Masoneilan High Performance Butterfly Control Valves


  • Size: 3" through 48" (80 through 1200 mm)
  • Ratings and Connections : Wafer and lug for mounting between flanges: ANSI 150 – 600
  • Body Materials :Carbon steel Stainless steel
  • Actuators :Model 96/97 pneumatic rack and pinion Model 34 scotch yoke cylinder
  • Trim :Double eccentric TFE, RTFE, and flexible metal seals offer Class IV (metal) or Class VI (PTFE / RTFE) shut-off
  • Inherent Characteristics :Equal percentage


Low torque, double offset disc improves control performance and reduces seal wear for longer operating cycles and reduced maintenance.

Applicable Industrie

Refining, Petrochemicals.

Key Applications :

Distillation, Hydroprocessing, Reforming, Cracking, Secondary, Blending, Quenching and Fractioning, Charge Gas Compression, Seperation.


Masoneilan 39004 Butterfly Valve Manual (English)

Manuals English 1.02 MB

Masoneilan 39004 Fact Sheet (English)

Tech Spec/Fact Sheet English 148.51 KB

Masoneilan 39004 Tech Spec (English)

Tech Spec/Fact Sheet English 452.93 KB

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