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Cantonese Flanged Ball Valve

Cantonese Flanged Ball Valve

Cantonese flanged ball valve and gate valve are the same type of valve, the difference is that its closing part is a sphere, and the sphere rotates around the center line of the valve body to open and close a valve. Ball valves are mainly used to cut off, distribute and change the flow direction of the medium in the pipeline. Cantonese ball valve is a new type of valve that has been widely used in recent years. This valve is generally installed horizontally

  • Item NO.:

    XUVAL77-125
  • Lead Time:

    45Days
  • Product Orgin:

    CHINA
  • Brand:

    XUVAL
  • Shipping Port:

    Shanghai
  • Payment:

    100%TT
  • Color:

    Silvery
  • MOQ:

    10
Products Details

Product Introduction:

Cantonese flanged ball valve and gate valve are the same type of valve, the difference is that its closing part is a sphere, and the sphere rotates around the center line of the valve body to open and close a valve. Ball valves are mainly used to cut off, distribute and change the flow direction of the medium in the pipeline. Cantonese ball valve is a new type of valve that has been widely used in recent years. This valve is generally installed horizontally


Product Features:

The fluid resistance is small, and its resistance coefficient is equal to that of the pipe section of the same length

Simple structure, small size and light weight.

Tight and reliable. At present, the sealing surface material of ball valve is widely used plastic, which has good sealing performance and has also been widely used in vacuum system.

The maintenance is convenient, the ball valve has a simple structure, the sealing ring is generally movable, and it is more convenient to disassemble and replace.

Easy to operate, open and close quickly, just rotate 90° from fully open to fully closed, which is convenient for long-distance control.


working principle

一、Open process
1.In the closed position, the ball is pressed against the valve seat by the mechanical pressure of the valve stem
2.When the handwheel is turned counterclockwise, the valve stem moves in the opposite direction, and its bottom angular flat makes the ball disengage from the valve seat
3.The stem continues to lift and interacts with the guide pins in the helical grooves of the stem, causing the ball to begin to rotate without friction
4.Until it reaches the fully open position, the valve stem is lifted to the limit position, and the ball rotates to the fully open position

二、Close process

1. To close, turn the handle clockwise, the stem begins to descend and the ball leaves the seat to begin to rotate.

2. Continue to rotate the handwheel, the valve stem is acted by the guide pin embedded in the upper spiral groove, so that the valve stem and the ball rotate 90° at the same time.

3. When close to closing, the ball has rotated 90° without contact with the valve seat.

4. During the last few turns of the handwheel, the angular flat at the bottom of the valve stem mechanically wedges against the sphere, making it tightly pressed against the valve seat to achieve a complete seal.


Materials of main parts:

Part Name

Q41F-(16-64)C

Q41F-(16-64)P

Q41F-(16-64)R

Body

WCB

CF8

CF8M

Ball

WCB

CF8

CF8M

Bonnet

304

304

304

Stem

304

304

304

Seal ring

PTEF

Packing gland

PTEF


Main outer size(PN16):

d

d2

L

D

D1

D2

b

f

Z-d1

H

W

DN(mm)

in

 

 

 

 

 

 

 

 

 

 

 

15

1/2

10

15

92

95

65

45

14

2

4-14

60

110

20

3/8″

12.6

20

106

75

105

55

14

2

4-14

65

110

25

1″

17

24

109

85

115

65

16

2

4-14

70

110

32

1 1/4″

22

32

126

100

135

78

16

2

4-18

85

145

40

1 1/2″

25

38

136

110

145

85

16

3

4-18

90

145

50

2″

32

46

154

125

160

100

18

3

4-18

98

177

65

2 1/2″

44

60

170

145

180

120

20

3

8-18

110

190

80

3″

50

72

195

160

195

135

22

3

8-18

130

240

100

4″

65

92

215

180

215

155

22

3

8-18

150

260




Specifications:

Nominal pressure:PN1.6,2.5,4.0,6.4MPa

Strength test pressure:PT2.4,3.8,6.0,9.6MPa

Seal test pressure:0.6MPa

Applicable medium:

Q41F-(16-64)C   Water,Oil,Gas

Proper temperature:-29~180

Q41F-(16-64)P   Nitric acid

Q41F-(16-64)R   Acetic acid



Packing & Delivery : 

Packing Details:all by seaworthy plywood case and packed strongly by packing belt as below
Delivery Details:Generally it is 5-10 days if the goods are in stock. or15-30 days if the goods are OEM or not
enough subject to the order quantity. But anyway, normally, we are able to make sure the delivery will not exceed 45days.






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    If you are interested in our valves and want to know more details,please leave a message here,we will reply you as soon as we can.