Water pressure relief valve RV-1A

diaphragmin-linepilot-operated

Overview
Pilot-operated valve designed to maintain system pressure by relieving excess water pressure. The RV-1A is built on the DV-5A valve body and uses a simple diaphragm trim with a single moving part to simplify maintenance and ensure reliable operation. No air bleeding of the diaphragm is required.

Key data

• Listings and Approvals: UL and C-UL Listed, FM Approved
• Pressure Rating: 300 psi (20.6 bar)
• Sizes: 2 in to 8 in (DN50 to DN200)
• Factory-set pressure (trim): approximately 175 psi

Features

• Pilot-operated design for stable pressure control
• In-line serviceable construction
• Simple diaphragm trim using DV-5A body
• Connection options: groove x groove and flange x flange

Benefits

• Reduced maintenance — single moving part minimizes wear and simplifies servicing.
• Install-ready — factory assembled and pre-trimmed for immediate installation.
• Proven track record — Tyco® products have been used in protection systems for over a century.

Technical specifications

• Valve type: Pressure Relief Valve
• Pressure rating: 300 psi (20.6 bar)
• Factory-set pressure (trim): ~175 psi
• Trim: diaphragm design; single moving part; DV-5A valve body
• Service: in-line serviceable
• Connections: groove x groove, flange x flange
• Approvals: UL and C-UL Listed, FM Approved