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Siemens Industry, Inc.

Powers

™

Controls

Technical Instructions

Document No. 155-137P25

RV 201-2

March 8, 2005

RV 201 Pressure Reducing Valve

Description

The RV 201 Pressure Reducing Valve (PRV) is a diaphragm-operated regulator

designed for precision control of air supply pressure to pneumatically operated

equipment.

Features

• Instant response to sudden volume demands with negligible pressure drop.

• Supply pressure variations do not affect the stability of the reduced pressure.

• Built-in air relief feature makes it an excellent regulator for dead-end service.

• Die-cast aluminum with internal parts of brass.

Product Number

201-1000 PRV (with mounting bracket).

Specifications

Air connections

In and out 1/4” NPT

Outlet gauge ports

“L” plug 1/4” NPT

“R” reducing bushing 1/4” to 1/8” NPT

Maximum inlet pressure 250 psi (1724 kPa)

Reduced pressure range 3 to 60 psi (21 to 414 kPa)

Factory setting 18 psig (124 kPa)

Operating temperature range 40 to 120°F (4 to 49°C)

Capacity 8 cfm with pressure drop of 1 psi

Stability with variations in inlet pressures

from 25 to 100 psi (172 to 690 kPa)

the reduced pressure deviation is

approx. 0.5 psi (3.4 kPa)

Summary of content (4 pages)

PAGE 1
Technical Instructions Document No. 155-137P25 RV 201-2 March 8, 2005 Powers™ Controls RV 201 Pressure Reducing Valve Description The RV 201 Pressure Reducing Valve (PRV) is a diaphragm-operated regulator designed for precision control of air supply pressure to pneumatically operated equipment. Features • Instant response to sudden volume demands with negligible pressure drop. • Supply pressure variations do not affect the stability of the reduced pressure.
PAGE 2
Technical Instructions Document No. 155-137P25 March 8, 2005 Specifications Mounting and Installation Material Diaphragm Disc Built-in relief for dead-end service Weight Dimensions Buna-N Buna-N Approx. 3 psi (21 kPa) differential 2 lb (0.9 kg) See Figure 1 • Install a shut-off valve ahead of all equipment. It is recommended that a filter be installed directly ahead of the PRV. • Install the PRV as near as practical to the point of use or to the equipment it is supplying.
PAGE 3
Powers ™ Controls RV 201 Pressure Reducing Valves Technical Instructions 155-137P25 March 8, 2005 Service To obtain best efficiency and longest periods of trouble-free service, the air supply must be kept clean. Use a filter ahead of the PRV. Clean the filter periodically. Replacement of Diaphragm See Table 2. Replacement of Inner Valve Repair Parts 1. Release spring tension by turning adjusting screw (1) counterclockwise. 2.
PAGE 4
Technical Instructions Document No. 155-137P25 March 8, 2005 Figure 1. Dimensions of the Pressure Reducing Valve and Mounting Bracket. Dimensions in Inches (Millimeters). Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and models as design improvements are introduced. Powers is a registered trademark of Siemens Industry, Inc. Other product or company names mentioned herein may be the trademarks of their respective owners.