56.OA01.2422S No Image The valve seat disc is

The valve seat disc is made of resilient EPDM to ensure a tight shutoff on steam or hot water systems

Robertshaw

and energy efficiency

and field service tool

the VU52 high pressure zone valves are used to control the flow of hot or chilled water in commercial HVAC equipment such as fan coil units

56.OA01.2422S No Image The valve seat disc isSafety relays with forced guided contacts are the core components for safety devices and are indispensable when designing safety circuits. Safety devices are designed to protect man and machine as demanded in OSHA CFR 1910 Regulations General Requirements for All Machinery, and which is a mandatory requirement of the European Machinery Directive EMD 2006 42 EC.