Valve Type: Globe

Function: 2-way/3-Way

Action: Normally Closed/Normally Open

Actuation: Pneumatic

Pilot Range: 40-100 psi  (2.8-6.9 bar)

Sizes: ¼”-1½”(DN 6 to DN 40)

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) & Flanged (B16.5)

Seat Type: Soft Seat

Leakage Rate: ANSI/FCI 70-2 class VI

Cv: Maximum of 29.7

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


The Durbin Piston Top Series (PSI) provides the rugged durability of traditional process-control valves with the added benefits of modern technology and upgraded materials.  The complete stainless steel design makes corrosion concerns nonexistent and uses an engineered thermoplastic seat seal to provide a positive shutoff even after years of service.   Whether you need normally open or normally closed,  2-way isolation or 3-way directional, traditional connections or manifold style,  the Durbin PSI series has an option for your needs. Select the valve type to the right to learn more.

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