GD-45 Direct-Acting Pressure-Reducing Valves


For steam, air and non-corrosive gases

The GD-45 is a compact, high-performance direct-acting valve.
Inexpensive to buy and use, it is ideal for those moderate-flow
applications that do not justify the higher cost of pilot-controlled
valves. The GD-45 is well suited for laundry and dry-cleaning equipment,
hospital equipment, tire molds, humidifiers, small heaters and
applications in food processing.

Quick, easy installation

  • Lightweight and compact
  • Constructed of ductile iron for greater durability and higher inlet pressure
  • Screwed connections
  • No external sensing lines or parts required
  • Maximum turndown ratio 10:1
  • ANSI Class IV

Simple selection

  • 1/2″, 3/4″ and 1″ (15, 20 and 25 mm) sizes
  • Match pipe size normally
  • Three pressure-range springs (Use smaller range spring for best control when ranges overlap.)

Long life and easy maintenance

  • Highly resilient phosphor-bronze bellows-style diaphragm
  • Hardened stainless steel working parts
  • Integral strainer (removable for cleaning) for protection from wear or dirt
  • Teflon gaskets used at all joints for improved leakage prevention

Download Center

Product Literature 

Installation and Maintenance 

Submittal Drawing 
GD-45 Direct-Acting Pressure-Reducing Valves

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