Valve Finder

Underground ball valve

Series 157/SL, welding / welding, EN (DIN), full bore, DN 25-300, PN 25

DN 25-125

Materials

Body
DN 25-300: Steel, P235GH (1.0345)
Ball
DN 25-300: Stainless steel, X5CrNi18-10 (1.4301)
Ball seal
DN 25-300: PTFE+C
Stem
DN 25-80: Stainless steel, X8CrNiS18-9 (1.4305)
DN 100-125: Stainless steel, X17CrNi16-2 (1.4057)
DN 150-300: Stainless steel, X8CrNiS18-9 (1.4305)
Stem seal
DN 25-300: FPM
Top of Stem
DN 25-300: Stainless steel, X5CrNi18-10 (1.4301)

Mounting

welding / welding, EN (DIN)

Operation

DN 25-125
available with a T-key
DN 150-300
available with portable planet gear

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 25-300
water area
Steam area (not allowed)
short-term working area

Dimensions

DN 25-300
DN 25-125
DN 150-300
DNPNProduct no.DD1D2D3D4H1H2H3LS1S26K16K2Kg
2525157025/SL25.033.760.333.736386.036934115004.02.6197
3225157032/SL32.042.470.033.736400.037935015004.52.6199
4025157040/SL40.048.376.133.736406.038235315003.62.6199
5025157050/SL50.060.3101.642.436415.038434915004.02.91913
6525157065/SL65.076.1121.042.436425.038634915005.02.91919
8025157080/SL80.088.9146.060.360449.040535415004.03.22722
10025157100/SL100.0114.3177.860.360454.039734415006.33.62739
12525157125/SL125.0139.7219.160.360476.040634515006.34.02752
15025157150/SL150.0168.3273.076.1517.043234915007.14.5509092
20025157200/SL200.0219.1355.688.9560.045035015007.15.05090140
25025157250/SL250.0273.0457.0101.6610.047335015008.85.05090198
30025157300/SE290.0323.9508.0139.7636.047435118008.85.65090257

Other stem heights also available.

Technical documentation for the product

  1. 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