item

nominal diameter

(mm)

JGD-A(1)

JGD-A(2)

JGD-A(3)

working pressure MPa(kgf/cm² )

1.0(10)

1.6(16)

2.5(25)

Explosion PressureMPa(kgf/cm² )

2.0(20)

3.0(30)

4.5(45)

vacuumKPa(mm/Hg)

40(300)

53.3(400)

86.7(650)

applicable temperature'C

-15~115under special conditions-30~250

applicable media

water ,sea water ,steam,oil .acid .alkali,and so on

nominal diamater

length 
mm

flange thickness
mm

the quality of hole  
n

Bolt hole diameter 
mm

Diameter of the central ring of the bolt(mm)

Axial displacement(mm)

Horizontal displacement 
mm

deflection  angle 
(a₁+a₂ )

mm

inch

extension

compression

50

2

165

18

4

17.5

125

30

50

45

35°

80

3

175

20

8

17.5

160

35

50

45

35°

100

4

225

22

8

17.5

180

35

50

40

35°

125

5

230

24

8

17.5

210

35

50

40

35°

150

6

325

24

8

22

240

35

50

40

35°

200

8

325

24

8

22

295

35

50

40

35°

250

10

325

28

12

22

350

35

60

35

30°

300

12

325

28

12

22

400

35

60

35

30°