Loading…

Supervisory Tamper Switch OS&Y Gate Valve. FM Approved & UL Listed: Certified by FM and UL for reliability in fire protection systems. Tamper Switch Integration: Equipped with supervisory tamper switch for safety monitoring. Visible Status Indicator: Rising stem design allows remote open/closed status recognition. Corrosion Resistant Coating: Internal and external epoxy resin coating, thickness >300 microns. Durable Material Construction: Body and wedge made of GGG40/50 ductile iron with EPDM seal. Multiple Connection Options: Available in Flange, Socket, or Groove ended connections. Wide Size Range: Sizes available from 1 inch to 24 inches (DN50-600). Multi-Standard Compliance: Designed to DIN, BS5163, and AS2638.2 standards.