Watts WTD User Manual
For Steam Main Drip and Process Applications
ES-WTD
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Series WTD 600
Thermodynamic Steam Traps
Sizes 3⁄8
" – 1" (10 – 25mm)
For operating pressure up to 600psi (41 bars)
Series WTD 600 Thermodynamic Steam Traps are economical
and compact, designed to efficiently drain steam mains, steam
tracing lines, and small process equipment. The WTD 600
Steam Trap discharges condensate at near to steam temperatures, so the steam space remains free of condensate. Their
tight shut off feature ensures that valuable steam energy is not
wasted. The WTD 600's hardened disc is the only moving part,
assuring a long service life, easy low cost maintainability, and
improved steam system efficiency.
Features
• Inexpensive: low initial purchase price and lower maintenance
costs than traps requiring expensive repair kits
• Compact design: light weight and easy to install. Provides
longer service life with simple maintainability. The only moving
part is the hardened stainless steel disc
• Rugged all stainless steel: resistant to water hammer,
freezing, superheat and corrosion for extra long service life
• Audible discharge cycle: checking trap operation is simple
and does not require any special devices
• Blast discharge of condensate: eliminates dirt build up and
provides a tight shut off, saving valuable steam energy
Applications
• Steam main drainage
• Superheat steam applications
• Steam tracing lines
•Freeze protection for outside applications
• Small process equipment
Specifications
The thermodynamic steam trap shall be installed as indicated
on the plans. The steam trap shall have a maximum pressure of
600psi (41 bars) and a maximum temperature of 800°F (427°C).
The trap body shall be manufactured of ANSI 420 stainless
steel, the cap and disc shall be manufactured out of ANSI 416
stainless steel. The steam trap shall be a Watts Regulator
Company Series WTD 600.
Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,
please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
WTD 600
ES-WTD 0323 © Watts Regulator Co., 2003 Printed in U.S.A.
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.wattsreg.com
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscda.com
SIZE DN DIMENSIONS WEIGHT
ABC
in. mm in. mm in. mm in. mm lbs. kg.
3
⁄
8
102511
3
⁄
4
45 13⁄
4
45 .8 .36
1
⁄
2
15 211⁄
16
68 13⁄
4
45 2 51 1.2 .54
3
⁄
4
20 213⁄
16
71 25⁄
16
59 27⁄
16
62 1.8 .82
1253
5
⁄
16
84 21⁄
2
64 27⁄
8
73 3.1 1.41
C
A
B
Maximum Capacity - Lbs./Hr. at Saturation Steam Temperature
NPT psi (bar)
CONNECTION 3.5 5 10 20 30 50 75 100 150 200 300 400 500 600
in. mm (0.24) (0.34) (0.7) (1.4) (2.1) (3.4) (5.2) (6.9) (10.3) (13.8) (20.7) (27.6) (34.5) (41.8)
3
⁄8"10 180 185 190 200 215 245 305 370 500 610 790 960 1100 1250
1
⁄
2
"15 300 310 345 410 465 575 700 810 1000 1140 1410 1630 1830 2000
3
⁄4"20 405 420 470 550 640 810 1000 1160 1450 1670 2100 2430 2750 3050
1" 25 640 670 725 865 980 1200 1470 1750 2200 2600 3250 3780 4250 4700
For Kg./Hr. multiply by .454
Materials
Body: ANSI 420 F stainless steel
Cap: ANSI 416 stainless steel
Disc: ANSI 416 stainless steel
Dimensions – Weights
Pressure – Temperature
Maximum Operating Pressure: 600psi (42 bars)
Maximum Operating Temperature: 800°F (427°C)
Maximum Allowable Pressure: 600psi (42 bars)
Maximum Allowable Temperature: 800°F (427°C)
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