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Pressure Safety valve

The pressure release valve is suitable for oil- _immersed power transformers, power capacitors and on-load tap changers, etc., to protect the oil tank. When an oil-immersed transformer fails during operation, due to the overheating of the coil, part of the transformer is vaporized, and the pressure in the transformer tank increases rapidly. At this time, the pressure release valve operates quickly within 2ms to protect the tank from deformation or bursting. When the pressure in the fuel tank rises again to reach the opening pressure, the pressure release valve will act again until the pressure in the fuel tank drops to a normal value. Since the pressure release valve can be reliably closed after the action, the water and air outside the oil tank cannot enter the oil tank, and the inside of the transformer will not be polluted by the atmosphere.


Keywords



Product description


Use and performance:

The pressure release valve is suitable for oil- _immersed power transformers, power capacitors and on-load tap changers, etc., to protect the oil tank. When an oil-immersed transformer fails during operation, due to the overheating of the coil, part of the transformer is vaporized, and the pressure in the transformer tank increases rapidly. At this time, the pressure release valve operates quickly within 2ms to protect the tank from deformation or bursting. When the pressure in the fuel tank rises again to reach the opening pressure, the pressure release valve will act again until the pressure in the fuel tank drops to a normal value. Since the pressure release valve can be reliably closed after the action, the water and air outside the oil tank cannot enter the oil tank, and the inside of the transformer will not be polluted by the atmosphere.

Installation dimensions and specifications

 
Serial number

Code name

Model

Cut out

Cover opening
(D0)

Md(ΦD1×n-Md)

Injection caliber

Height
(H0)

Maximum outer diameter
(D)

Closing pressure

Opening pressure

Oil weight in tank
(T)

1

AM.XDC.005

YSF9-25/18THB

B

Φ42

M38×2

18

60

Φ55

19

25±5

<1.5

2

AM.XDC.001

YSF9-35/25JTHB

B

Φ55

M48×3

25

90

75

19

35±5

<1.5

3

AM.XDC.002

YSF9-35/50JTHB

B

Φ93

M80×3

50

100

105

19

35±5

1.5~4.5

4

AM.XDC.003

YSF9-35/25KJTHB

B

Φ55

M48×3

25

130

80

19

35±5

<1.5

5

AM.XDC.004

YSF9-35/50KJTHB

B

Φ93

M80×3

50

140

115

19

35±5

1.5~4.5

6

AM.XCC.001

YSF8-35/25JTHB

B

Φ40

M33×2

25

78

68

19

35±5

<1.5

7

AM.XCC.002

YSF8-35/50JTHB

B

Φ67

M60×2

50

105

95

19

35±5

1.5~4.5

8

AM.XCC.003

YSF8-35/25KJTHB

B

Φ40

M33×2

25

135

68

19

35±5

<1.5

9

AM.XCC.004

YSF8-35/50KJTHB

B

Φ67

M60×2

50

150

105

19

35±5

1.5~4.5

10

AM.XBC.001

YSF6-35/25JTHB

B

Φ40

M36×2

25

80

82

19

35±5

<1.5

11

AM.XBC.002

YSF6-35/25KJTHB

B

Φ40

M36×2

25

125

82

19

35±5

<1.5

12

AM.XBE.001

YSF6-55/80KJTHB

A

Φ90

M12×6×170

80

160

200

29.5

55±5

1.5~11.5

13

AM.XBE.002

YSF6-55/130KJTHB

A

Φ140

M16×6×235

130

170

260

29.5

55±5

11.5~23

14

AM.XCC.005

YSF8-35/50JTHB

A

Φ55

M12×4×130

50

120

95

19

35±5

1.5~4.5

15

AM.XCC.006

YSF8-35/50KJTHB

A

Φ55

M12×4×130

50

155

105

19

35±5

1.5~4.5

 

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