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ZMKII/ZKKII多级降压

ZMKII/ZKKII Multi-Stage Step-Down Control Valve

ZMKII/ZKKII 多级降压控制阀采用多级降压单座结构，允许压差大，抗气蚀，抗冲刷，低噪音。

ZMKII/ZKKII Multi-Stage Step-Down Control Valve with multi-stage step-down single-seat structure.It has high pressure drop,anti-cavitation,anti-scour,low noise.

阀体结构（Body Construction）

1	阀体 Body	7	填料 Packing
2	阀座 Seat	8	填料压盖 Packing gland
3	阀芯/阀杆 Plug/Stem	9	螺母 Nut
4	套筒 Cage	10	双头螺柱 Double-screw bolt
5	垫圈 Gasket	11	双头螺柱 Double-screw bolt
6	阀盖 Valve bonnet	12	螺母 Nut

窗体底端

标准规格(Standard specifications)

形式Type	多级降压控制阀Multi-Stage Step-Down Control Valve
公称通径Body Size	DN15-DN200(1/2~8)
公称压力Body Ratings	PN100,160,220,250,320,420;ANSI Class 600,900,1500,2500
阀体及阀盖材质 Body&Bonnet Material	A105,F304,F316,锻12Cr1MoV,WCB,CF8,CF8M…
填料Packing	V型聚四氟乙稀 V-PTEE/柔性石墨 Flexible graphite
垫圈Gasket	GRAP+304,GRAP+316,PTEE
连接方式Connections	法兰型（RF、MFM）Flange type(RF,MFM)/焊接型（SW、BW）Welding type(SW,BW)
涂层Painting Color	棕色漆Brown painting/不锈钢阀体可不涂漆No painting on stainless steel valve body
阀盖类型Bonnet Type	标准型、散热型 Standard type,Fin-Extension type