ASME Safety Relief Valves
Bell & Gossett cast iron and bronze body ASME Safety Relief Valves are engineered in accordance with the requirements of Section IV of the ASME Boiler & Pressure Vessel Code for Heating Boilers, and their capacities are certified by the National Board of Boiler and Pressure Vessel Inspectors. B&G diaphragm operated cast iron, and diaphragm-assist operated bronze ASME Safety Relief Valves, are designed to protect fired and unfired hot water vessels against overpressure conditions.
Information:
- Bell & Gossett Pressure Reducing Valve Technical Brochure
- Bell & Gossett ASME Safety Relief Valve Submittal Sheet
- Bell & Gossett ASME Safety Relief Valve Instruction Manual
Bell & Gossett diaphragm operated cast iron and diaphragm-assist operated bronze ASME Safety Relief Valves are designed to protect fired and unfired hot water pressure vessels against over-pressure conditions. These valves feature a unique failsafe disc with sufficient area to permit the valves to maintain their safety relief function in the event of a diaphragm rupture. These valves are designed, manufactured, tested and labeled in accordance with the requirements of Section IV of the ASME Boiler and Pressure Vessel code. They are offered in a wide range of capacities to permit a close match with the boiler output rating.
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181725 McDonnell & Miller Relief Valve 250-3/4-100
McDonnell & Miller
$184.95181725 McDonnell & Miller Relief Valve 250-3/4-100. Features and Benefits: For tanks and hydronic heating systems Protects against over-pressure Minimizes hammering with flash steam Low differential pressure – 3 psi (.21 kg/cm2) between...$184.95 -
110127 Bell & Gossett 790-125 Relief Valve
Bell & Gossett
$257.95110127 Bell & Gossett 790-125 Relief Valve. Bell & Gossett 3/4" Relief valve set @ 125 PSI. Image is generic. Image is generic. This Item Usually Ships The Same Day!$257.95 -
181905 McDonnell & Miller Relief Valve 250-3/4-60
McDonnell & Miller
$184.95181905 McDonnell & Miller Relief Valve 250-3/4-60. Features and Benefits: For tanks and hydronic heating systems Protects against over-pressure Minimizes hammering with flash steam Low differential pressure – 3 psi (.21 kg/cm2) between...$184.95 -
181525 McDonnell & Miller Relief Valve 250-3/4-50 - 3/4" NPT
McDonnell & Miller
$184.95181525 McDonnell & Miller Relief Valve 250-3/4-50 - 3/4" NPT. Features and Benefits: For tanks and hydronic heating systems Protects against over-pressure Minimizes hammering with flash steam Low differential pressure – 3 psi (.21...$184.95 -
110757 Bell & Gossett 790-80 ASME Safety Relief Valve
Bell & Gossett
$194.95110757 Bell & Gossett 790-80 ASME Safety Relief Valve. Bell & Gossett 3/4" inlet and 3/4" outlet" Relief valve @ 80 PSI. Image is generic. This Item Usually Ships The Same Day!$194.95 -
110754 Bell & Gossett 790-60 ASME Safety Relief Valve
Bell & Gossett
$194.95110754 Bell & Gossett 790-60 ASME Safety Relief Valve. Bell & Gossett 3/4" inlet and 3/4" outlet" Relief valve @ 60 PSI. Image is generic. This Item Usually Ships The Same Day!$194.95 -
110120 Bell & Gossett 790-15 ASME Safety Relief Valve
Bell & Gossett
$252.95110120 Bell & Gossett 790-15 ASME Safety Relief Valve. Bell & Gossett 3/4" Relief valve set @ 15 PSI. Image is generic. This Item Usually Ships The Same Day!$252.95 -
181625 McDonnell & Miller Relief Valve 250-3/4-75
McDonnell & Miller
$184.95181625 McDonnell & Miller Relief Valve 250-3/4-75. Features and Benefits: For tanks and hydronic heating systems Protects against over-pressure Minimizes hammering with flash steam Low differential pressure – 3 psi (.21 kg/cm2)...$184.95 -
110752 Bell & Gossett 790-40 ASME Safety Relief Valve
Bell & Gossett
$194.95110752 Bell & Gossett 790-40 ASME Safety Relief Valve. Bell & Gossett 3/4" inlet and 3/4" outlet" Relief valve @ 40 PSI. Image is generic. This Item Usually Ships The Same Day!$194.95 -
181225 McDonnell & Miller Relief Valve 250-3/4-30
McDonnell & Miller
$184.95181225 McDonnell & Miller Relief Valve 250-3/4-30 Relief Valve 3/4" NPT Features and Benefits: For tanks and hydronic heating systems Protects against over-pressure Minimizes hammering with flash steam Low differential pressure – 3...$184.95 -
