Product Overview:
The rising-stem flanged gate valve features an externally mounted stem structure,where the stem rotates and moves axially.The gate moves up and down with the stem to open or close the valve,allowing direct visual observation of the valve opening position.It is widely used in fire protection and industrial pipeline systems.
Main Parts Materials:
| NO. | Part Name | Material |
|---|---|---|
| 1 | Body | Gray Cast Iron/ Ductile Cast Iron/Cast Steel |
| 2 | Disc | Ductile Cast Iron |
| 3 | Stem | C45 Round Steel |
| 4 | Hexagon socket bolt | Carbon Steel |
| 5 | Gasket | High-Temperature Asbestos |
| 6 | Bonnet | Gray Cast Iron, Ductile Cast Iron, Cast Steel |
| 7 | O-ring | High-Temperature Asbestos |
| 8 | O-ring | High-Temperature Asbestos |
| 9 | Positioning sleeve | Stainless Steel |
| 10 | Gland | Ductile Cast Iron |
| 11 | Stud bolt | Carbon Steel |
| 12 | Yoke | Ductile Cast Iron |
| 13 | Stem nut | Alloy |
| 4 | Flat key | Carbon Steel |
| 5 | Lock nut | Carbon Steel |
| Handwheel | Gray Cast Iron |
| Nominal Diameter | External Dimensions | ||||
|---|---|---|---|---|---|
| L | D | D1 | z-\d | H | |
| 50 | 180 | 160 | 125 | 4-18 | 350 |
| 65 | 195 | 180 | 145 | 4-18 | 370 |
| 80 | 205 | 195 | 160 | 4-18 | 395 |
| 100 | 230 | 215 | 180 | 8-18 | 415 |
| 125 | 258 | 245 | 210 | 8-18 | 460 |
| 150 | 265 | 280 | 240 | 8-18 | 500 |
| 200 | 295 | 335 | 295 | 8-23 | 710 |
| 250 | 325 | 390 | 350 | 12-23 | 1150 |
| 300 | 365 | 440 | 400 | 12-23 | 1400 |
| 350 | 420 | 500 | 460 | 12-23 | 1680 |
| 400 | 450 | 565 | 515 | 16-23 | 1750 |
| 450 | 480 | 615 | 565 | 20-25 | 1850 |
| 500 | 510 | 670 | 620 | 20-25 | 1950 |
| 600 | 540 | 780 | 725 | 20-30 | 2100 |
| 800 | 660 | 2350 | |||
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