GEM 639 eSyStep Operating Instructions Manual page 20

8 Dimensions
8.2.4 Threaded socket
SW2
MG DN
R
8 8
G1/4
10 12
G3/8
15
G1/2
25 15
G 1/2
20
G 3/4
25
G 1
Dimensions in mm, MG = diaphragm size
n = number of flats
1) Connection type
Code 1: Threaded socket DIN ISO 228
2) Valve body material
Code 37: 1.4408, investment casting
8.2.5 Threaded spigot
MG DN
H1
8 10
8.5
10 10
12.5
15
12.5
25 15
19.0
20
19.0
25
19.0
Dimensions in mm, MG = diaphragm size
1) Connection type
Code 6: Threaded spigot DIN 11851
Code 62: Threaded spigot on one side, DIN 11851, cone spigot and union nut, DIN 11851 on the other side
2) Valve body material
Code 40: 1.4435 (F316L), forged body
Code 42: 1.4435 (BN2), forged body, Δ Fe < 0.5%
GEMÜ 639
OPEN / CLOSE (Code AE)
t
L
H H1
19.0 9.0
25.0 13.0
30.0 15.0
29.0 16.0
32.0 16.0
37.0 16.0
L
ød1
10.0
10.0
16.0
16.0
20.0
26.0
Connection type code 1 1)
Material code 37 2)
t
11.0 72.0
12.0 55.0
15.0 68.0
15.0 85.0
16.0 85.0
13.0 110.0
Connection types code 1)
Material code 40, 42 2)
R
Rd 28 x 1/8
Rd 28 x 1/8
Rd 34 x 1/8
Rd 34 x 1/8
Rd 44 x 1/6
Rd 52 x 1/6
20 / 62
L SW 2
18.0
22.0
27.0
27.0
32.0
41.0
L
Code 6 Code 62
L
92.0
118.0 116.0
118.0 116.0
118.0 116.0
118.0 114.0
128.0 127.0
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n
6
2
2
6
6
6
L
90.0