Mark 80 Series – Self Operated
The Mark 80 Series is completely self-operated and requires no external power source or additional instrumentation to operate the valve.
Stainless steel seal-welded actuator (SWA) combined with the sliding gate seat design provides the finest temperature control available in self-operated valves.
High rangeability – Controls flows from 10% to 90% of rated capacity
Available with capillaries up to 100 feet in length
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
- Temperature ranges from -20°F to 450°F
- Type A bulb only
- Copper capillary