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Neptune Sample Cooler Model SC-316

Neptune Sample Cooler Model SC-316
Neptune Sample Cooler Model SC-316
Features:
  • Rugged all-welded construction
  • Internal baffles to insure maximum heat transfer
  • Heat exchange areaone sq. ft.
  • Design pressure3500 psi at 750F
  • All 316SS Construction
SC-316 Specifications:

 

 

Material

Pressure Rating

Water Flow Pressure Drop

MODEL

COIL

SHELL

COIL

SHELL

COIL

SHELL

SC-316

316SS

316SS

3500 psi

250 psi

55 psig @ 250 lbs/hr

3 psig @3 gpm

 
 

PERFORMANCE

Assuming a coolant inlet of approximately 55F (12C) and exit of approximately 120F (50C) and a sample exit of approximately 110F (43C), the cooler will provide performance approximately per the ranges described below:

 

HOT WATER SAMPLES:

  • At 250F (120C), approximately 1500 CC/Min of sample will be produced using 1 gallon per minute of coolant.
  • At 700F (370C), approximately 950 CC/Min of sample will be produced using 2.5 gallons per minute of coolant.

 

SATURATED STEAM VAPOR:

The steam sample cooler inlet and exit valves can be used to create various operating pressures in the cooler for producing samples from saturated steam vapor.

  • At 175 psia operating pressure, 640 CC/Min of sample can be produced using approximately 3.0 gpm of coolant.
  • At 25 psia operating pressure, 300 CC/Min of sample can be produced using approximately 1.5 gpm of coolant.

SUPER HEATED STEAM:

Max. sample inlet temperature of 750F (400C).

  • 1,000 psia cooler operating pressure produces 640 CC/Min of sample at 3.5 gpm coolant flow.
  • 20 psia cooler operating pressure produces 315 CC/Min of sample at 1.75 gpm coolant flow.
 
INSTALLATION

Proper installation of the Neptune sample cooler requires valves on sample inlet and cooling water inlet for hot water service. An additional valve must be installed on the sample outlet for all vapor or steam services to obtain required operating pressures in the coil. Proper installation in superheated steam service also requires precooling the sample to 750F, the maximum design operating temperature of the Neptune Sample Cooler. Precooling can be accomplished by installing a pipe between the main steam header and the sample cooler to radiate excess heat. The length of the pipe is determined from the chart at right.


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