United Brass Works Model 18 Bronze OS&Y Gate Valve – UL Listed / FM Approved

The United Brass Works Model 18 is a bronze gate valve with screwed ends and an outside screw and yoke (OS&Y) rising stem. The rising stem shows at a glance whether the valve is open or closed, which is why OS&Y valves are used as control valves on sprinkler and standpipe lines. The valve is UL Listed and FM Approved at 175 lbs WOG, rated 200 WOG at 180°F maximum, 100% pressure tested, and carries MEA approval 255-93-E.

Key features

• Bronze body, bonnet and wedge with brass stem and yoke bushing
• Outside screw and yoke design with rising stem for visual position indication
• Threaded (screwed) ends in 1″, 1-1/4″, 1-1/2″ and 2″ sizes
• UL Listed / FM Approved at 175 lbs WOG
• Contains lead: not intended for potable water systems

Typical applications

Control and isolation valve on small-bore sprinkler risers, standpipe branches, fire pump test lines and zone control assemblies, where it can be monitored with an OS&Y supervisory (tamper) switch connected to the fire alarm panel.

Supply and support from AZEIDK

AZEIDK supplies this product in Saudi Arabia with technical selection, submittal preparation, installation, testing and commissioning, and annual maintenance through its engineering team, showrooms and warehouses in Jeddah, Riyadh and Dammam. Send your drawings, BOQ or specification to receive a technical and commercial offer.