Harwood Engineering Company, Inc.
Hydraulically-Operated Release Valves
For Pressures to 200,000 psi
Features
Service for gases and liquids
Replaceable seats and plunger
Hydraulic Control Pressure: 1000 - 1500 psi
Hydraulic Control Ports - ¼ NPT
Options
Stainless steel valves for water service
Custom design valves for special service
Pressure Rating, psi*
Inlet Port**
Release Port
Valve Part #
Inside Diameter of Seat, inches
Dimensional Length
, inches
200,000
12H
¼ NPT
D-2454-12H
1
/
8
9
125,000
5M
¼ NPT
D-2454-5M
1
/
8
8
11
/
16
100,000
4L
¼ NPT
D-2454-4L
1
/
8
7
7
/
8
100,000
8L
¼ NPT
D-2454-8L
1
/
8
8
1
/
8
60,000
6L
¼ NPT
D-2454-6L
1
/
8
8
*Pressure rating applies to the inlet port
**High pressure ports per Harwood Engineering standard
Harwood Engineering Company, Incorporated – © May, 1999
455 South Street, Walpole, Massachusetts 02081
phone: 508-668-3600
fax: 508-660-2276
http://www.ultranet.com/~harwood/
email
: harwood@ma.ultranet.com