给大家发份“球阀选型资料” (2008/01/24 08:47)

球阀的型号编制方法：（description of ball valve model compilaton）

1、 阀类代号（code number of ball valve）

OQ: 球阀      ball valve

GQ: 轨道球阀  orbital ball valve

VQ: V型球阀  V-shaped ball valve

BQ: 保温球阀  heating ball valve

KQ: 抗硫球阀  anti-sulphur ball valve

DQ: 低温球阀  low-temperature ball valve

MQ: 喷煤粉球阀 powedred-coal ejection ball valve

YQ; 液化气球阀 liquefied gas ball valve

QE: 加长杆球阀 extension-bar ball valve

QO; 氧气球阀   oxygen ball valve

QF: 防火型球阀 fire-prevention ball valve

QS: 缩经球阀   crinkled-temperature ball valve

2、 驱动方式代码(way of drive codes)

0: 电磁动       solenoid

1: 电磁动-液动  solenoid-hydraulic

2: 电-液动      electro-hydraulic

3: 涡轮         wormgear

4: 正齿轮       gear wheel

5: 伞齿轮       umbrella gear

6: 气动         pncumatic

7: 液动         hydraulic

8: 气、液联动   gas-liquid combined drive

9: 电动         electric

3、 连接形势代号（connection form codes）

1: 内螺纹  female thread

2: 外螺纹  male thead

4: 法兰    flange

6: 焊接    jointing

7: 对夹    wafer

8: 卡箍    hoop

9: 卡套    cutting ferrule

4、结构形式代号（structure form codes）

  0: 半球直通       Half ball straight-throgh

  1: 浮动球全直通   floating ball full straight-through

  4: 浮动球三通L型 floating ball three-way L type

  5: 浮动球三通T型 floating ball three-wayTtype

  6: 固定四通       fixed four way

  7: 固定球全直通   fixed ball straight-through

  8; 固定球三通式T型 fixed ball three-way T type

  9; 固定式三通L型   fixed ball three-way L type