NV气体背压调节器

NV气体背压调节器

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2021-11-26 11:12:41
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天津金镭科技有限公司

天津金镭科技有限公司

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产品简介

APPLICATION:Ventlinesorpressureregulationonseparators,heatertreaters,compressorstations,gasgatheringanddistribut*temswhereitisdesiredthatnogasbevented

详细介绍

APPLICATION:
Vent lines or pressure regulation on separators, heater
treaters, compressor stations, gas gathering and distribution systems
where it is desired that no gas be vented.
• Inside Buildings
• In populated areas
• Emissions regulated areas
• Sour or poisonous gas systems
PRESSURE RANGE:
3 psig to 300psig
OPERATION:
Assume the PILOT SPRING is compressed with the ADJUSTING SCREW for a set pressure greater than theUpstream Pressure (Red). The Pilot Assembly is forced downward by the PILOT SPRING. The lower seat for the PILOT PLUG (Yellow to Blue) is closed and the upper seat for the PILOT PLUG (Red to Yellow) is open. This lets full Upstream Pressure (Red) load the MOTOR VALVE DIAPHRAGM to close the valve.
As the Upstream Pressure (Red) increases to the set pressure, the Pilot Assembly moves upward against the PILOT SPRING to first close the upper seat (Red to Yellow) and open the lower seat (Yellow to Blue). Motor Valve Diaphragm Pressure (Yellow) is vented to the Downstream (Blue).
As the Motor Valve Diaphragm Pressure (Yellow) is decreased, the Upstream Pressure (Red) acting under the motor valve seat, opens the valve. With relief of the Upstream Pressure (Red) through the valve, the Pilot Assembly assumes a position in which both seats of the PILOT PLUG are closed.
Motor Valve Diaphragm Pressure (Yellow) is regulated by the intermittent bleed pilot three-way valve action of the PILOT PLUG to reposition the Motor Valve Stem Assembly for changes in flow rate. The rapid but stable repositioning produces a true throttling action.


货号连接尺寸连接方式描述操作压力工作压力维修包
铸铁材质
A12041"SCRD112 SGT BP-NV125175R1820
A12052"SCRD212 SGT BP-NV125175R0101
A12062"FLGD212 FGT BP-NV125175R0101
A12072"GRVD212 GGT BP-NV125175R0101
A12083"SCRD312 SGT BP-NV125175R0102
A12093"FLGD312 FGT BP-NV125175R0102
A12104"SCRD412 SGT BP-NV125175R0103
A12114"FLGD412 FGT BP-NV125175R0103
A12126"FLGD612 FGT BP-NV125175R0104
球墨铸铁材质
A1204-D1"SCRD130 SGT BP-NV-D300300R1821
A1205-D2"SCRD230 SGT BP-NV-D300300R0407
A1206-D2"FLGD230 FGT BP-NV-D300300R0407
A1207-D2"GRVD230 GGT BP-NV-D300300R0407
A1208-D3"SCRD330 SGT BP-NV-D300300R0408
A1209-D3"FLGD330 FGT BP-NV-D300300R0408
A1210-D4"SCRD430 SGT BP-NV-D300300R0409
A1211-D4"FLGD430 FGT BP-NV-D300300R0409
A1212-D6"FLGD630 FGT BP-NV-D300300R0110


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