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Approvals: ASME Section VIII, Division 1: “UV” Stamp
ASME Section VIII, Air/Gas and Liquids “VR” Certification



9100 SERIES THREADED AND FLANGED
Mercer Valve 9100 Series threaded and flanged safety relief valves are the "State of the Art" in soft seat, high flow rate, pressure relieving devices. The field-proven soft seat is coupled with new, unique disk type PATENTED DESIGN. Expected seat life is hundreds of "pops". Full length guiding of "low rate" set pressure springs insures accurate, repeatable relief action.

9100 Series Threaded             9100 Series Flanged      
Orifice sizes: C to K                 Orifice sizes: C to M

Mercer Safety Relief Valve / Mediums: Air, gas and liquid

Mercer Safety Relief Valve / Applications: Compressors, separators, heater treaters, scrubbers, dehydrator, free water knockouts, thermal relief, gas production units, transmission and gathering lines, meter runs, gas plants, chemical plants and other industrial applications.

Features and Benefits:

• Auto Seat Technology®.
• Fully guided disk and mechanical stop controls safety relief valve lift.
• Consistent set pressure allowing repeatable uses without repair or resetting.
• Unique low rated and fully guided spring design.
• Non-rising stems allowing valves to be installed in small areas. 
• Open, Close, Seat and Seal™.
• Built in accordance with the requirements of ASME Boiler and Pressure Vessel Code. Sec. VIII Div 1.

Data Sheet Product Page

Data Sheet     Product Page

9100 SERIES MODEL 20
Mercer Valve 9100 Model 20 Series safety relief valves are the state of the art in soft seat, high flow rate, pressure relieving devices. This unique design was developed especially for the emerging CNG and other high pressure applications.

Orifice: C and D

Mercer Safety Relief / Valve Mediums: Air, gas and liquid.

Mercer Safety Relief / Valve Applications: CNG and other high pressure applications.

Features:

• Expected seat life with Auto Seat Technology® is hundreds of "pops.
• Full length guiding of "low rate" set pressure springs insures accurate, repeatable relief action.
• ASME gas and liquid certified and is built in accordance with the requirements of the ASME Boiler and Pressure Vessel Code.
• Capacity ratings were established by testing performed at the National Board of Boiler and Pressure Vessel Inspectors, Columbus, Ohio.

Data Sheet Product Page

                                                                                                                                                                  
                                                                                                                                                      
9500 SERIES SNAP PILOT / MODULATING
The 9500 Series is an industrial service safety relief valve that sets higher standards for the safety relief valve industry.

Orifice Sizes: D to T

Full Bores Option: 1-1/2" to 8"

Mercer Safety Relief Valve / Mediums: Air and gas

Mercer Safety Relief Valve / Applications: Ideal for protecting air and gas pipelines, compressors and vessels.

Features:

• Designed with Auto Seat Technology®.
• Consistent Set Pressures allowing repeatable uses without repair or resetting.
• Open, Close, Seat, and Seal™.
• Low rated and fully guided springs allow for more consistent set pressures.
• Built in accordance with the requirements of ASME Boiler and Pressure Vessel Code, Section VIII, Div. 
• Non-rising stems allowing safet relief valve to be installed in small areas.

Data Sheet  Product Page

Data Sheet Product Page

8100 SERIES
Mercer Valve 8100 Series safety relief Valves are the "State of the Art" in soft seat, high flow rate, pressure relieving devices. The field-proven soft seat is coupled with a new, unique disk type PATENTED DESIGN. Expected seat life is hundreds of "pops". Full length guiding of "low rate" set pressure springs ensures accurate, repeatable relief action.

The safety relief valve is well suited for all industrial air, gas, and liquid relief applications, including compressors, separators, transmission and gathering lines, gas production units, heater treaters, scrubbers, and other production processes.

All 8100 Series safety relief valves are built in accordance with the requirements of the ASME Boiler and Pressure Vessel Code. Capacity ratings were established by testing performed at the National Board of Boiler and Pressure Vessel Inspectors, Columbus, Ohia.
         

Data Sheet Product Page

For more information or assistance on Mercer safety relief valves, please contact us or send an email to valves(at)pressureandsafetysystems.com.au.