燃气闸阀

型号编制说明Model schedule illustration
	阀体材料代号Body material code 压力等级代号Pressure grade code 密封面材质代号Sealing formation code 结构特点代号Structure manner code 结构形式代号Design feature code 连接形式代号Connecting type code 驱动方式代号Driving manner code 阀门类型代号Valve type code 特殊要求代号Special requirement code 系列代号Series code
●系列代号：本公司系列代号为FY Series code：The serles code name of our company is FY ●特殊要求代号：K-抗硫型L一调节型zB一自动补偿 SPeclal requl rement code：K-Antisulphur modeI L-Adjustment type ZB-Auto compensation ●阀门类型代号：2-闸阀 VaIve type code：ZmGate vaIve ●驱动方式代号：4-正齿轮传动 5-伞齿轮传动 9-电动 9B-防爆电动(手轮传动略) Driving manner code：4-Spur gear transmission 5-Bevel gear transmission 9-Electric driving 9B—ExpIosion electric driving.(Hand wheel driving omitted) ●连接形式代号：4-法兰连接6-对焊连接 Connecting type code：4-Flange-joining 6-Buff welding joining ●结构形式代号：7-暗杆平行式单闸板 Design feature code：7-Dark Pole parallel single-disc ●结构特点代号：w-无导流孔(有导流孔省略) Structure manner code：Wrenon-dive rsion hole type(Dlve rsion hoIe type omitted) ●密封面材质代号：F-增强聚四氟乙烯 Sealing formation code：F-Intensified polytetrafluoroethylene(PTFE) ●压力等级代号：公称压力为MPa的10倍、磅级为实际数 Pressure grade code：The 10 times of the nominal Pressure MPa Pound grade io Ptactlcal number ●阀门材料代号：阀体材料代号：C-WCB、P-CF8、ZGlCrl8Ni9Ti R-CF8M、ZGlCrl8Nil2Mo2Ti BodY mate rial code：C-WCB、P-CF8、ZGlCrl8Ni9Ti R-CF8M、ZGlCrl8Nil2Mo2Ti 例1：Z543WF-16C 注释：公称压力为l 6MPa、伞齿轮传动、法兰连接、无导流孔、明杆平行式单闸板闸阀，阀体材质为WCB，密封面材质为增强聚四氟乙烯。 Example1：FYZ47F-10C Note:PN=10Mpa．spur gear actuated．flange connected lnside stem Parallel type Single-disc gate valve with flow gulde hole．the body material is WCB and the sealing face material is reinforced PTFE. 例2：FY(K)Z67F-16C 注释：公称压力为l.6MPa、手动、对焊连接、有导流孔、抗硫暗杆平行式单闸板闸阀，阀体材质为WCB，密封面材质为增强聚四氟乙烯。 Example2：FY(K)Z67F-16C Note:PN=1.6Mpa manually actuated butt—weld connected sulPhur resisting inside stem parallel type single-disc gate valve with flow guide hole the body material is WCB and the sealing face material is reinforced PTFE

产品性能规范Products performance specification

	1、阀门内部压力相当时(1)，闸板处于闭合状态，阀座表面PTFE密封环形成初始密封，每次阀门开或关时，阀座圈能清洁闸板两侧。(如图l) 　　With equal Pressu re throughout the valve(and the gate in closed position)，and initiaseal(1)is formed with the raised PTFE ring on the faces of the seats(The seat-inserts clean both sides of the gate each time the valve is opened or closed)
	2、对阀门施加管道压力时(2)，压力作用于闸板，迫使它贴近出I：1阀座上的PTFE环，压缩它直到闸板停在钢制阀座上，这样，就形成了双重密封，首先是PTFE对金属密封，然后是金属对金属密封，阀座也被牢固地推到凹槽，在这一点(3)，0形圈阻止任何后部介质流。(如图2) 　　As line pressure(2)is applied to the valve it acts on the gate，forcing it against the PTFE ring on the downst ream seat，comp ressing it untiI the seat against the steel seat Thus，a double seal is formed first，a PTFE-t0-metal seal:then，metal-t0-metal The seat is also forced firmly into its recess The O-ring(3)p revents any downst ream flow at this point
	3、阀腔压力泄放后，形成进口密封，管道压力作用于进口阀座(4)，使其移向闸板，这时形成PTFE对金属的密封，同时，0形圈(5)与阀座凹槽形成紧密的密封。(如图3) 　　Upstream seal is Provided when valve cavity Pressure is bled off This is caused by the force of line pressure acting against the upst ream seat(4)moving the seat against the gate and providing a tight PTFE-to metal seal at this point At the same time the O-ring(5)forms a tight seal with the seaf recess.
	4、阀门自动泄放多余的压力，当阀腔压力大于管道压力时，由于热膨胀，进口阀座推向凹槽阀腔内多余的压力在阀座与闸板之间泄放到管道中。(如图4) 　　Valve automatically reIieves itself of excessive valve cavity Pressure When valve cavity Pressure exceeds line Pressure from such causes as thermal expansion the upstream seat is forced back into its recess and the excess Pressure in the valve cavity is bled between the seat and the gate into the line.

产品主要参数Main parameter of the products

注：本公司可根据用户要求提供产品。
Note our company can provide Products at customres’request

产品采用标准Technical specification 设计依据Design reference GB API 设计标准Design standard JB/T5298 GB/Tl9672 API 6D ASME Bl6.34 结构长度Structural length 法兰 Flanged GB/Tl2221 GB/Tl9672、JB/T5298 API 6D ASME Bl6.10 焊接 Welded connection GB/Tl5188.1 GB/Tl9672 连接法兰 Flanaed ends GB/T9113 JB/T79 ASME Bl6.5 MSS SP44 对焊端 Butt-welding ends GB/Tl2224 ASME Bl6.25 试验和检验 Test&inspection JB/T9092 API 6D APl598 注：阀门连接法兰尺寸可根据用户要求设计制造。 Note The sizes of valve connecting flange can be designed according to customers‘requirement

主要零件材料Major parts material form 序号No. 零件名称 Accessory name 材料Material GB 1 排污堵头Blow down stopple 25 2 阀体Body WCB 3 闸板 Gate disc 16Mn+ENP 4 阀座Seat 16Mn 5 O形圈 O-Ring FPM 6 密封圈 Sealing ring PTFE 7 阀杆螺母 Valve Stem nut ZQAL9-4 8 阀杆Stem 1Cr13 9 垫片Gasket 柔性石墨+1Crl8Ni9 Graphite+1Crl8Ni9 10 阀盖Bonnet WCB 11 双头螺母Stud 35CrMo 12 螺母 Nut 45 13 O形圈 O-Ring FPM 14 轴承 Bearing 组件Package 15 对开环To the ring holding 45 16 内六角螺钉Six angle screws inside 35 17 键Key 45 18 开关指示器Switch indicator PTFE+1Crl8Ni9 19 手轮Hand wheel Q235A 20 螺母 Nut 35 注：阀门主要零部件材质可根据实际工况条件或用户特殊要求设计选用。 　　Notes The majo r parts of the valves can be designed and selected according to actual work condition or customers’specific requirement

产品采用标准Technical specification

注：阀门连接法兰尺寸可根据用户要求设计制造。
Note The sizes of valve connecting flange can be designed according to customers‘requirement

主要零件材料Major parts material form

注：阀门主要零部件材质可根据实际工况条件或用户特殊要求设计选用。
　　Notes The majo r parts of the valves can be designed and selected according to actual work condition or customers’specific requirement

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