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Fluid Controls

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Remote Mounting 5 RM3

The third remote-mounted five-valve block, with separate drain / vent connections on a different body form to 5 RM1.

A manifold

Remote Mounting 5 RM3

Model 5 RM3 carries two process isolation valves, one equaliser valve and two drain / vent valves on separate connections, in one compact block, for remote mounting away from the differential pressure instrument on tube or pipe impulse lines.

It shares 5 RM1's valve set and separate drain connections; the body form differs, so choose between them on how the manifold has to sit rather than on what it does.

Dimensions are for the standard 54 mm (2 1/8 in) instrument connection centre distance, which is what most instruments use. The manifold is also made for other centre distances — 55 mm, 56 mm and 57 mm — with dimensions to suit; ask for those. Process and instrument connections are 1/2" NPT (F) and the drain / vent is 1/4" NPT (F). A test port on the process side with a plug is available as an option. Two mounting bolts to IS 1364-1960 are supplied.

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

  • Model 5 RM3 — separate drain / vent connections
  • Two process isolation valves, one equaliser, two drain / vent valves
  • For instruments mounted remotely on impulse lines
  • Process 1/2" NPT (F), instrument 1/2" NPT (F), drain / vent 1/4" NPT (F)
  • Option: test port on the process side with plug
  • Accessory: mounting bolts 2 nos

Applications

  • Remote-mounted differential pressure transmitters
  • DP flow and level measurement
  • Field installations on impulse lines
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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