EZH and EZHSO Series Pressure Reducing Regulators

EZH and EZHSO Series Pressure Reducing Regulators Types EZH (Spring-to-Close) and EZHSO (Spring-to-Open) regulators are accurate pilot-operated, pressure balanced, soft-seated regulators. They are designed for use in high pressure natural gas transmission/city gate stations, large capacity distribution systems, and power plant feeds. They provide smooth, reliable operation, tight shutoff and long life.

Features

Long Life in Severe Service Applications
Main Diaphragm
Common Body Platform
Spring-to-Close and Spring-to-Open Versions
Bubble Tight Shutoff
Absolutely No Atmospheric Bleed
High Turn Down Capability
In-Line Maintenance
Noise Abatement Trim
Precise Pressure Control
Full Pressure Rating
Full Usable Capacity
O-Ring Design
Slam-Shut Protection

Available Configurations

Type EZH (Spring-to-Close): Pilot-operated pressure reducing regulator for low to high outlet presure.
Type EZHSO (Spring-to-Open): Pilot-operated pressure reducing regulator for low to high outlet pressure.
Type EZHOSX: Type EZH with a Type OS2 slam-shut device for overpressure (OPSO) or overpressure and underpressure (OPSO/UPSO) protection.
Type EZHSO-OSX: Type EZHSO with a Type OS2 slam-shut device for overpressure (OPSO) or overpressure and underpressure (OPSO/UPSO) protection.

Body Size and End Connection Styles

NPS 1 and 2 (DN 25 and 50)
- Main Valve Body Material: LCC or WCC Steel
- End Connection Styles: NPT or SWE, CL150 RF, CL300 RF, CL600 RF or BWE
NPS 3 (DN 80)
- Main Valve Body Material: LCC or WCC Steel
- End Connection Styles: CL150 RF, CL300 RF, CL600 RF or BWE
NPS 4 (DN 100)
- Main Valve Body Material: LCC or WCC Steel
- End Connection Styles: CL150 RF, CL300 RF, CL600 RF or BWE

Maximum Allowable Pressures

Inlet Pressure: 1500 psig (103 bar)
Outlet (Casing) Pressure: 1500 psig (103 bar)
Emergency Casing Pressure: 1500 psig (103 bar)

Outlet Pressure Range
7.3 to 1160 psig (0,5 to 80,0 bar) in nine ranges

Pressure Registration
External

Temperature Capabilities
-20° to 180°F (-29° to 82°C)

Approximate Weights
77 to 514 Pounds (35 to 234 kg) depending on body size and end connection style