Lined Check Valve (Ball Type NRV)

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LINED CHECK VALVE (BALL TYPE NRV)

Dimensional Data

ANSI #150 FLANGED RF

SIZE L° (mm) ØD (mm) Pressure to Seat (PSI)$
DN15-1/2” 130 35 40
DN20-3/4”$ 120 35 27
DN25-1” 127 55 19
DN40-1 1/2” 165 73 19
DN50-2” 178* 92 18
DN80-3” 203* 127 15
DN100-4” 228* 157 15
DN150-6” 406 216 11
DN200-8” # 495 270 Consult
DN250-10” # 622 322 Consult
DN300-12” # 698 381 Consult

* As per BS EN 558-2, Series-3.
° Reduced Port Design
@ As per BS EN 558-2, Series-10.
$ Flange holes will be threaded. $ Pressure to Unseat for all sizes will be less than 1 PSI.
# Testing in accordance with BS 6755 (Part 1) as per D4.1 & D4.3, Limitation Para 2, Leakage Rate D Hydraulic Seat Test shall be provided @1.1 of max. differential pressure for soft seated Valves.

Specificaties

Body Material Options
  • Ductile Iron GGG40.3 / ASTM A395

  • Cast Steel ASTM A216 Gr.WCB

Lining materialen
  • PFA – ASTM D 3307
  • ANT. PFA – ASTM D 3307
  • FEP – ASTM D 2116
  • ETFE – ASTM D 3159
  • PVDF – ASTM D 3222
  • HDPE – ASTM D 3350