Pressure regulator p1, p2, ΔPZSN1; ZSN3; ZSN5; ZSN7

Self-acting pressure regulators of inlet pressure, outlet pressure or pressure drop


Nominal diameters
  • DN 15 (½“) – DN 150 (6“)
Nominal pressure values
  • PN 10 – PN 40
  • Class 150 – Class 300
Design
  • self-acting pressure regulator of outlet pressure P2 – type ZNS1
  • self-acting pressure regulator of intlet pressure P1 – type ZNS3
  • self-acting pressure regulator of differential pressure ΔP – type ZSN5, type ZSN7
Operating temperature range
  • -30°C to +200°C
Flow characteristics
  • proportional
Flow coefficient Kvs
  • 1 – 320 [m3.h-1]
Leakage class (IEC 60534-4)
  • class IV
  • class VI
Body material
  • gray iron GJL 250 (GG25)
  • alloy steel GJS 400-18T(GGG-40.3)
  • carbon steel GP240 GH(1.0619), A216 WCB
  • stainless steel GX5CrNiMo 19-11-2 (1.4408)
Setting range [kPa]
  • 40 – 160
  • 100 – 400
  • 200 – 800
  • 280 – 1120
Maximum pressure drop
  • 1,2 MPa
Maximum pressure in actuator chamber
  • 2 MPa
Plug and seat material
  • stainless steel 1.4571
Connection
  • flanged

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