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
40
40
1½"
125.0
175.0
171.4
33.0
98.4
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
40
32
1¼"
115.0
180.0
28.0
28.7
24.0
26.0
88.9
15.9
4
40
1½"
125.0
200.0
28.0
33.0
26.0
26.0
98.4
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
