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Sampling Systems

Double Coil Sample Cooler

Chemical Double Coil Sampling Cooler

The Dopak double coil, bucket type sample cooler is an effective and efficient heat exchanger where
higher flow is required. Standard tube side material of the sample cooler is SS316/316(L).
Other material is available on request.

Features double coil, bucket type sample cooler:
• Double helical coil design
• Easy cleaning
• Retained shell side gasket reduces re-assembly time
• A wide variety of exotic alloys is available for corrosion resistance

Specifications double coil, bucket type sample cooler:
Part number 2018691
Description Dopak sample cooler
Connection process 1/4“ tube
Connection coolant in 3/4” F NPT
Connection coolant out 1/2” F NPT
Tube/shell material SS316 (L)

Maximum allowable working pressure (Coil):290 bar@350 °C
Minimum design metal temperature (Coil):-48 °C@355 bar
Maximum allowable working pressure (Jacket):24 bar@148 °C
Minimum design metal temperature (Jacket):-48 °C@24 bar

Options double coil, bucket type sample cooler:
Temperature indicator
• (Throttling) Needle valve
• Block valves and / or drain valves
• Thermal relief valve
• Exotic alloy tube and shell material (Including but not limited to Monel,
  Hastelloy, (Super)Duplex, Alloy 625/825)

Alternatives
• ½” Single coil sample coolers
• Pipe spec. sample coolers (1/2”, 3/4” or 1” size available)

Note:
Dopak sample coolers are exempt from CE marking per Pressure Equipment Directive (PED)
97/23/EC. The vessels are below or equal to the limits set forth in Article 3, Sections 1.1, 1.2,
1.3 and section 2 as applicable and are designed and manufactured in accordance with Sound
Engineering Practice (SEP). Specifically, the vessels meet the general requirements of the ASME
Section VIII, Division 1 Boiler And Pressure Vessel Code. The nameplate will bear the name of
Dovianus B.V. and safety instructions will be included per Article 3, Section 3.