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NORMA FLEX E protective pipe coupling, W5, with EPDM seal, DN - 254 (250.0-256.0) [Code number: NR-0582-9300-254]

Article: NR-0582-9300-254

Application purpose:

  • For connecting metal and plastic pipes with high internal pressure

Special features:

  • Temperature range: -30 °C to +125 °C
  • Compensation of pipe gaps allows thermal elongation of the pipes
  • Joining all kind of pipe materials is possible, e.g. steel, plastic, cast iron, etc.

Material:

  • Sealing: EPDM
  • Strip insert: 1.4571/PA-GF
  • Protection ring: 1.4571
  • Lock bolt: 1.4571
  • Lock bars: 1.4404
DN (OD) OD min - OD max, mm PN WP C max a d H Screw Torque Weight
mm mm bar bar mm mm mm mm mm Nm kg/pc.
254.0 250.0 - 256.0 12.0 21.0 35 139 285 315 M 12 SW 10 25 4.8

PN (Nominal Pressure) is the max. admissible working pressure in shipbuilding, based on a safety factor of ≥ 4

WP is the max. working pressure in industrial applications, with a safety factor as per NORMA specification