6

10

12

20

25

32

40

50

130

200

220

250

300

350

500

check valves

Whitworth-Pipe thread (BSP), DIN EN ISO 228-1

1"

1.1/2"

1.1/4"

1/2"

1/4"

2"

3/4"

3/8"

imperial

imperial

G 1"

G 1.1/2"

G 1.1/4"

G 1/2"

G 1/4"

G 2"

G 3/4"

G 3/8"

G 1"

G 1.1/2"

G 1.1/4"

G 1/2"

G 1/4"

G 2"

G 3/4"

G 3/8"