
ANSI-125/150LB铸铁明杆闸阀结构尺寸/技术参数:
| ||||||||||
DN | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
1.5 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | |
L | 6.5 | 7 | 7.5 | 8 | 9 | 10 | 10.5 | 11.5 | 13 | 14 |
H | 10 | 10.5 | 11 | 12 | 16 | 18 | 22 | 28 | 35 | 44 |
D | 5 | 6 | 7 | 7.5 | 9 | 10 | 11 | 13.5 | 16 | 19 |
Application | ||||
1 | FacetoFaceisAccordingtoANSIB16.10 | |||
2 | FlangedrilledisAccordingtoANSIB16.1 | |||
Test | ||||
Workingpressure | 125PSI | 150PSI | ||
TestpressureShell | 21.1kgf/cm2 | |||
Seat | 15.0kgf/cm2 | |||
Components | ||||
阀体Body | CASTIRON(A126) | |||
阀盖Bonnet | CASTIRON(A126) | |||
阀杆STEM | STAINLESSSTEEL(SS410) | |||
阀板DISC | CASTIRON(A126) | |||
阀环SEATRING | CASTBRONZE/STAINLESSSTEEL(B62) | |||
格兰GLAND | DUCTILEIRON(FCD45) | |||
迫紧PACKING | NOTASBESTOS | |||
手轮HANDWHEEL | CASTIRON(A126) |
美标ANSI-125/150LB铸铁明杆闸阀的阀杆带动闸板一起升降,阀杆上的传动螺纹在阀体外部,因此,可根据阀杆的运动方向和位置直观地判断闸板启闭和位置,而且传动螺纹便于润滑和不受流体腐蚀,但它要求有较大的安装空间。