8.2.5 Threaded socket NPT (code 31)
R
L
t
SW2
H
H1
Connection type threaded socket NPT (code 31)
1)
, investment casting material (code 37)
2)
MG
DN
NPS
H
H1
L
n
R
SW 2
t
25
15
1/2"
29.0
14.8
85.0
6.0
NPT 1/2
27.0
14.0
20
3/4"
34.0
17.3
85.0
6.0
NPT 3/4
32.0
14.0
25
1"
43.0
21.8
110.0
6.0
NPT 1
41.0
17.0
Dimensions in mm
MG = diaphragm size
n = number of flats
1)
Connection type
Code 31: Threaded socket NPT
2)
Valve body material
Code 37: 1.4408, investment casting
8.2.6 Threaded spigot DIN (code 6)
H1
R
ød1
L
Connection type threaded spigot DIN (code 6)
1)
, forged material (code 40, 42)
2)
MG
DN
NPS
ød1
H1
L
R
8
10
3/8"
10.0
8.5
92.0
Rd 28 x 1/8
10
10
3/8"
10.0
12.5
118.0
Rd 28 x 1/8
15
1/2"
16.0
12.5
118.0
Rd 34 x 1/8
25
15
1/2"
16.0
19.0
118.0
Rd 34 x 1/8
20
3/4"
20.0
19.0
118.0
Rd 44 x 1/6
25
1"
26.0
19.0
128.0
Rd 52 x 1/6
Dimensions in mm
MG = diaphragm size
1)
Connection type
Code 6: Threaded spigot DIN 11851
2)
Valve body material
Code 40: 1.4435 (F316L), forged body
Code 42: 1.4435 (BN2), forged body, Δ Fe < 0.5%
GEMÜ 639 eSyStep
OPEN / CLOSE (Code AE)
www.gemu-group.com
23 / 67
8 Dimensions