устьевое руководство воздушной заслонки

WellheadChoke valve is the main component of Christmas Tree and Manifolds , and apply for oil well output controlling.The maxium working pressureis 10000 psi. It can bedevided intothe adjustable choke valve and positive choke valve. In order to control the output, the adjustable choke valve adjusts the effective areaof the flow byrotating hand wheel which will drive stem tip, while the positive choke valvehad the different flowbean diameters changedin orificeto archive the control the flow. Features: 1. The studed bonnet for the positive choke,make the connection and dis conection easily and quickly. 2. The stem tip and bean bushing are made from special hard alloys for corrosion and abrasion resistance. 3. Indicator lens with scale to indicate stem’s position and actual orifice area. 4. Turn handwheel counter-clockwise and the valve will open; the clockwise and the valve will closeParts List: ItemComponentQtyMaterialRemark1Bushing1FKM2Body141303Bonnet Stud841304O-Ring1NBR5Seat Bushing141306Seat1YG87Stem Adaptor1NBR8Valve Core1YG89O-Ring2NBR10Packing Box1413011O-Ring2NBR12Bonnet1413013Packing Gland1413014Bonnet Nut8514015Stem141016Screw Housing1514017Saddle Key1104518Stem Screw1413019Handwheel1103520Spacer141021Stem Protector1103522Bearing Gland1514023Bearing2Assy.24Flat Key1103525Grease Cup1Assy.26Packing Ring241027Packing5NBR