Globe Check Valve
globe check valve
1. The valve disc moves up and down in the valve body. When the medium flows back, the valve is automatically closed by the medium pressure. Some valves are equipped with springs to assist the valve disc to close.
2. The valve seat sealing surface is made of cobalt-based hard alloy plasma spray welding. The sealing surface has high hardness, wear resistance, scratch resistance, and long service life.
3. When the pump stops running, the spring force closes the valve disc first, thus preventing water hammer.
4. The spring is made of stainless steel because it has strong corrosion resistance.
|
DN
|
1.0-4.0MPa
|
6.4-10.0MPa
|
||
|
L
|
H
|
L
|
H
|
|
|
DN25
|
160
|
275
|
230
|
80
|
|
DN32
|
180
|
280
|
260
|
140
|
|
DN40
|
200
|
330
|
260
|
160
|
|
DN50
|
230
|
350
|
300
|
170
|
|
DN65
|
290
|
400
|
340
|
190
|
|
DN80
|
310
|
355
|
380
|
210
|
|
DN100
|
350
|
415
|
430
|
230
|
|
DN125
|
400
|
460
|
500
|
255
|
|
DN150
|
480
|
510
|
550
|
290
|
|
DN200
|
600
|
710
|
650
|
350
|
|
DN250
|
730
|
830
|
775
|
415
|
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