Pneumatic Pressure Valves

PNR4090 LP/HP

Specifications

Adjustment: Pneumatic with 2/2 way function

Basic position: Compressed air out = working pressure out

Working pressure: PNR4090 LP: max. 220 bar // PNR4090 HP: max. 400 bar

Debiet:         PNR4090 LP: max. 965 L/min // PNR4090 HP: max. 833 L/min

Connection dimensions:

Inlet: Flange plate

Pressure connection: Flange plate

Bypass: 2 1/2" internal thread

Drain pipe: DN 2 1/2"

Compressed air connection: 1/4" female thread

Material:

Membrane cylinder: Aluminium, anodized

Housing: Stainless steel 1.4307

Valve seat: 1.4057 hard metal coated (stellite)

Valve ball: 1.4007 hard metal coated (stellite)


Function:

  • The operating pressure is adjusted against the flow by means of a compressed air control valve.

  • The overflow water is discharged via the bypass.

  • The system is protected against overpressure.


    • Installation position: Random

    Weight: 37.0 kg


    Part number: PNR4090 LP: M40501047 // PNR4090 HP: M40501140


    Fits pumps: SR - TR Series


    Specifications

    Adjustment: Pneumatic with 2/2

    road function

    Basic position: Compressed air out = working pressure out

    Working pressure: PNR4090 LP: max. 220 bar

    PNR4090 HP: max. 400 bar

    Flow: PNR4090 LP: max. 965 L/min

    PNR4090 HP: max. 833 L/min

    Connection dimensions:

    Inlet: Flange plate

    Pressure connection: Flange plate

    Bypass: 2 1/2" internal thread

    Drain pipe: DN 2 1/2"

    Compressed air connection: 1/4" female thread

    Material:

    Membraancilinder:   Aluminium,

    anodized

    Housing: Stainless steel

    1.4307

    Valve seat: 1.4057 hard

    metal coated (stellite)

    Valve ball: 1.4007 hard

    metal coated (stellite)


    Function:

  • The operating pressure is adjusted against the flow by means of a compressed air control valve.

  • The overflow water is discharged via the bypass.

  • The system is protected against overpressure.


    • Installation position: Random

    Weight: 37.0 kg


    Part number:

    PNR4090 LP: M40501047

    PNR4090 HP: M40501140


    Fits pumps: SR - TR Series