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GOLTENS GENERAL SUPPLIES

OS&Y Valves

Outside stem and yoke gate valves for visible open/closed system control.

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Overview

OS&Y (outside stem and yoke) valves make a system's open/closed status visible at a glance from the stem position — a common requirement at fire protection system control points. We source them to your required diameter and connection type.

Features

Rising stem gives a clear visible open/closed indication

Flanged or grooved end connections

Optional supervisory tamper switch for monitored systems

Applications

System control valves at pump rooms and risersSupervised isolation points on sprinkler systemsUnderground fire main sectional valvesAny control point requiring at-a-glance status verification

Technical Information

Physical

Size range

Typically DN50 – DN300 (2" – 12")

Performance

Pressure class

Typically rated to Class 150 – 300 / PN16 – PN25

Configuration

Stem

Outside stem and yoke, rising with valve position

Standards

Standards

Typically listed to UL / FM for fire protection service

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Related Sector

Fire Protection Systems & Safety Solutions

We supply complete fire protection equipment, systems and certified components for government projects, industrial facilities, hospitals, universities, commercial buildings and infrastructure projects.

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