Product description
The Mark 89 is used for diverting service and is ideal for bypassing fluids around coolers or filters. In this configuration, there is one inlet and two outlets. As one outlet closes, the other outlet opens, diverting flow from one channel to the other. The Mark 89MX is ideal for mixing service.
Temperature regulators MK89/89MX
Size
- 1-1/2″ – 2″ (DN40 – DN50)
Body Material
- Carbon Steel, Stainless Steel
End Connections
- Threaded, Socket Weld, Flanged
Cv (Kv)
- up to 30 (up to 25,8)
Seat Materials
- Jorcote
Control Range
- -20°F (-29°C) to 450°F (232°C)
Features and Benefits
- Three-way body for use on diverting service as a bypass valve (Mark 89) or for combining fluids as a mixing valve (Mark 89MX)
- Totally enclosed, heliarc welded stainless steel actuator for long service life
- Completely self-operated – No external power source required
- Sliding gate seats provide straight-through flow for reduced turbulence and quiet operation
- Short stroke for fast response and accurate regulation
- Easily interchangeable CV’s
- Tight shutoff
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