GEM 656 Operating Instructions Manual page 19

8.2.3 Flange EN (code 52)
Connection type flange, length EN 558 (code 52)
MG DN
200 200
Connection type flange, length EN 558 (code 52)
MG DN
250 250
Dimensions in mm
MG = diaphragm size
n = number of bolts
1) Connection type
Code 52: Flange EN 1092, PN 10, form A, face-to-face dimension FTF EN 558 series 7, ISO 5752, basic series 7
2) Valve body material
Code 8: EN-GJL-250 (GG 25)
Code 13: EN-GJL-250 (GG 25), hard rubber lined
Code 16: EN-GJS-500-7 (GGG-50), hard rubber lined
Code 52: EN-GJL-250 (GG 25), soft rubber lined
Code 58: EN-GJL-250 (GG 25), butyl lined
Code 92: EN-GJS-500-7 (GGG 50), soft rubber lined
Code 98: EN-GJS-500-7 (GGG 50), butyl lined
www.gemu-group.com
FTF
1) , cast iron material (code 8), SG iron material (code 16, 92, 98)
NPS øD
8" 340.0 521.0
1) , cast iron material (code 8, 13, 52, 58)
NPS øD
10" 400.0 635.0
ØL
FTF H1
Material Material
8 16, 92, 98 8, 16, 92,
98
531.0 59.0
FTF H1
Material Material
8 13, 52, 58 8, 13, 52,
58
647.0 78.0
19 / 36
2)
øk øL
295.0 22.0
2)
øk øL
350.0 22.0
8 Dimensions
n
8
n
12
GEMÜ 656