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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.

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      

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
100
18,5
410
190
1,6 (16)
On request
125
25
480
200
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)

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