Middle-line double-flanged butterfly valve combines the characteristics of middle-line butterfly valve and double-flanged connection, using the butterfly plate as the opening and closing part, through the rotation of the butterfly plate to achieve the opening and closing operation.
技术规范 Technical specification | |
设计标准/Design standard | BG-12238-89、API609、 BS5155 |
机构长度/Face to Face | GB45554、API609、MSS-67-1995、ANSI B16.1 |
法兰标准/Flange Standard | ANSI 125/150、DIN2501 PN10/16/25 |
连接方式/Connection Manner | 中线对夹Wafer Connection |
检验实验/Inspection and Test | GB13927、API598 |
公称压力/Nominal Pressure | 0.6Mpa、1.0Mpa、 1.6Mpa、 2.5Mpa、 150LB |
驱动方式/Model of Driving | 手动、电动、气动等 Manual、electric、 air operated |
序号 | 零件名称 | 材质 | 标准 | 材质 | 标准 |
1 | 阀体 | GG25 | A126B | CF8 | A351 |
GGG40 | A536 | CF8M | A351 | ||
WCB | A216 | AL BRONZE | B148 | ||
2 | 阀板. | GGG40 | A536 | AL BRONZE | B148 |
CF8 | A351 | WCB | A216 | ||
CF8M | A351 | GGG40+ EPOXY | A536 | ||
3 | 阀轴. | SS416 | A276 | SS410 | A276 |
SS431 | A276 | SS316 | A276 | ||
SS304 | A276 | - | - | ||
4 | 阀座 | NR | X1 | WEAR-RESISTANT | X5 |
HYPALON | X2 | VITON | X6 | ||
EPDM | X3 | HEAT- RESISTANT | X7 | ||
NEOPRENE | X4 | PTFE | F4 | ||
5 | 衬套 | PTFE | ATEM B438 | C954 | B148 |
6 | 密封圈 | EPDM | X3 | VITON | X7 |
NBR | X5 | - | - | ||
7 | 齿轮箱 | 组合体 | A536 | 组合体 | A536 |
8 | 手柄 | GGG40 | A536 | SS304 | A276 |
Aluminum | AL2 | WCB | A216 | ||
9 | 尺盘 | GGG40 | A536 | Aluminum | AL2 |
SS304 | A276 | WCB | A216 |