W9 image
Product Brand
Seal Systems
About this product

The Flowserve W9 Series is compliant with API 682 4th Edition and designed to provide the quickest delivery and most competitive pricing while offering a wide range of popular instrumentation options. Pre-configured options include pressure transmitter and indicator, level transmitter and indicator, connection type and stands

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  • Covers a wide operating range with MAWP of up to 70 bar at-40°C to 204°C (1,020 psi @ -40°F to 400°F)
  • Ambidextrous seal connections for versatile piping connections and mounting locations
  • Available with NPT, socket weld and butt weld connection options for easy installation to preferred piping
  • Standard five-gallon size provides larger refill interval
  • Ready for simplified mounting on a standard square tube or I-beam stand, or choose a pre-configured stand
  • Designed in accordance with ASME VIII, Div 1 and PED
  • U Stamp available
  • Cooling coil included as standard in 316 SS material covers a wide variety of services
  • API 682 4th Edition
  • ASME VIII, Div 1
  • PED
  • U Stamp

Size Range: 5 gallons (standard)

Pressure Class Range: MAWP of up to 70 bar at-40°C to 204°C (1,020 psi @ -40°F to 400°F)


  • Cooling coil: 316 SS

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