Self-Operated Pressure Control Valve (GAZZYP / GAZZCP/ GAZZVP)

1. Self Operated Pressure regulating ValveIntroduction

GAZZC, GAZZV series self operated difference (little) Pressure Control Regulating valve Can be used in nominal pressure PN0.1 , PN10. The difference (little ) presses the regulation of segmenting. From 50mm.WC to 0.1MPa. self operated type difference (little ) Regulating valve of the pressure The use is very extensive, can be used in industry's combustion furnace system, control two kinds of supplies , such as coal gas , air discharge matching , burn in order to reach the ideal. Used in the sealed oil system of the hydrogen-cooled generating set , it is bad to control the pressure among the sealed oil and hydrogen, so as to ensure and seal reliably. Act as Difference presses the valve End not low-voltage the coherent Press the valve a little (Difference presses the valve to shoulder and press, the end is pressed, strength is zero).

2. Self Operated Pressure Regulating valve Characteristic

2.1 Do not need to stop producing and can go on adjustment of the establishing value;
2.2 There is no packing , exist not gritting at being have , not last activity valve stem,on seal more reliable
2.3 The sensitive element of executive body is extremely sensitive , the pinpoint pressure will be detected out while changing
2.4 The valve body is Stone's form , therefore K, B type body of a kind of valve very in common use

3.Regulating valve of the pressureMain technical parameter and performance index ( Form one)

Specified journey (mm)

20

25

32

40

50

65

80

100

Nominal pressure PN ( MPa)
Difference presses the range of regulating ( KPa)

GAZZCP/GAZZVP

8

11

20

32

50

80

100

160

GAZZCN

53

83

Specified journey (mm)

6

8

10

15

20

Nominal pressure PN (MPa)

0.10 1.0

Difference presses the range of regulating (KPa)

0.5~5.5 5~10 9~14 13~19 18~24
22~28 26~33 31~38 36~44 42~51
49~58 56~66 64~78 76~90 88~100

Medium temperature (degrees Centigrade)

≤ 80

Regulate the precision (%)

≤ 10

Allow the letting out amount (L/H )

GAZZCP/GAZZVP

The specified capacity of 10-4* valves (IV grade)

GAZZCN

The specified capacity of 5* 10-3* valves (II grade)

4. Dimension of the Self Operated Pressure Regulating valve : mm

Nominal and open directly (DN)

20

25

32

40

50

65

80

100

A

308

394

308

394

308

394

394

394

H

GAZZCP/GAZZVP

376

465

365

445

445

490

490

510

GAZZCN

536

536

570

590

L

GAZZCP/GAZZVP

150

160

180

20

230

290

310

350

GAZZCN

222

222

310

350

Weight (kg)

12

13

15

17

20

28

38

43

Lead and press and is in charge of the whorl to connect

M16* 1.5

Third , flange inch to the limit (form three)

Nominal and open directly (DN)

20

25

32

40

50

65

80

100

D

PN01PN10

105

115

140

150

165

185

200

220

D1

PN01

PN10

75

85

100

125

145

160

180

b

PN01 PN10

16

18

20

22

N- Φ

PN01 PN10

4-14

4-18

8-18

fl* D2

PN01 PN10

2* 56

3* 56

3* 76

3* 84

3* 99

3* 118

3* 132

3* 156