SSBJ Wet Alarm Check Valve 4″ SSBJ-300

$ 1,194Each

Lead Time: 8 Weeks

Ex-Works: USA


Key Features

  • UL/FM approved for certified fire protection applications

  • Adjustable working pressure between 200–300 PSI for operational flexibility

  • Epoxy-coated surfaces provide enhanced corrosion resistance

  • Supports multiple international flange and groove standards

  • Designed for upright sprinkler installations in wet pipe systems

Description

SSBJ Wet Alarm Check Valve 4″ SSBJ-300

The SSBJ 4″ Wet Alarm Check Valve SSBJ-300 is a UL/FM approved fire protection valve designed for upright sprinkler installations in wet pipe systems. It ensures reliable one-way water flow while activating an alarm during sustained sprinkler discharge. Engineered for dependable performance in commercial and industrial fire fighting systems, this valve features epoxy-coated internal and external surfaces for corrosion resistance and long-term durability. Delivered in a secure wooden box, it is built to meet stringent international standards and operational reliability requirements.


Specifications

Specification Details
Manufacturer SSBJ
Product Type Wet Alarm Check Valve
Part Number SSBJ-300
Function Backflow prevention and alarm activation in wet pipe sprinkler systems
Application Fire fighting systems, upright sprinkler wet pipe installations
Size 4 inch
Working Pressure 300 PSI (adjustable 200–300 PSI)
Pressure Rating Class 125 / Class 150 / PN16 (depending on flange standard)
Standards (Flange) ASME/ANSI B16.1 Class 125, ASME/ANSI B16.42 Class 150, BS EN1092-2 PN16, GB/T9113.1
Groove Standards AWWA C606 / ISO 6182-12
Temperature Range 4°C to 70°C
Nozzle Flow Coefficient 115
Coating Epoxy coating (interior and exterior), electrostatic spray applied
Installation Options Indoor or outdoor, customizable gong installation height
Packaging Delivered in secure wooden box
Mounting Flanged or grooved installation
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