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Motorized Carbon Steel LL Type Four Way Ball Valve

Motorized Carbon Steel LL Type Four Way Ball Valve

    The YFL LL type four way ball valve is mainly used in bidirectional water supply system of power station to switch the mode of water supply by rotates the ball 90 degree.

    The YFL T type three way ball valve can interlink all three channels. It is mainly use to achieve bypass flow, interflow and full open of three channels.

    The L type can only interlink the two channels which are mutually orthogonal. It is mainly used to change the flow direction.

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  • Features
  • Specification

  • The YFL LL type four way ball valve has four channels around the integral body, when rotates the ball by 90 degree, the near two channels are connected;
  • It can replace four valves used to switch the mode of water supply, simplify the procedure, convenient for operation, reduce the cost, good synchronization;
  • The YFL T type or L type three way ball valve is used to cut off, distribute and change the direction of medium;
  • No friction when open or close, small operate torque for three way ball valve;
  • Small fluid resistance, excellent seal performance, long service life;
  • Locking device ensures safe operation;
  • Floating ball and trunnion mounted ball structure;
  • Soft seal and metal seal structure;
  • Side entry and top entry structure;
  • Emergency sealant injection;
  • Fire safe, anti-static and anti-blowout stem design;
  • Optional extended stem for underground installation.

T-Type three way ball valvesfour way ball valves working principleFour way ball valves drawing

Product range:

  • Size: 1/2"12" (DN15300)
  • Pressure rating: Class 150300 (PN16PN40)
  • End connection: RF RTJ BW
  • Body materials: WCB LCB CF8 CF8M etc.
  • Ball materials: F304 F316 F304L F316L etc.
  • Seat materials: PTFE RPTFE NYLON PPL PEEK or metal to metal seal etc.
  • Operation: Bare stem wrench gear electric pneumatic electro-hydraulic gas over oil actuator

Technical standards:

  • Design: DIN 3357/ 1 ASME B16.34
  • Face to Face: DlN 3202 JlS B2002 ASME 16.10
  • BW ends: ASME B16.25 ASME B31.8
  • Flanged ends: ASME B16.5  DIN 3202 JIS B2002
  • Wall thickness: ASME B16.34
  • Fireproof test: API 607 API 6FA
  • Test and inspection: DlN 3230/ 3 API 598 JIS B 2003
  • Pressure and temperature rating: ASME B16.34
  • Materials: NACE MR 01-75