Page 77 - Catalogue 2019

DOUBLE FLANGED BUTTERFLY VALVE Z 612-A DOUBLE FLANGED BUTTERFLY VALVE Z 612-A

ØF Design with double flat shaft MATERIAL SPECIFICATION AND PARTS LIST Pos. 11-12 for
G G valves ≥ DN 500
H 1 H 2 11 12
11

2

1
A 7
3
9
Ø Di
C
Z
8

3
B

4
Pos. 4-6:
5 Plug screw for
ØD E 4 10 valves ≥ DN 350
5 6
Z 612-A with bare shaft end acc. to EN ISO 5211

Dimensions [mm] Pt. Description Material Material No. ASTM Pt. Description Material Material No. ASTM
DN Size Weight 1 Body 6 Screw
[mm] [in] A B C Ø Di Ø D E Ø F Flange G H1 H2 Z [kg] Nodular cast iron EN-GJS-400-18 LT EN-JS1025 Stainless Steel A4
350 14 330 277 607 338 535 78*(92) 148 F12 27 29 48 326*(330) 66*(74) 2 Seat 7/8 Shaft/Disc one piece
400 16 360 305 665 391 580 102 148 F12 27 29 48 378 107 NBR Nitrile butadiene rubber Stainless Steel X2CrNiMoN22-5-3 1.4462
450 18 397 347 744 427 639 114 175 F14 36 38 64 412 131 EPDM Ethylene propylene diene monomer rubber 9 Pin
500 20 437 371 808 489 715 127 175 F14 36 38 64 474 158 3 Bearing bush PTFE Polytetrafluorethylene PTFE PTFE
600 24 498 435 933 582 830 154 210 F16 46 48 82 562 261 Brass CuZn39Pb3 CW614N 10 Screw
* Face to face dim. acc. to EN 558 Series 20, 78mm Subject to change without notice 4 Seal Stainless Steel A4
Face to face dim. acc. to EN 558 Series 25, 92mm
Copper Cu 11 Wiper ring / upper bearing bush
NBR Nitrile butadiene rubber PTFE Polyterafluorethylen PTFE PTFE
5 Plug screw DIN 908 Brass CuZn39Pb3 CW614N
Stainless steel G-X5CrNiMo19-11-2 1.4408 CF8M 12 O-Ring
Carbon steel S235JR NBR Nitrile butadiene rubber
Nodular cast iron EN-GJS-400-15 EN-JS1030 Above-mentioned materials of the basic version, other materials upon request
Subject to change without notice