Page 13 - Parker - Energy Products Division - Multitube (Instrument and Heat Trace Tubing Products)
P. 13
Chemical Processing and Refineries
Catalog Number 4200-M-2
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HT— Heavy Steam Trace
Maximum Internal Exposure Temperature up to 400˚F (204˚C)
General Tubing
Parker HT—Heavy Steam Trace Tubing consists of Type 122 DHP Seamless Copper and 316/316L
a single process tube and tracer, non-hygroscopic Welded Stainless Steel are standard. Additional
glass fiber insulation and a black, 105°C rated, flame- materials, wall thicknesses and seamless stainless
resistant PVC (FR PVC) jacket. steel are available upon request. For Material
Specifications of metal tubing, see Technical Data
The HT—Heavy Steam Trace Tubing is designed to section of the catalog. Consult Division for details.
be used with steam pressures of 15 PSIG (1 BAR) to
230 PSIG (15.8 BAR) and maintain a process tube Tubing Identification
temperature of from 200°F (93°C) at -40°F (-40°C) When process tube and tracer tube are the same size
ambient to 355°F (179°C) at 80°F (26.6°C) ambient and material, each individual tube is printed with tube
with product surface temperatures of less than 140°F number at two-inch intervals.
(60°C) at 80°F (26.6°C) ambient. Standard product
has a Maximum Temperature Rating (MTR*) of 400°F Insulation
(204.4°C). Higher temperature rated designs are Air-spaced, cross wrapped applied non-hygroscopic
available. Consult Division for details. fiberglass thermal insulation for minimum heat loss.
*Maximum Temperature Rating is the maximum Jacket
allowable temperature of the tracing fluid. The tough, black, 105°C rated, flame-resistant PVC
Temperatures in excess of this may damage the (FR PVC) jacket protects the tubing against corrosive
product or alter its performance. atmospheres, water, oils, acids, alkalies and most
chemicals. Additional jacket materials are available
Applications upon request. For Material Specifications of jackets,
The HT—Heavy Steam Trace Tubing is used with see Technical Data section of the catalog. Consult
high temperature steam to heat trace instrument size Division for additional details.
lines when elevated temperatures are required. Such
applications as pressure transmission and analyzer Testing
®
sample lines carrying heavy oils or distillates, gases Each tube in every length of Parker Temptrace
or vapors are ideal service for the HT—Heavy is pressure tested prior to shipment to assure the
Steam Trace Tubing products. The direct tracer to instrument engineer a high quality, reliable, trouble-
process tube contact produces higher process tube free product. For Testing Specifications, see Technical
temperatures than the light trace product. Data Section of the catalog.
Accessories
Accessories are available for connecting multiple
lengths of steam trace bundles and sealing bundle
ends.
NOTE: It is absolutely necessary to seal the ends against
contamination from moisture and/or corrosive liquids. Parker
Hannifin cannot assume any liability for product damage caused by
moisture from unsealed ends.
Parker Hannifin Corporation
9 10 Energy Products Division
