ZMKII/ZKKII Multi-Stage Step-Down Control Valve
ZMKII/ZKKII 多級(jí)降壓控制閥采用多級(jí)降壓?jiǎn)巫Y(jié)構(gòu)，允許壓差大，抗氣蝕，抗沖刷，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.
閥體結(jié)構(gòu)（Body Construction）
1 | 閥體 Body | 7 | 填料 Packing |
2 | 閥座 Seat | 8 | 填料壓蓋 Packing gland |
3 | 閥芯/閥桿 Plug/Stem | 9 | 螺母 Nut |
4 | 套筒 Cage | 10 | 雙頭螺柱 Double-screw bolt |
5 | 墊圈 Gasket | 11 | 雙頭螺柱 Double-screw bolt |
6 | 閥蓋 Valve bonnet | 12 | 螺母 Nut |
窗體底端
標(biāo)準(zhǔn)規(guī)格(Standard specifications)
形式Type | 多級(jí)降壓控制閥Multi-Stage Step-Down Control Valve |
公稱通徑Body Size | DN15-DN200(1/2~8) |
公稱壓力Body Ratings | PN100,160,220,250,320,420;ANSI Class 600,900,1500,2500 |
閥體及閥蓋材質(zhì) Body&Bonnet Material | A105,F304,F316,鍛12Cr1MoV,WCB,CF8,CF8M… |
填料Packing | V型聚四氟乙稀 V-PTEE/柔性石墨 Flexible graphite |
墊圈Gasket | GRAP+304,GRAP+316,PTEE |
連接方式Connections | 法蘭型（RF、MFM）Flange type(RF,MFM)/焊接型（SW、BW）Welding type(SW,BW) |
涂層Painting Color | 棕色漆Brown painting/不銹鋼閥體可不涂漆No painting on stainless steel valve body |
閥蓋類型Bonnet Type | 標(biāo)準(zhǔn)型、散熱型 Standard type,Fin-Extension type |
注：以上只是標(biāo)準(zhǔn)組合，根據(jù)工況條件，本表以外的規(guī)格也是可能的。
Note:the above is just a standard combination,according to the working conditions,other specifications are also possible.
