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Pneumatic Lined Diaphragm Valve

Lined Valve Series

Pneumatic Lined Diaphragm Valve

Pneumatically actuated lined diaphragm configuration for remotely operated process isolation.

Nominal sizeDN15–DN200 (1/2–8 in); larger sizes by review
OperationPneumatic actuator; air supply, controls, and fail action by selection
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Technical Summary

Reference data for initial review

The values below summarize the available source catalogue. The approved project datasheet remains the final selection reference.

Nominal size
DN15–DN200 (1/2–8 in); larger sizes by review
Working pressure
Catalogue series envelope: 0.1 mbar to 16 bar; confirm selected size and lining
Temperature range
Catalogue series envelope: -29°C to +180°C; confirm selected lining and duty
Operation
Pneumatic actuator; air supply, controls, and fail action by selection
Reference standards
MSS SP-88 / HG/T 3704; API 598 / GB/T 13927 testing

Pneumatic configuration

The source catalogue illustrates the VF-MDDP60/PO series with a pneumatic actuator. Confirm air supply, control signal, required fail action, stroke indication, and cycling frequency against the process duty.

Design highlights

  • Weir-type shutoff with a reinforced diaphragm
  • Position indication and travel stops
  • Stem and upper internals isolated from the process medium
  • PFA, FEP, or PO lining options listed in the catalogue material table

Configuration review

Confirm diaphragm and lining compatibility, pressure-temperature limits, vacuum duty, and operating frequency. The catalogue technical summary lists DN15–DN200; its dimension table also includes larger sizes that require individual confirmation.

Source catalogue

Vantimond Lined Valve Series, PDF page 18. Pressure and temperature values describe the catalogue series envelope, not simultaneous ratings for every configuration.

Open the catalogue at this series

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