Bleed Valves Special Alloy Materials, BV Series - SWAGELOK - #1

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www.swagelok.com Features �¡ Alloy 625, alloy 825, SAF 2507™ super duplex stainless steel, or alloy C-276 materials �¡ Working pressures up to 10 000 psig (689 bar) �¡ Temperatures up to 850°F (454°C) �¡ Compact for convenient installation �¡ Male NPT end connections �¡ Orifice of 0.125 in. (3.2 mm); flow coefficient (Cv) of 0.25 Vent tube directs excess liquid or gas from system lines Back stop screw prevents accidental stem disassembly ð® When installing a Swagelok bleed valve, position the vent tube to direct system fluid away from operating personnel. Always open bleed valves slowly. These valves contain no packing, so some fluid weepage will occur when the valves are opened. Operating personnel must protect themselves from exposure to system fluids. Pressure-Temperature Ratings Material Alloy 625 Alloy 825 SAF 2507 Alloy C-276 Temperature, °F (°C) Working Pressure, psig (bar) –65 (–5 3) to 100 (37) 200 (93) 300 (148) 400 (204) 10 000 (689) 10 000 (689) 10 000 (689) 9 795 (674) 10 000 (689) 9 185 (632) 8 710 (600) 8 325 (573) 10 000 (689) 9 970 (686) 9 425 (649) 9 095 (626) 10 000 (689) 9 120 (628) 8 425 (580) 7 800 (537) 450 (232) 500 (260) 600 (315) 650 (343) 9 695 (667) 9 590 (660) 9 445 (650) 9 360 (644) 8 135 (560) 7 940 (547) 7 640 (526) 7 510 (517) 9 015 (621) 8 940 (615) 8 880 (611) — 7 545 (519) 7 290 (502) 6 850 (471) 6 665 (459) 700 (371) 750 (398) 800 (426) 850 (454) 9 270 (638) 9 185 (632) 9 095 (626) 9 010 (620) 7 425 (511) 7 380 (508) 7 295 (502) 7 295 (502) — — — — 6 520 (449) 6 375 (439) 6 265 (431) 6 155 (424) Component Valve Body Materials Alloy 625 Alloy 825 SAF 2507 Alloy C-276 Material Grade/ASTM Specification Stem Alloy 625/ B446 Alloy 825/ B425 SAF 2507/ A479 Alloy C-276/B574 Body Back stop screw Vent tube Alloy 625/B444 or B704 Alloy 825/ B425 SAF 2507/ A479 Alloy C-276/B574 Lubricant Nickel antiseize, hydrocarbon carrier Wetted components listed in italics. Materials of Construction Bleed Valves—Special Alloy Materials BV Series Swagelok bleed valves can be used on instrumentation devices such as multivalve manifolds or gauge valves to vent signal line pressure to atmosphere before removal of an instrument or to assist in calibration of control devices. Body Stem