55L-60 Pump Casing Relief Valve UL Listed & FM Approved
55L-60 Pressure Relief Valve – Pump Casing Relief Valve
The Model 55L-60 Pressure Relief Valve is designed for fire
pump casing pressure relief applications. It helps manage excess pressure in
compatible fire pump systems through adjustable pressure settings, supporting
safe and reliable system operation.
The 55L-60 Pump Casing Relief Valve is available in multiple
threaded NPT connection sizes, pressure adjustment ranges, and material options
to meet different fire protection engineering requirements.
Key Features
- Designed
for fire pump casing pressure relief
- Maximum
working pressure: 300 PSI (20.7 bar)
- Multiple
adjustable pressure ranges
- Threaded
NPT connections
- Multiple
material construction options
- FM
Approved and UL Listed
Technical Specifications
|
Specification |
Details |
|
Model |
55L-60 |
|
Product Type |
Pressure Relief Valve |
|
Application |
Pump Casing Relief |
|
Connection Sizes |
1/2", 3/4", and 1" |
|
Connection Type |
Threaded NPT |
|
Maximum Working Pressure |
20.7 bar (300 PSI) |
|
Temperature Range |
Water, Air: Up to 82°C (180°F) |
|
FM Adjustment Ranges |
0–75, 20–200, 20–300 & 100–300 PSI |
|
UL Adjustment Ranges |
10–75, 20–200, 20–300 & 100–300 PSI |
|
Approvals |
FM Approved, UL Listed |
Available Materials
- Cast
Bronze – UNS C87850
- Standard
Stainless Steel – ASTM A743-CF-16F
- Monel
- Super
Duplex Stainless Steel
Pressure Adjustment Ranges
FM Approved:
- 0–75
PSI
- 20–200
PSI
- 20–300
PSI
- 100–300
PSI
UL Listed:
- 10–75
PSI
- 20–200
PSI
- 20–300
PSI
- 100–300
PSI
Applications
- Fire
pump installations
- Fire
pump casing pressure relief
- Fire
protection pump rooms
- Commercial
fire protection systems
- Industrial
firefighting installations
Why Choose Pacific Tech & Engineering Ltd.?
Pacific Tech & Engineering Ltd. provides fire protection
products and engineering solutions in Bangladesh. We support commercial,
industrial, and institutional projects with fire pump accessories, valves, and
firefighting system components.
Contact our team for 55L-60 pressure relief valve availability, technical specifications and project quotations.
The 55L-60 Pressure Relief Valve, also known as a Pump Casing Relief Valve, is designed for pressure relief applications in fire pump systems. It features threaded NPT connections, multiple adjustable pressure ranges, and a maximum working pressure of 300 PSI (20.7 bar). Available in bronze, stainless steel, Monel, and super duplex stainless steel materials. FM Approved and UL Listed.
Application details will be updated soon.
Product features will be updated soon.