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PTM 4

Both valves brought out on one side with the vent valve angled, for a hook-up with clearance on three faces.

A manifold

PTM 4

Two valve manifold is designed in a single block with female screwed inlet and outlet port combining isolation valve and vent / calibration valve. Generally used on static pressure transmitters, switches or gauges.

PTM 4 brings both valves out on the same side of the block and angles the vent valve, which leaves the other three faces clear. Process connections are 1/2" NPT (F) and 1/4" NPT (F), instrument connections 1/2" NPT (F) and 1/4" MPT (F) as printed, and the drain / vent is 1/4" NPT (F).

A drain plug is available as an option, as is a three piece union for positioning the gauge. Two mounting bolts to IS 1364-1960 are supplied with the manifold.

Max working pressure
up to 620 kg/cm² body / 413 kg/cm² seat (hydrostatic test)
Body materials
A 105, A 182 / A 479 Gr F 304SS, A 182 / A 479 Gr F 316SS, Monel, Hastelloy
Thread systems
NPT
Heat-code traceable · 100% tested

Features

  • Both valves on one side, vent valve angled
  • Process 1/2" NPT (F) or 1/4" NPT (F)
  • Instrument 1/2" NPT (F) or 1/4" MPT (F)
  • Drain / vent 1/4" NPT (F)
  • Option: drain plug, three piece union for gauge positioning

Applications

  • Static pressure transmitter hook-ups in confined space
  • Pressure switch isolation
  • Gauge isolation and calibration
Max working pressure
up to 620 kg/cm² body / 413 kg/cm² seat (hydrostatic test)
Thread systems
NPT
Body materials
A 105, A 182 / A 479 Gr F 304SS, A 182 / A 479 Gr F 316SS, Monel, Hastelloy
Temperature
PTFE gland packing as standard; Graphoil above 180 °C
Testing
Hydrostatic body 620 kg/cm², seat 413 kg/cm²; pneumatic seat 40 kg/cm², at 25 °C

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