Catalog

Features
Reliability - Automatically sustains pressure directed by the pilot line on a 1 to 1 ratio (optional ratios shown below). The balanced internal valve functions to relieve excess pressure, or to maintain pressure against demand. Rubber seated valves provide zero leakage.

Installation Versatility - Operates in any position. May be supported by piping alone or by a mounting bracket. The IN and OUT ports are plainly marked on the body.

Ease of Maintenance - The valve may be serviced without disturbing line connections. All parts are accessible by removing top cover. No special tools are required.

Large Capacity - Designed with minimum valving to provide maximum flow (see graph).

Modern Construction - All materials are corrosion resistant. The sturdy die cast body contains wrench flats for ease of installation. Ports have dry seal pipe threads (suitable with standard pipe thread).

Positive Seals - Packing rings are located at all critical points in the assembly to eliminate internal and external leakage.

Application
The "S" Relay Valve is a pilot-operated, 3-way, pneumatic pressure control valve with open exhaust. The large capacity of this valve makes it an ideal volume booster. It receives pressure signals from a remote control valve and repeats this pressure with a greater rate of flow to the component being controlled. The valve serves to speed response time between sending and receiving stations in a pneumatic circuit which involves long piping runs or branch circuits. Where the controlled component is not in a readily accessible location, remote piloting provides a solution.
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Item #

Old Part #

Pipe Size

Model Designation

Weight

Sort by
N/A P -055161-00000 P055161 P-055161 P55161 P-55161 N/A 1/2"-14 N/A 4-S N/A 2 lb4 oz
N/A P 055160 P -055160-00000 P 55160 P055160 P55160 N/A 3/8"-18 N/A 3-S N/A 2 lb6 oz
N/A P -055163-00000 P055163 P-055163 P55163 P-55163 N/A 1"-11 N/A 8-S N/A 2 lb7 oz
N/A P -065671-00001 P-065671-1 P065671-1 P-65671-1 P65671-1 N/A 1/2"-14 Multifunction (2:1 ratio) N/A 4-S N/A 2 lb10 oz
N/A P -055162-00000 P055162 P-055162 P55162 P-55162 N/A 3/4"-14 N/A 6-S N/A 2 lb10 oz
N/A P -064955-00002 P-064955-2 P064955-2 P-64955-2 P64955-2 N/A 1/2"-14 Hydraulic piloted 300 psi max-Air inlet 150 psi max N/A 4-S N/A 2 lb10 oz
N/A P -062243-00000 P062243 P-062243 P62243 P-62343 N/A 1/2"-18 Reducing 3:1 N/A 2-S N/A
N/A P -062243-00001 P-062243-1 P062243-1 P-62243-1 P62243-1 N/A 3/8"-18 Reducing 3:1 N/A 3-S N/A
N/A P -027257-00000 P027257 P-027257 P27257 P-27257 N/A 1/2"-18 Adjustable N/A 2-S N/A
N/A P -027450-00000 P027450 P-027450 P27450 P-27450 N/A 3/4"-14 Multifunction (2:1 or 3:1) N/A 6-S N/A
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