682-53B
Product Brand
Flowserve
Type
Seal Systems
SubType
Accumulators - Bladder
About this product

The 682-53B seal system is Flowserve’s most popular solution for dual mechanical seal barrier fluid systems. Designed to meet the rigorous demands of the oil and gas, refinery and petrochemical industries, it is optimized for value and reliability. Also, it can be assembled regionally with shorter lead times.

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  • Butt-welded piping
  • Class 600 flanged connections
  • Large 35 L (10 gallon) bladder accumulator with carbon steel shell and high-duty offshore paint (optional 316 stainless steel shell available)
  • Stainless steel stand with multiple seal cooler mounting heights
  • Fixed-alarm strategy
  • Sunshades included as standard
  • Optional instrumentation trim packages
  • API 682 4th Edition
  • EN10204-3.1
  • Piping spools per ASME B31.3 with CRN
  • Accumulator per ASME VIII.1 with PED and CRN
  • MAWP 85.4 bar at 93°C (1240psi at 200°F)
  • MAWP 70.3 bar at 204 °C (1025 psi at 400°F)
  • MDMT -40 °C at 99.3 bar (-40 °F at 1440 psi)

Materials

Accumulator: Carbon steel shell with Buna bladder, 316 stainless with Buna bladder

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