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708DP Series Double Packing Control ValveBrand: LowFlow Valve
Mark 708DP Series The Mark 708 with double packing is an alternative to a bellows stem seal and is used when standard packing will not adequately contain the controlled media.
The optional bonnet features a double packing arrangement separated by a lantern ring.
With a double packed bonnet, lubricant is pumped into the packing sets, supplying a tight seal similar to that provided by a bellows stem seal.
The double packed bonnet is an excellent choice when service conditions could cause damage to a bellows assembly.Features
- Ideal for applications where service conditions can damage a bellows assembly.
- Features standard bonnet port for use in lubricating the packing for added protection against leakage or for use as a detection port for monitoring potential fugitive emissions.
- For use in R & D, pilot plants and low flow process applications.