WIKA PSD-4 Mode D'emploi page 33

9. Specifications
G
G ¼ A DIN 3852-E
G ½ A DIN 3852-E
Female thread
G L1 L2 L3
1)
G ¼ 20 15 12
(0.79) (0.59) (0.47)
1) Ermeto compatible
2) Welding sockets recommended as defined
counter-thread (see accessories)
WIKA operating instructions pressure switch, model PSD-4
L1
G
14 (0.55)
G ¼ B EN 837
17 (0.67)
G ½ B EN 837
Female thread
D1 G L1
∅ 25
G ¼ 20
(0.98)
EN 837 (0.79)
L1
13 (0.51)
20 (0.79)
L2 L3 D1 G
13 10 ∅ 25 G ½ B
(0.51) (0.39) (0.98)
G
¼ NPT
½ NPT
R ¼
PT ¼
Flush
L1 L2 L3
23 20.5 10
2)
(0.91) (0.81) (0.39)
EN
L1
13 (0.51)
19 (0.75)
13 (0.51)
13 (0.51)
D1
∅ 18
(0.71)
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