Valve Finder

Underground ball valve

Series 157, welding / welding, EN (DIN), full bore, DN 150-400, PN 25

DN 150-400

Materials

Body
DN 150-350: Steel, P235GH (1.0345)
DN 400: Steel, P355 NL1 (1.0566)/ GP240GH (1.0619)
Ball
DN 150-400: Stainless steel, X5CrNi18-10 (1.4301)
Ball seal
DN 150-400: PTFE+C
Stem
DN 150-400: Stainless steel, X8CrNiS18-9 (1.4305)
Stem seal
DN 150-400: FPM
Top of Stem
DN 150-400: Stainless steel, X5CrNi18-10 (1.4301)

Mounting

welding / welding, EN (DIN)

Operation

DN 150-400
free shaft

We recommend angle gear operation for sizes DN 150 and larger.

Operating conditions

Temperature
-20 °C - +200 °C
Leakage rate
A (EN 12266-1)

Below -20 °C contact manufacturer. Lowest allowed ambient temperature -40 °C.

DN 150-400
water area
Steam area (not allowed)
short-term working area

Dimensions

DN 150-400
DN 150-300
DN 350-400
DNPNProduct no.DD1D2D3D4H1H2H3LSKg
15025157150/S/F12150.0168.3273.076.135490.04063343504.536
20025157200/S/F14200.0219.1355.688.940525.04163274005.062
25025157250/S/F16250.0273.0419.0101.650571.04343415305.098
30025157300290.0323.9508.0114.350603.04403296865.6167
35025157350340.0355.6610.0168.370680.05023507626.3308
40025157400390.0406.0660.0178.090720.05163509147.1582

Product number conversions

Product no.Old Naval No
157150/S/F1223469405
157200/S/F14
157250/S/F16
15730023469705
15735023469805
15740023469905

Technical documentation for the product

  1. Certificates

    1. Declaration of Conformity

      Declaration of Conformity

      PDF
    2. EPD HUB 2146 VexveSteelBallValves 2024 12 17

      EPD HUB 2146 VexveSteelBallValves 2024 12 17

      PDF
  2. Operation manuals

    1. Underground ball valves, installation, operation and maintenance manual

      Underground ball valves, installation, operation and maintenance manual

      PDF
    2. Ball valve kv values chart

      Ball valve kv values chart

      PDF
    3. Underground ball valves, coupling dimensions

      Underground ball valves, coupling dimensions

      PDF
    4. Ball valve operating torques

      Ball valve operating torques

      PDF