ASCO R298B642 – 2/2 NO, M36x2, G1/8 Pilot Connection, Stainless Steel Body, PEEK , Series R298 Pressure Operated Valve

Part Number: R298B642 Manufacturer: ASCO

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ASCO series R298 is a compact 2/2 NC-NO disc valve with a stainless steel body and threaded ports. The R298 series was ruggedly built to withstand use in scenarios where there would be; superheated water and steam is present (up to a maximum temperature of 240 degrees celsius), high ambient temperatures(up to a maximum of 180 degrees celsius) and corrosive environments.

  • Equipped with piston operator
  • Allowable backpressure of 20 bar
  • High-performance, maintenance-free stuffing box
  • Satisfies Pressure Equipment Directive 2014/68/EU, article 4.3

Additional information

Weight 3.5 kg
Body Material

Stainless Steel


Air, Gas, Liquids, Steam




2/2 NO

Orifice Size

20 mm

Flow Coefficient KV (m3/h)


Flow Coefficient KV (l/min)


Pilot Connection