Marsh Bellofram PCD Division Miniature Air Regulators

Product catalog summary

Overview: This document provides technical specifications and features of various types of air regulators, specifically the Type 91, M1R, and M2R models. These regulators are designed for applications with limited space and low flow requirements.

Type 91 Features:

Compact and lightweight, suitable for low flow or dead-end service.
Available in standard or low bleed versions.
Corrosion-resistant anodized aluminum exterior.
Offers stability, repeatability, and self-relieving capabilities.
Operates up to 100 psi with a maximum supply pressure of 250 psi.

Type 91 Low Bleed Version:

Designed for applications requiring low air consumption.
Ideal for ink control, panel loading, handheld analyzers, and small cylinder operations.
Can be mounted through panel or pipe due to its lightweight.

M1R & M2R Features:

Modular design for easy service and interchangeability.
Includes Bellofram rolling diaphragms.
Non-rising adjustment knob with push-pull lock ring.
Compact and lightweight, competitively priced.

Type M1R:

Miniature air regulator with output pressure up to 120 psi and maximum supply pressure of 145 psi.
Available in 1/8" and 1/4" NPT port sizes.
Flow capacity up to 40 SCFM.

Type M2R:

Mid-sized version of M1R with similar pressure specifications.
Available in 1/4", 3/8", or 1/2" NPT port sizes.
Flow capacity up to 90 SCFM.

Technical Specifications:

Effect of supply pressure variation on outlet pressure is minimal across all models.
Exhaust capacity and flow capacity details provided for each model.
Materials include anodized aluminum, plated steel, brass, acetal, and engineered plastic.
Mounting options include pipe, panel, or bracket.

Ordering Information:

Detailed part numbers and options for different pressure ranges and port sizes.
Contact information for sales and applications in the USA and Europe.

Catalog excerpts

Marsh Bellofram PCD Division Miniature Air Regulators-1

mAIMI BELLOFRAM Miniature ulators & Subminiature Regulators ^ILOFRAM COBP «WELL, WV U.&*. TYPE 91 REG. FLOW - recision nrrol vices f BELLOFRAM COflP NEWELL. WV H.*-* TYPE «1 REG. «"mi nuc( n« ^ LW-BLԉEP IS092SS

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Marsh Bellofram PCD Division Miniature Air Regulators-2

TYPE 91 FEATURES • Designed for applications with limited space and for low flow or dead end service • Small package size and lightweight construction • Standard or low bleed versions available • Corrosion resistant anodized aluminum exterior • Excellent stability and repeatability • Self relieving • Low cost TYPE 91 The Type 91 Subminiature Regulator is a compact, low-cost unit which operates in pressure ranges up to 100 psi , with a maximum supply pressure of 250 psi. It provides dependable reliability and accuracy for low flow or dead end applications, but is not designed for critical flow...

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Marsh Bellofram PCD Division Miniature Air Regulators-3

TYPE 91 TYPE 91 TYPE M1 TYPE M2 Regulator Low Bleed Regulator Regulator Effect of Supply Pressure variation (25 psig) < 0.25 psig < 0.5 psig < 0.2 psig < 0.2 psig on Outlet Pressure (17.02 mBAR) (34.5 mBAR) (13.8 mBAR) (13.8 mBAR) Exhaust Capacity (5 psig 0.1–0.3 SCFM Typical 0.1–0.3 SCFM Typical <0.25 SCFM <0.25 SCFM above 20 psig set point) (2.8-8.5 LPM) (2.8-8.5 LPM) (<7 LPM) (<7 LPM) Max. Supply Pressure 250 psig (17.2 BAR) 150 psig (10.3 BAR) 145 psig (10.0 BAR) 145 psig (10.0 BAR) Flow Capacity at 100 psig 40 SCFM 90 SCFM (6.9 BAR) supply and 2.5 SCFM (71 LPM) 1.4 SCFM (40 LPM) (1130 LPM)...

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Marsh Bellofram PCD Division Miniature Air Regulators-4

BARBED FITTINGS: Port Size Part No. In/Out Port 1/16-27 NPT 622-000-007 Gauge Port 10-32 UNF 622-000-031 OPTION ORDERING MATRIX: Add three digits from table below to end of part number. Slotted Non Adj. Low OPTION Relieving Screw Bleed Non-Relieving 002 032 Slotted Adv. Screw 003 103 Low Bleed 010 LT0895 5m 12/02 SALES & APPLICATIONS 800.727.5646 fax:304.387.4417 www.marshbellofram.com IMPORTANT NOTICE: Our recommendations, if any, for the use of this product are based on tests believed to be reliable. The greatest care is exercised in the selection of our raw materials and in our manufacturing,...

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