平板闸阀的型号编制方法及型号意义:
1、Special request code: K-type of sulfur
   特殊要求代号：K—抗硫型 

2、The valve type code: Z-gate valves
   阀门类型代号：Z—闸阀   

3、Driving way code: 4-just gear transmission 5-bevel gear transmission 6-pneumatic 6 s-pneumatic with manual 7-liquid move 9-electric (the handwheel transmission is abbreviated) 9 B-explosion-proof electric
   驱动方式代号：4—正齿轮传动　5—伞齿轮传动　6—气动　6s—气动带手动　7—液动　9—电动（手轮传动略）　9B—防爆电动  

4、Connection form code: 4-flange connection 6-butt weld connection
   连接形式代号：4—法兰连接　6—对焊连接 

5、Structure form code: 3-rising stem parallel type single disc 4-rising stem parallel type double disc 7-dark bar parallel type single disc
   结构形式代号：3—明杆平行式单闸板　4—明杆平行式双闸板 7—暗杆平行式单闸板 

6、Structural features code: W-no diversion hole (a diversion hole omitted) P-light-duty
   结构特点代号：W—无导流孔（有导流孔省略）　P—轻型

7、Sealing material code: Y-hard alloy H-alloy steel D-ooze nitrogen steel F-increase ptfe
   密封面材质代号：Y—硬质合金　H—合金钢　D—渗氮钢　F—增强聚四氟乙烯 

8、The valve material code: C-WCB I-WC6, ZG1Cr5Mo V-WC9, ZG20CrMoV P-ZG1Cr18Ni9Ti Ps-CF8 P3-CF3 R-ZG1Cr18Ni12Mo2Ti F-LCB N-LC3 R8-CF8M R3-CF3M

   阀门材料代号：C—WCB　I—WC6、ZG1Cr5Mo　V-WC9、ZG20CrMoV　P-ZG1Cr18Ni9Ti Ps-CF8  P3-CF3 R—ZG1Cr18Ni12Mo2Ti　F—LCB　N—LC3 R8-CF8M  R3-CF3M