110759 Bell & Gossett 790-90 ASME Safety Relief Valve
Bell & Gossett
$194.95110759 Bell & Gossett 790-90 ASME Safety Relief Valve. Bell & Gossett 3/4" inlet and 3/4" outlet" Relief valve @ 90 PSI. Image is generic. This Item Usually Ships The Same Day!$194.95 -
110758 Bell & Gossett 790-85 ASME Safety Relief Valve
Bell & Gossett
$194.95110758 Bell & Gossett 790-85 ASME Safety Relief Valve. Bell & Gossett 3/4" inlet and 3/4" outlet" Relief valve @ 85 PSI. Image is generic. This Item Usually Ships The Same Day!$194.95 -
110763 Bell & Gossett 790-115 ASME Safety Relief Valve
Bell & Gossett
$194.95110763 Bell & Gossett 790-115 ASME Safety Relief Valve. Bell & Gossett 3/4" inlet and 3/4" outlet" Relief valve @ 115 PSI. Image is generic. This Item Usually Ships The Same Day!$194.95 -
110755 Bell & Gossett 790-65 ASME Safety Relief Valve
Bell & Gossett
$194.95110755 Bell & Gossett 790-65 ASME Safety Relief Valve. Bell & Gossett 3/4" inlet and 3/4" outlet" Relief valve @ 65 PSI. Image is generic. This Item Usually Ships The Same Day!$194.95 -
110750 Bell & Gossett 790-20 ASME Safety Relief Valve
Bell & Gossett
$194.95110750 Bell & Gossett 790-20 ASME Safety Relief Valve. Bell & Gossett 3/4" inlet and 3/4" outlet" Relief valve @ 20 PSI. Image is generic. This Item Usually Ships The Same Day!$194.95 -
110764 Bell & Gossett 790-120 ASME Safety Relief Valve
Bell & Gossett
$194.95110764 Bell & Gossett 790-120 ASME Safety Relief Valve. Bell & Gossett 3/4" inlet and 3/4" outlet" Relief valve @ 120 PSI. Image is generic. This Item Usually Ships The Same Day!$194.95 -
110756 Bell & Gossett 790-70 ASME Safety Relief Valve
Bell & Gossett
$194.95110756 Bell & Gossett 790-70 ASME Safety Relief Valve. Bell & Gossett 3/4" inlet and 3/4" outlet" Relief valve @ 70 PSI. Image is generic. This Item Usually Ships The Same Day!$194.95 -
110753 Bell & Gossett 790-55 ASME Safety Relief Valve
Bell & Gossett
$194.95110753 Bell & Gossett 790-55 ASME Safety Relief Valve. Bell & Gossett 3/4" inlet and 3/4" outlet" Relief valve @ 55 PSI. Image is generic. This Item Usually Ships The Same Day!$194.95 -
110751 Bell & Gossett 790-25 ASME Safety Relief Valve
Bell & Gossett
$194.95110751 Bell & Gossett 790-25 ASME Safety Relief Valve. Bell & Gossett 3/4" inlet and 3/4" outlet" Relief valve @ 25 PSI. Image is generic. This Item Usually Ships The Same Day!$194.95 -
181405 McDonnell & Miller Relief Valve 250-3/4-40
McDonnell & Miller
$184.95181405 McDonnell & Miller Relief Valve 250-3/4-40. Features and Benefits: For tanks and hydronic heating systems Protects against over-pressure Minimizes hammering with flash steam Low differential pressure – 3 psi (.21 kg/cm2) between...$184.95 -
110762 Bell & Gossett 790-110 ASME Safety Relief Valve
Bell & Gossett
$194.95110762 Bell & Gossett 790-110 ASME Safety Relief Valve. Bell & Gossett 3/4" inlet and 3/4" outlet" Relief valve @ 110 PSI. Image is generic. This Item Usually Ships The Same Day!$194.95 -
110760 Bell & Gossett 790-95 ASME Safety Relief Valve
Bell & Gossett
$194.95110760 Bell & Gossett 790-95 ASME Safety Relief Valve. Bell & Gossett 3/4" inlet and 3/4" outlet" Relief valve @ 95 PSI. Image is generic. This Item Usually Ships The Same Day!$194.95 -
110761 Bell & Gossett 790-105 ASME Safety Relief Valve
Bell & Gossett
$194.95110761 Bell & Gossett 790-105 ASME Safety Relief Valve. Bell & Gossett 3/4" inlet and 3/4" outlet" Relief valve @ 105 PSI. Image is generic. This Item Usually Ships The Same Day!$194.95 -
181425 McDonnell & Miller Relief Valve 250-3/4-45
McDonnell & Miller
$184.95181425 McDonnell & Miller Relief Valve 250-3/4-45. Features and Benefits: For tanks and hydronic heating systems Protects against over-pressure Minimizes hammering with flash steam Low differential pressure – 3 psi (.21 kg/cm2) between...$184.95 -
181325 McDonnell & Miller Relief Valve 250-3/4-36
McDonnell & Miller
$184.95181325 McDonnell & Miller Relief Valve 250-3/4-36. Features and Benefits: For tanks and hydronic heating systems Protects against over-pressure Minimizes hammering with flash steam Low differential pressure – 3 psi (.21 kg/cm2) between...$184.95