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
• Available Configurations
• Body Size and End Connection Styles
• Maximum Allowable Pressures
• Outlet Pressure Range
• Pressure Registration
• Temperature Capabilities
• Approximate Weights
• Additional Technical Data

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

Additional Technical Data

For additional technical information, contact your local Sales Office or refer to technical documentation.