Knife gate valve TJR

manualshut-offfor water

Overview
This OS&Y gate valve by TJR combines a lightweight ductile iron body with an EPDM‑encapsulated wedge to provide reliable shut‑off for fire protection systems. The outside screw and yoke design gives a clear visual indication of gate position: the rising stem shows whether the valve is open or closed, aiding operation and maintenance.

Key Features

• Multiple end connection configurations: flange‑to‑flange, flange‑to‑groove, groove‑to‑groove
• Corrosion‑resistant components
• Ductile iron wedge gate, fully encapsulated with EPDM rubber
• UL and C‑UL Listed, FM Approved, Russian Certified

Benefits

• Lightweight: Ductile iron body weighs substantially less than conventional cast iron valves, simplifying handling and reducing shipping costs.
• Easy installation: Tapping bosses for upstream and downstream connections and the reduced weight speed up site installation.
• Durability: Corrosion‑resistant parts and robust wedge encapsulation extend service life in fire protection networks.

Product Data (table)
Listings and Approvals: UL and C‑UL Listed, FM Approved, Russian Certified
Sizes: 2 inch to 16 inch (DN50 to DN400)

Technical specifications

• Listings and Approvals: UL and C‑UL Listed, FM Approved, Russian Certified
• Maximum Working Pressure: 2 inch to 12 inch (DN50 to DN300): 300 psi (20.7 bar); 14 inch (DN350) and 16 inch (DN400): 250 psi (17.2 bar)
• Sizes: 2 inch to 16 inch (DN50 to DN400)
• Valve Type: Gate valve, Outside Screw & Yoke (OS&Y)