Distributor to Industry, Inc.
Distributor to Industry, Inc.
Mailing Address:
1017 East Murdock Street
Wichita, Kansas 67214
Phone: 800.835.2838
Toll-Free: 316.263.9511
E-Mail: sales@trydti.com
Website: www.distributorinc.wpengine.com
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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 linemore
Unit of Measure

Specifications

Old Part #

 P -064955-00002 P-064955-2 P064955-2 P-64955-2 P64955-2

Pipe Size

 1/2"-14 Hydraulic piloted 300 psi max-Air inlet 150 psi max

Model Designation

 4-S

Weight

 2 lb10 oz

Type

 3 way pilot operated pressure control

Maximum Supply Pressure

 250 psi

Maximum Pilot Pressure

 250 psi

Ratio-Pilot To Delivery

 1:1 standard; others noted below.

Temperature Range

 -20 to 160 ºF

Media

 Air or inert gas

Pilot Port Size

 1/4" NPT

Body Port Size

 1/4" and 1" as noted below

Hysteresis

 Less than 5 psi.

Materials

Body Material

 3/4" and 1" die cast aluminum 3/8" & 1/2" die cast zinc

Diaphragm Material

 Nylon reinforced HYCAR

Other Material

 Anodized aluminum or plated

Dimensions

A

 3 9/16 in.

B

 3 1/4 in.

C

 3 1/4 in.

D

 4 1/2 in.

E

 4 1/16 in.

F

 2 1/4 in.

G

 1 11/32 in.

H

 1 5/8 in.

I

 2 7/8 in.

J

 11/16 in.

K

 15/32 in.