Swing check valve CV-300B

for waterflangefire protection

Overview
This compact 4-inch swing check valve CV-300B provides reliable one-way water flow control for fire sprinkler systems. Designed to allow flow in the forward direction and prevent backflow, the valve can be installed vertically to permit upward flow. An arrow cast on the valve body indicates the correct flow direction. The included elastomer seal helps reduce leak risk.

Easy to Install
Rated for 300 psi working pressure, the CV-300B supports standard fire protection layouts. Align the cast arrow with the desired flow direction and install using grooved or flanged connections as required. The lightweight design simplifies handling during installation.

Features

• Reduces water hammer caused by flow reversal
• UL and C-UL Listed; FM Approved
• Compatible with Grinnell G-Fire grooved couplings or Figure 71 flange adapters
• Lightweight construction for easier installation

Listings and Sizes
Listings and approvals: UL and C-UL Listed; FM Approved
Sizes: 4 inch (DN100)

Technical specifications

• Pressure rating: 300 psi (20.7 bar)
• Size: 4 inch (DN100)
• Weight: 19.84 lbs (9 kg)
• Valve type: Swing check valve
• Seal: Elastomer seal to reduce leak risk
• Installation: Vertical installation permitted; arrow cast into body indicates flow direction; compatible with Grinnell G-Fire grooved couplings or Figure 71 flange adapters
• Approvals: UL and C-UL Listed; FM Approved