Protect fired and unfired hot water vessels against hazardous operating pressures.

Features and Benefits

Engineered in accordance with Section IV of the ASME boiler and pressure code for heating boilers with capacities certified by the National Board of Boiler and Pressure Vessel Inspectors.

Offer the highest BTUH ratings available on the market today for valves in their class (790,000 to 5,999,000 BTUH)

EPDM diaphragm operated (cast iron models) and diaphragm assisted (bronze models) have an effective area approximately 5 times greater than conventional “pop-type” ”relief valves to help overcome the effects of fouling.

Low differential between opening and closing pressures helps to prevent conditions under which system water might flash to steam and cause hammering

General Selection Tools:

  • ESP-PLUS for B&G Centrifugal Pumps, Booster Pumps, Pump Accessories, and Air Separator
  • ESP-PARTS for replacement parts selection
  • CAD Drawings for 2D and 3D dimensional drawings in many formats

Heat Exchanger Product Selection

Steam + Water Pressure Reducing Values

Sizing Tools:

Report Bugs/Request Enhancements
Please email the following address to report issues and request enhancements: ebusiness.support@xyleminc.com

Consult your local Bell & Gossett Representative for additional assistance.

Bell & Gossett is a leading manufacturer of pumps, valves, heat exchangers, and accessories for plumbing, wastewater, and HVAC—including steam and heat transfer—applications. To build and operate an efficient water system, you need both the right products and experts who know the application. Here, you can access Bell & Gossett’s trusted network of partners who have the experience you need to get the job done right.

To find a Bell & Gossett Representative in Canada select your Province: