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Self-operated pressure regulating valve
  • Self-operated pressure regulating valve
  • Self-operated pressure regulating valve

Self-operated pressure regulating valve

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  • Description
  • Prameters
  • Equipment photos
DN(mm)20253240506580100125150200250300
rated flow coefficient  (Kv)(KV)7112030487512019030048076011001750
Rated stroke (mm)81014202540506070
nominal pressurePN(MPa)1.6、4.0、6.4

15~50、  40~80、  60~100、  80~140、 120~180、 160~220、

200~260、 240~300、 280~350、 330~400、 380~450、 430~500、
Pressure adjustment range (Kpa)480~560、 540~620、 600~700、 680~800、 780~900、 880~1000、

600~1500 、 1000~2500
Traffic characteristics
Adjustment accuracy ()±5

Operating temperature (℃)
≤350


Hard seal

Single seat: ≤10-4 valve rated capacity (grade Ⅳ); double seat, sleeve ≤5×10-3 valve rated capacity (grade Ⅱ)
Allowable leakage(l/h)


Soft seal
0.150.30.450.60.91.746.7511.111.6

(ml/h)


maximum
10

Decompression ratio
minimum1.25


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