8.2.9 Flange ANSI Class (code 38, 39)
ØL
ØD
øk
H1
FTF
Connection type flange, length MSS SP-88 (code 38)
1)
, SG iron material (code 17, 18, 83), investment casting material (code
39)
2)
MG
DN
NPS
øD
FTF
H1
øk
øL
n
Material
17, 18, 39
83
25
20
3/4"
100.0
146.0
146.4
20.5
69.9
15.9
4
25
1"
110.0
146.0
146.4
23.0
79.4
15.9
4
Connection type flange, length EN 558 (code 39)
1)
, cast iron material (code 8), SG iron material (code 17, 18, 83), investment
casting material (code 39, C3), forged material (code 40, 42)
2)
MG
DN
NPS
øD
FTF
H1
øk
øL
n
Material
8
17, 18,
39, 83
C3
40, 42
25
15
1/2"
90.0
130.0
19.0
18.0
13.0
19.0
60.3
15.9
4
20
3/4"
100.0
150.0
19.0
20.5
16.0
19.0
69.9
15.9
4
25
1"
110.0
160.0
19.0
23.0
19.0
19.0
79.4
15.9
4
Dimensions in mm
MG = diaphragm size
n = number of bolts
1)
Connection type
Code 38: Flange ANSI Class 150 RF, face-to-face dimension FTF MSS SP-88, length only for body configuration D
Code 39: Flange ANSI Class 125/150 RF, face-to-face dimension FTF EN 558 series 1, ISO 5752, basic series 1, length only for body config-
uration D
2)
Valve body material
Code 8: EN-GJL-250 (GG 25)
Code 17: EN-GJS-400-18-LT (GGG 40.3), PFA lined
Code 18: EN-GJS-400-18-LT (GGG 40.3), PP lined
Code 39: 1.4408, PFA lined
Code 40: 1.4435 (F316L), forged body
Code 42: 1.4435 (BN2), forged body, Δ Fe < 0.5%
Code 83: EN-GJS-400-18-LT (GGG 40.3), hard rubber lined
Code C3: 1.4435, investment casting
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GEMÜ 639 eSyStep
OPEN / CLOSE (Code AE)
8 Dimensions
