Gate valves
Gate valve 30ch939r (LAZ) flanged cast iron with rubber wedge, non-rising stem for electric drive is used as a shut-off device on pipelines for drinking water, at temperatures up to 120 ° C and pressures up to 1.6 MPa (16 kgf / cm2) for DN50-150 and 1, 0MPa (10 kgf / cm2) for DN200-500. The ability to control a cast-iron gate valve with a rubberized wedge 30ch939r LAZ is carried out not only in electric mode, but also on site using a manual override of the electric drive.
On request
The gate valve 30ch939r has the following advantages:
- high reliability
- low torque
- there is no pit in the valve body
- double spindle seal
- high speed of overlapping or opening of the working environment
- gate valve 30ch39r is covered with epoxy paint, which increases the corrosion resistance of materials.
| № | Part name | Material | № | Part name | Material |
| 1 | Housing | Cast iron | 7 | O-rings | Rubber |
| 2 | Cap | Cast iron | 8 | Sleeve | Bronze |
| 3 | Wedge | Cast iron rubberized (EPDM) | 9 | Thrust nut | Cast iron |
| 4 | Spindle nut | Bronze | 10 | Sleeve | Steel 45 |
| 5 | Spindle | 11 | Spacer washer | Fluoroplastic | |
| 6 | Cover gasket | Rubber |
| Price | Diametr Dn, mm | Massa, kg | Height H, mm | Length L, mm | Pressure Pn, MPa (kgs/sm2) |
|---|---|---|---|---|---|
On request |
|||||
On request |
50
|
10
|
300
|
150
|
1,6 (16)
|
On request |
65
|
12
|
270
|
170
|
1,6 (16)
|
On request |
80
|
15,5
|
360
|
180
|
1,6 (16)
|
On request |
100
|
18,5
|
410
|
190
|
1,6 (16)
|
On request |
150
|
34
|
530
|
210
|
1,6 (16)
|
On request |
200
|
49
|
660
|
230
|
1,0 (10)
|
On request |
250
|
75
|
770
|
250
|
1,0 (10)
|
On request |
300
|
110
|
870
|
270
|
1,0 (10)
|
On request |
350
|
176
|
1020
|
290
|
1,0 (10)
|
On request |
400
|
219
|
1230
|
310
|
1,0 (10)
|
On request |
500
|
404
|
1380
|
350
|
1,0 (10)
|
