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Three-way ball valve - 4 seats, KM 93

Products >> Three-way ball valves

Application

Three-way ball valve is isolating valve designed to redirect the service fluid flow. It is not designed to be used for throttling or regulating purposes. For temperatures from −50 °C to +200 °C.

Suitable for water, steam, gas, oil, crude oil, acid, alkali and other liquids and gases without mechanical impurities.

Approved for fluids in groups 1 (hazardous) and 2 according to 2014/68/EU.

Production range

  • DN 10 – DN 150, PN 16 – PN 250
  • NPS ½″ – NPS 6″, Class 150 – Class 1500

Characteristics

  • floating ball,
  • full bore,
  • anti-static design,
  • stem secured against release (anti-blow-out),
  • ball bore form of either “L” or “T”,
  • flow direction unlimited,
  • double stem sealing,
  • sealed with O-rings – NBR, EPDM, FPM (FKM), HNBR, FFKM.

Operation

  • hand lever,
  • hand wheel with worm gear,
  • pneumatic actuator,
  • electric actuator.

Connection to piping

  • internal thread (KM 9301.X-02) – G (BSPP), NPT, R (BSPT), Rp
  • weld end (KM 9303.X-02) – butt or socket – EN, API, GOST
  • wafer (KM 9307.X-02) – EN, API, GOST
  • flanged (KM 9308.X-02) – EN, API, GOST

Flow directions

The flow possibilities are shown on the schemes, other possibilities can be discussed by phone.

Compliance with standards

  • European standards:
    • EN 1983, EN 12516–1, EN 1092–1, EN 17292,
    • EN 558–1 series 1 or not standardised, EN 12982 series 68,
    • DIN 3357 or not standardised,
    • EN 228–1,
    • EN ISO 80079–36 (ATEX) – II 1G Ex h IIB T6…T1 Ga,
  • American standards:
    • API 608, ANSI B 16.5, ANSI B16.25, ANSI B 1.20.1,
    • ANSI B 16.10 or not standardised,
  • international standards:
    • EN ISO 5211,

Testing

  • EN 12266–1, leakage rate A – zero leakage,
  • API 598, or acc. to API 6D – zero leakage.

Materials

  • standard: S355J2, A350 LF2, 1.4541, 1.4571,
  • upon request: P265GH, 1.4306, 1.4462, 1.7335 , and other.

Optional accessories, adjustments and services

  • different face-to-face dimensions or end combinations,
  • adaptation of face form (Groove, Tongue, Spigot, Recess, O-ring groove, RTJ),
  • connection for actuator according to ISO 5211,
  • heating jacket – for keeping the fluid liquid,
  • lockable handle with a padlock,
  • extended stem – e.g. for the reason of insulation of the valve and pipeline,
  • limit switches,
  • documentation according to EN 10204 3.2,
  • special adjustments according to customer requests,
  • design according to standard NACE MR 0175 or ISO 15156 for fluids with hydrogen sulfide (H2S),
  • design according to API standards,
  • ball bore LL (X).
  • design for application in potentially explosive atmospheres according to the directive 2014/34/EU (ATEX):
    • I M1 Ex h I Ma,
    • II 1G Ex h IIC T6…T1 Ga,
    • II 1D Ex h IIIC TX °C Da.

Type designation


Ball valves|Three-way valves|

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