1" Test & Drain Valve with Pressure Relief (UL/FM)

Overview

This 1" Test & Drain Valve with integrated Pressure Relief is designed for wet fire sprinkler systems on multi-story installations requiring pressure relief per NFPA 13/13R. It combines test and express drain functions in a compact, single-handle assembly and includes tamper-resistant test orifice and sight glasses.

Key Features

• UL Listed and FM Approved for fire protection applications.
• Compact, single-handle ball valve for easy operation.
• Tamper-resistant test orifice and dual sight glasses.
• Rated to 300 PSI (20.7 bar).
• Relieves excess system pressure from surges or temperature changes.
• Shipped with relief valve and bypass drain ports plugged to speed pressure testing.

Compliance

• Meets NFPA 13 and NFPA 13R requirements for systems needing pressure relief.
• UL/FM approvals.

Specifications

• Size: 1" (NPT)
• Pressure Rating: 300 PSI
• Weight: 3.5 lb (each)
• Reference SKU: 6520181-PRV

Typical Applications

• Wet fire sprinkler risers on multi-story buildings
• Test and express drain service with integrated pressure relief

What’s Included

• Test & Drain valve body with single-handle ball valve
• Factory-installed pressure relief valve and drain tube assembly
• Ports shipped plugged for expedited system pressure testing

California Prop 65

WARNING: This product can expose you to chemicals recognized by the State of California to cause cancer or reproductive harm. See www.P65Warnings.ca.gov for more information.