...