Product description
The Mark 39 is a motor-operated, three-way control valve that combines the performance of the Jordan sliding gate seat with the time-proven quality of the Honeywell industrial motor. Available for either diverting (Mark 3 9) or mixing (Mark 39MX) services, the Mark 39 utilizes two sets of seats to handle higher than usual pressure drops while maintaining ANSI Class IV shutoff. Heavy duty industrial grade motor - die cast magnesium housing, NEMA 3 (weather protection) rated, UL® listed and CSA approved.
Control valve MK39
Size
- 1/4″ through 2″ (DN8 through DN50);
- Mark 331/332: 1-1/2″ & 2″ (DN40 & DN50)
End Connections
- Threaded, Flanged
Body Material
- Carbon Steel, Stainless Steel, Ductile Iron, Bronze
Seat Materials
- Jorcote on SST (standard) Chrome Plated SST (Optional)
Power Requirements
- 24 VAC, 50/60 Hz (optional transformer required for 120 VAC)
Shutoff
- ANSI Class IV
Command Signals
- proportional control (0135 ohms); on-off control; current command (4-12, 4-20, 12-20 mA DC standard); voltage command 2-10 VDC
Features and Benefits
- Oil-immersed motor and gear train for long-term, reliable performance
- Sliding gate seats provide straight-through flow for reduced turbulence and quiet operation
- Short stroke for fast response and accurate regulation
- Easily interchangeable Cvs
- Tight shutoff
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