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Resilient seated OS&Y gate valve

Resilient seated OS&Y gate valve

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Description

Description:

Resilient seated OS&Y gate valve is a wedge gate valve and Rising stem type, and suitable for use with water and neutral liquids (sewage).

 

Material:

Parts

Material

Body

Cast iron,Ductile iron

Disc

Ductilie iron&EPDM

Stem

SS 416, SS 420, SS 431

Bonnet

Cast iron,Ductile iron

Stem nut

Bronze

 

Pressure test:

 

Nominal pressure

PN10

PN16

Test pressure

Shell

1.5 Mpa

2.4 Mpa

Sealing

1.1 Mpa

1.76 Mpa

Operation:

 

1. Manual actuation

 

In most cases,resilient seated gate valve are operated by handwheel or a cap top using a T-key.TWS offer handwheel with the right dimension according to the DN and operating torque.Regarding cap tops,TWS products comply with the different standards;

 

2. Buried installations

 

One special case of manual actuation occurs when the the valve buried and the actuation has to be done from th surface;

 

3. Electrical actuation

 

For remote control,allow the final user to monitor the operations of the valves.


Dimensions:


Type Size (mm) The D D1 b N-d0 H D0 Weight  (kg)
RS 50 178 165 125 19 19 380 180 11/12
65 190 185 145 19 4-F19 440 180 14/15
80 203 200 160 19 8-F19 540 200 24/25
100 229 220 180 19 8-F19 620 200 26/27
125 254 250 210 19 8-F19 660 250 35/37
150 267 285 240 19 8-Φ23 790 280 44/46
200 292 340 295 20 8-Φ23 / 12-Φ23 1040 300 80/84
250 330 395/405 350/355 twenty two 12-Φ23 / 12-Φ28 1190 360 116/133
300 356 445/460 400/410 24.5 12-Φ23 / 12-Φ28 1380 400 156/180

 


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