Page 2 - BuTech - Technical information

PRESSURE/TEMPERATURE RATING GUIDE

Information in this rating guide is furnished for •Refer to Pressure/Temperature Rating Curve on page Tech-3 to
reference in approximating the pressure/temperature determine pressure at desired temperature.
capabilities of BuTech valves with various options. •Refer to tubing section for pressure ratings of standard tubing at
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To determine approximate ratings, the following various temperatures to 800 F (427°C).
factors should be considered: •Note maximum temperature ratings for needle valves with various
•Refer to individual sections to determine pressure packing options in the table below.
rating of component at room temperature. •Note temperature information checklist on page Tech-3.

Standard Standard Glass-Filled Optional Virgin Optional
Glass-Filled Teflon Teflon/Nylatron Teflon Packing Grafoil 1
Valve Series Stem Type Min Max Min Max Min Max Min Max
Vee or Regulating -100 650 -100 450 -10 800 ˚F
SLPV 2 N/A N/A
Metal to Metal (-73) (343) (-73) (232) (-18) (427) ˚C
Vee or Regulating -100 650 -100 450 -10 800 ˚F
SFPV N/A N/A
Metal to Metal (-73) (343) (-73) (232) (-18) (427) ˚C
Vee or Regulating -100 650 -100 450 -10 800 ˚F
DHP N/A N/A
Metal to Metal (-73) (343) (-73) (232) (-18) (427) ˚C
Vee or Regulating -100 650 -100 450 -10 800 ˚F
20UV 3 N/A N/A
Metal to Metal (-73) (343) (-73) (232) (-18) (427) ˚C
Vee or Regulating -100 650 -100 450 -10 800 ˚F
30UV N/A N/A
Metal to Metal (-73) (343) (-73) (232) (-18) (427) ˚C
Vee or Regulating -100 230 -10 800 ˚F
40UV N/A N/A N/A N/A
Metal to Metal (-73) (110) (-18) (427) ˚C
Vee or Regulating -100 230 -10 800 ˚F
60UV N/A N/A N/A N/A
Metal to Metal (-73) (110) (-18) (427) ˚C
Notes:
1. Optional grafoil packing not recommended for hydrogen or helium service.
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2. Compression type (L/P) connections not recommended for service above 650 F (343 C) or below 0 F (-18 C).
For these applications, BuTech recommends medium pressure M/P Coned-and-Threaded connections.
3. Chart above refers to sizes through 9/16" only. Consult factory for 3/4" and 1" sizes.

Tech-09
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2121 EBCO Drive, Suite 1 • Erie, PA 16506 USA • Ph: (814) 833-4904 • Fax: (814) 833-2612 • E-mail: hq@butech-valve.com