Plug valves - catalogue - Cowan Dynamics

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SLEEVED PLUG VALVES — SPECIAL SERVICEDOUBLE BLOCK & BLEED AND SAMPLING PLUG VALVESBecause of the double port seals in both directions and the sealed isolation ofthe chamber below the plug and the areas around the plug, 90° to the portopenings, a drainage connection into the plug cavity may be drilled and tappedthrough the body from either side or the bottom.A 1/2” (12.7 mm) drain connection is standard, but other sizes can also beprovided. Specify connection size; length as indicated on the drawing andwhether the bleed valve is required. A FluoroSeal® Fig. R152/302SE is ideallysuited as the bleed valve.ANSI/ASMEBleed valve diameter 1/2" available in block valve size 2", 2 1/2", 3", 4"Bleed valve diameter 3/4" available in block valve size 6", 8"Bleed valve diameter 1" available in block valve size 10", 12", 14", 16", 18", 24"DINBleed valve diameter DN 15 available in block valve size DN 50, DN 65,DN 80, DN 100Bleed valve diameter DN 20 available in block valve size DN 150ANSI/ASME FluoroSeal® Double Blockand Bleed Plug Valve with GearBlock ValveSpecify LengthBleed ValvePLUG-ANSI-DIN-R002-2009BD41 888 269 0220 (Canada & U.S.A.)
SLEEVED PLUG VALVES — SPECIAL SERVICEFIRE SAFE SLEEVED PLUG VALVESFluoroSeal® Sleeved Plug Valves with the Fire Safe top seal have been testedand certified by an independent laboratory to the requirements of API 607, FifthEdition (ISO 10497-5) for external leakage.The FluoroSeal® Fire Safe design utilizes a PTFE sleeve and PTFE diaphragmas the external sealing components under normal conditions. Should thesecomponents be destroyed by fire, external leakage is prevented by:1. A secondary flexible graphite seal ring encapsulated and compressedbetween the metal diaphragm and the machined counterbore in thevalve body2. A flexible graphite delta ring encapsulated and compressed between theunique shaped metal diaphragm and the machined plug stemFluoroSeal® Fire Safe Valves also utilize a vented plug designed to relievepressure buildup resulting from expansion of the service media within the plug,due to elevated temperatures caused by fire. The pressure is relieved to theupstream side, providing a preferred flow direction indicated by an arrow onthe valve cover.CoverCombination Formed Metal Diaphragmand Static EliminatorPTFE DiaphragmFlexible Graphite Delta RingPLUG-ANSI-DIN-R002-2009Flexible Graphite Ring1/8” (3.18 mm) Vent Holeon Upstream Side of PlugBodyPlugFire Safe Assemblywww.fluorosealvalves.comBD5
Page 3 and 4: DESIGN FEATURESNON-LUBRICATED PLUG
Page 5 and 6: DESIGN FEATURES∙ Investment cast
Page 7 and 8: Specialty Valves
Page 10 and 11: SLEEVED PLUG VALVES — 2-WAY2-WAY
Page 12 and 13: SLEEVED PLUG VALVES — 2-WAYFULL P
Page 14 and 15: SLEEVED PLUG VALVES — MULTIPORTFL
Page 16 and 17: SLEEVED PLUG VALVES — MULTIPORTMU
Page 18 and 19: SLEEVED PLUG VALVES — SEVERE SERV
Page 20 and 21: SLEEVED PLUG VALVES — SEVERE SERV
Page 22 and 23: SLEEVED PLUG VALVES — SPECIAL SER
Page 26 and 27: SLEEVED PLUG VALVES — SPECIAL SER
Page 28 and 29: LINED PLUG VALVESPRECISION CAST BOD
Page 30 and 31: LINED PLUG VALVESEZ-SEAL® Cover wi
Page 32 and 33: PLUG VALVES — OPTIONSEZ-SEAL® TO
Page 34 and 35: PLUG VALVES — OPTIONSJACKETED PLU
Page 36 and 37: PLUG VALVES — OPTIONSPARTIALLY JA
Page 38 and 39: PLUG VALVES — NOTESPLUG-ANSI-DIN-
Page 40 and 41: ACCESSORIESHANDWHEEL EXTENSION —
Page 42 and 43: ACCESSORIESWRENCH OPERATOR LOCKING
Page 44 and 45: TECHNICAL DATAENGINEERED SOLUTIONS
Page 46 and 47: TECHNICAL DATA1600Pressure-Temperat
Page 48 and 49: FLUOROSEAL INC. PRODUCTION & ASSEMB
Page 50: TERMS & CONDITIONSI1CONTROLLING PRO

Plug valves - catalogue - Cowan Dynamics

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