740-55 1 1/4
Discontinued - Replaced By: 740 055 FS 1 1/4
Part of the 740 Series
Ordering Code: 0383330
UPC: 098268019278
Lead Free: Not In Scope
1 1/4 In Iron Boiler Pressure Relief Valve, 55 psi, Expanded Outlets
This 1 1/4 inch boiler pressure relief valve is used in hot water space heating boiler applications to protect against excessive pressure on all types of hot water space heating boiler equipment. It consists of a iron body construction with expanded outlet drain connections for hot water space heating boilers, non-metallic disc-to-metal seating, stainless steel spring, and test lever. This valve offers large discharge capacity, resists corrosive water conditions, resists sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief and shall not be used as an operating control. Pressure is set at 55 psi (3.79 bar) with corresponding BTU/hr ratings of 3,315,000.
Features
- Spring loaded
- Soft seated
- Iron body
- Automatic reseating
Specifications | |
---|---|
Body Material | Iron |
Brand | Watts |
EAN | 098268019278 |
Inlet Connection Size | 1 1/4 IN |
Inlet Connection Type | Female Threaded |
Inlet Thread Type | NPT |
Lead Free | Not In Scope |
Maximum Working Pressure-PSI | 41 |
Outlet Connection Size | 1 1/2 IN |
Outlet Connection Type | Female Threaded |
Outlet Thread Type | NPT |
Part Number | 0383330 |
Pressure Range | 30 to 75 PSI |
Pressure Relief Setting-PSI | 55 |
Series | 740 |
Literature
-
- Flyer - Flood Detection for Relief Valves
- Installation Instructions - BMS Flood Sensor Retrofit Connection Kit for Relief Valve Discharge Line
- Installation Instructions - Tag for 174A, 335, 374A, 740, LF174A, M375
- Specification Sheet - 174A, 374, 740
- Specification Sheet - 174A, 374, 740 (French)
- Specification Sheet - 174A, 374, 740 (Spanish)
- Specification Sheet - Flood Sensor for Relief Valve Discharge Line
- Specification Sheet - Flood Sensor for Relief Valve Discharge Line (French)
- Specification Sheet - Flood Sensor for Relief Valve Discharge Line (Spanish)
- Specification Sheet - Relief Valve Flood Sensor Retrofit Connection Kit
- Specification Sheet - Relief Valve Flood Sensor Retrofit Connection Kit (French)
- Specification Sheet - Relief Valve Flood Sensor Retrofit Connection Kit (Spanish)