API Plan 53A

In Plan 53A there is a pressurized external barrier fluid reservoir supplying clean fluid to the barrier fluid seal chamber. The barrier liquid is maintained at a pressure greater than seal chamber pressure.

Advantages:

  • Self-contained process fluid
  • Zero emissions

 

Applications:

  • Hazardous fluids
  • Toxic fluids
  • Heat transfer fluids
  • Abrasive or polymerizing fluids
  • Used with dual pressure seals
  • High vapor pressure fluids, light hydrocarbons
  • Mixers agitators and vacuum mechanical seals

 

Note

Plan 53 is usually chosen over Plan 52 for dirty, abrasive, or polymerizing products which would either damage the seal faces or cause problems with the buffer liquid system if Plan 52 were used. Use the STB TS-9/TS-12 for better operating conditions.

API Plan 53A

TS-9-16

The Thermosiphon TS-9 is designed for the barrier fluid supply for mechanical seals. The main application areas are single mechanical cartridge seal with integrated throttle bush or double mechanical cartridge seals.

    • Volume: max. 9 liters (2.38 gallons)
    • Material: 1.4571
    • Temperature: -30°C (-22°F) up to +120°C (248°F) *
    • Pressure area: max. 16 bar (232 psi)*

    *higher on demand

  • Flowmeter
  • Level switches
  • Thermometer (digital or analog)
  • Pressure gauge (digital or analog)
  • Pressure accumulator
  • Additional filters
  • Stands
  • Glass pipe
TS-9

Additional informationen

Also available as Plan 52 without pressure

TS-12-16

The Thermosiphonystem TS-12 has a high volume for the barrier fluid supply for mechanical seals and additionally has a higher pressure range. It is available with a variety of options, like an integrated cooling coil, which has a higher cooling capacity.

  • Volume: max. 12 liters (3.17 gallons)
  • Material: 1.4571
  • Temperature: -30°C (-22°F) up to +120°C (248°F) *
  • Pressure area: max. 16 bar (232 psi)*

 

*higher on demand

  • Flowmeter
  • Cooling coil
  • Level switches
  • Thermometer (digital or analog)
  • Pressure gauge (digital or analog)
  • Pressure accumulator
  • Additional filters
  • Stands
  • Circulation pump (BEH-830)
  • Backfeed pump
  • Flange
STB TS-12-16

Additional informationen

53B with pressure

NSE 53

Designed especially for mechanical seals in high pressure surroundings, where an interruption of the barrier fluid is not allowed. These backfeed systems are designed to supply many mechanical seal support system or a number of mechanical seals by only one system. Over the past years, these types of systems have shown in field, to increase the lifetime of mechanical seals heavily.

Barrier fluid:

  • oil
  • water

 

Base module:

  • Volume 65 l (17.17 gallons) Stainless steel tank
  • Advance dosing membrane pump with IEC motor (up to 80 bar/1160 psi)
  • check valve
  • Pressure gauge (analog)
  • relief valve
  • pressure switch (electr.) with IO-Link
  • input filter
  • level indicator
  • vessel volume 250 l (66.04 gallons)
  • level switches
  • Thermometer (digital or analog)
  • Pressure gauge (digital or analog)
  • Pressure accumulator
  • Additional filters
  • Heat exchanger
  • Control system can be integrated
NSE 53

Plug & Play

This product is designed to be ready to use with any system

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