3-WAY SOFT-SEATED

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Valve Type: Globe

Function: 3-way / Directional/ Mixing / Drain

Action: N/C or N/O -based upon valve configuration

Actuation: Pneumatic

Pilot Range: 35-40 psi  (2.4-2.8 bar)

Sizes:  ½”-1 ¼”(DN 15 to DN 32)

Pressure Ratings: Up to 500 psi (34 bar)  

Temperature Ratings: -40°F to 450°F  (-40°C to 231°C)

Connection Style: Threaded (NPT/BSPT)

Seat Type: Soft Seat

Leakage Rate: ANSI/FCI 70-2 class VI

Cv: Maximum of 30.25

Media: Most process fluid types; gas, liquids and steam

  • Overview: The Durbin 500# series provides the rugged durability of traditional process control valves with the added benefits of modern technology and upgraded materials.  The valve is either normally open or normally closed, depending on how it is plumbed into your piping system.  


  • Materials of Construction: ​​The Durbin 500 psi series is constructed of stainless steel to protect against the damaging effects of corrosion .  All wetted components are constructed from corrosion resistant materials (CRAs) or are engineered plastic materials.

  • Application: This valve type can be used as a redundant valve, a mixing valve, a directional valve, or as a drain.  ​​With no pilot air applied, the valve is always closed from port 1 to Port 2.  Port 3 to 2 or Port 2 to Port 3 will be open.  With pilot pressure energized, flow is permitted between Port 1 and Port 2.  Port 3 will be closed off.   Whether it is high-temperature steam or low-temperature cooling water, the Durbin 500 psi series can handle the application with the reliability, durability and repeatability that customers desire.


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