Description
Overview
The Kunkle Valve 0537-D01-AHM0150 is a heavy-duty ASME Section IV certified pressure relief valve engineered for hot water boiler and steam system applications. With a 3/4″ Female NPT inlet and 1″ Female NPT outlet, this valve delivers reliable overpressure protection at a factory-set 150 PSI, making it an ideal safety solution for residential and light commercial hydronic heating systems.
Key Features
- Factory set pressure: 150 PSI
- Rated capacity: 3,972 lb/h (PPH) steam / 3,971,876 BTU/h
- Inlet connection: 3/4″ Female NPT
- Outlet connection: 1″ Female NPT
- Body material: Bronze (B584 alloy)
- Seat material: 8440 alloy
- Spring material: Stainless Steel (SST)
- Certification: ASME Section IV (Hot Water Boiler / Steam)
Construction & Materials
The 0537-D01-AHM0150 features a durable bronze body constructed from B584 alloy for excellent corrosion resistance in steam and hot water environments. The 8440 alloy seat provides a reliable, leak-tight seal under repeated cycling, while the stainless steel spring ensures consistent set-pressure performance over the life of the valve. This robust construction is designed to withstand the demanding conditions of boiler room applications.
Certifications & Compliance
- ASME Section IV certified for hot water boiler and steam service
- Designed and tested to meet applicable boiler safety codes
Typical Applications
- Hot water heating boilers
- Low-pressure steam boilers
- Hydronic heating systems requiring ASME-rated overpressure protection
- Commercial and residential boiler installations
Specifications Summary
- SKU: 0537-D01-AHM0150
- Brand: Kunkle Valve
- Set Pressure: 150 PSI
- Capacity: 3,972 PPH (3,971,876 BTU/h)
- Inlet: 3/4″ Female NPT
- Outlet: 1″ Female NPT
- Body: Bronze, B584 Alloy
- Seat: 8440 Alloy
- Spring: Stainless Steel
- Standard: ASME Section IV
- Service: Steam / Hot Water Boiler
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