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As the premier distributor of industrial valves, valve automation services and related piping and steam specialties in our region, we attribute our success to quality products, knowledgeable people, and service second to none. Erdmann has a wide variety of high-quality, high-tech products to meet your requirements. We back these products with knowledgeable, experienced, service-oriented people and we will provide timely and accurate responses to your needs.
All Categories > Products by Manufacturer > Velan Valves > Velan Memoryseal® Ball Valves > Item # UB-150/300  
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Item # UB-150/300, Unibody Regular Port Flanged Ball Valves

  • Exclusive Memoryseal™ seats compensate automatically for wear and fluctuations of pressure and temperature.
  • Unique 4-Way and 3-Way packing arrangements for superior stem sealing (refer to page 7 for details).
  • TA-Luft certified.
  • Multiple solid cup and cone type PTFE stem seal and graphite packing.
  • Stem guides prevent side thrust.
  • Long cycle life
  • Low, uniform torques.
  • Blowout-proof stem.
  • Fully enclosed PTFE body seal.
  • Metal-to-metal contact between insert and body act as secondary seal and prevents overcompression of the seats.
  • Pipe flange gasket acts as third precautionary seal as threads from the insert are within the raised face flange.
  • Meets worldwide specifications. Design ASME B16.34, BS 5351, API 608(2), fire tested to API 607 Rev. 4, BS 6755 and API 6FA. ISO/CAPI for all parameters of standardized valve automation.
  • Locking device standard for valves with lever handle.
  • Highest standards of quality.
    Over its 50 years of production activities Velan has earned a worldwide reputation for quality in design, manufacturing and valve performance.
APPLICATIONS: These rugged, versatile, high performance ball valves meet requirements for oil and gas pipeline service and can meet NACE specifications when required.

The valves can handle a vast variety of fluids, slurries, semi-solids and almost any corrosive service in chemical, petrochemical, oil, gas, pulp and paper, processing and other industries.

Technical Data




Ordering Information
(PDF, 36KB)