Product Detail
Structure Features
Main Structure Features Include
1.Non-rising stem gate valve is featured with compact structure, reasonable design, high rigidity, smooth fluidity and small fluid resistance coefficient;2.Sealing surface is made of stainless steel and hard alloy to ensure long service life; 3. Flexible graphite material is used to ensure reliable sealing effect and flexible operation;4.Drive Type: manual drive, electric drive, gear transmission;5.Structural Type: elastic wedge single gate, rigid wedge single gate, double gate;6.It is widely used as an opening and closing gate device to connect or block the medium in the oil product or steam pipelines of the petrochemical industry or thermal power plant.
Main external connection dimensions
DN(mm) | Size(mm) | |||||
L | D | D1 | D2 | b | z-Φd | |
50 | 250 | 160 | 125 | 100 | 16 | 4-18 |
65 | 265 | 180 | 145 | 120 | 18 | 4-18 |
80 | 280 | 195 | 160 | 135 | 20 | 8-18 |
100 | 300 | 215 | 180 | 155 | 20 | 8-18 |
125 | 335 | 245 | 210 | 185 | 22 | 8-18 |
150 | 350 | 280 | 240 | 210 | 24 | 8-23 |
200 | 400 | 335 | 295 | 265 | 26 | 12-23 |
250 | 450 | 405 | 355 | 320 | 30 | 12-25 |
300 | 500 | 460 | 410 | 375 | 30 | 12-25 |
350 | 550 | 520 | 470 | 435 | 34 | 16-25 |
400 | 600 | 580 | 525 | 485 | 36 | 16-30 |