Main Technical Parameters
Series |
520D |
Nominal Diameter(mm) |
DN200 ～ 2000 |
Nominal Pressure (Mpa) |
0.6/1.0/1.6 |
Shell Testing Pressure (Mpa) |
Nominal Pressure X1.5 |
Seal Testing Pressure (Mpa) |
Nominal Pressure X1.1 |
Coated |
Ethylene Polyester Painting ,Nylon11,Baking Vanish, Coated Ethoxyline |
Actuator |
Hand Lever, Worm Gear, Electric, Pneumatic |
Suitable Mediums |
Water, Salts ,Acid, Alkali, Air, Oils, Food, Steam, etc |
Optionl Standard Catalogue
| Items |
Selected Standard |
Optional Standard |
| Design,Manufacturing&checking |
ISO 10631-1991 |
GB/T 12238-1989 |
| Structure Length |
ISO 5752-1988 |
GB/T 12221-1989 |
| Flange Connection |
ISO 7005.2 |
GB 9113-1988 |
| Valve Checking |
ISO 5208-1987 |
GB/T 13927-1992 |
| Valve Label |
ISO 5209-1987 |
GB 12220-1989 |
| Connection of Actuator |
ISO 5211-1982 |
GB 12223-1989 |
| Requirements of Valve Supply |
_____ |
GB/T 12252 |
Optionl Materials
| Main Part |
Material |
Suitable Specification |
Main Part |
Material |
Suitable Specification |
| Body |
Ductile Iron
Cast Iron Cast Steel |
200mm ~ 2000mm |
Packing |
Flexible PTFE Flexible Graphite Rubber |
200mm ~ 2000mm |
| Pin Axis |
Stainless Steel |
200mm ~ 2000mm |
stem |
416/316/304 Precipitation Hardening Stainless Steel |
200mm ~ 2000mm |
| Disc |
Stainless Steel CF8/CF 8M Plated Ductile Iron Coated Ductile Iron Ductile Iron Plated modified pottery |
200mm ~ 2000mm |
Seal Ring |
NBR EPDM VITON SEP Anti-heat EPDM Anti-friction EPDM |
200mm ~ 2000mm |
Note:The haolifa butterfly valves accord with not only IOS.GB but also other standards in the world.
External Parameters of Single-eccentric Butterfly Valve
Specification |
φ a |
φ b |
φ c |
L1 |
H1 |
H2 |
n- φ m |
n- φ 4 |
φ 2 |
PN0.6 |
PN1.0 |
PN1.6 |
Long Structure |
Short Structure |
PN0.6 |
PN 1.0 |
PN1.6 |
DN200 |
340 |
200 |
280 |
295 |
295 |
230 |
152 |
249 |
175 |
8- φ 18 |
8- φ 22 |
12- φ 22 |
4- φ 12 |
102 |
DN250 |
405 |
250 |
335 |
350 |
355 |
250 |
165 |
259 |
203 |
12- φ 18 |
12- φ 22 |
12- φ 26 |
4- φ 14 |
125 |
DN300 |
460 |
320 |
395 |
400 |
410 |
270 |
178 |
310 |
242 |
12- φ 22 |
12- φ 23 |
12- φ 26 |
4- φ 14 |
125 |
DN350 |
520 |
370 |
445 |
460 |
470 |
290 |
190 |
368 |
267 |
12- φ 22 |
16- φ 23 |
16- φ 26 |
4- φ 18 |
140 |
DN400 |
580 |
425 |
495 |
515 |
525 |
310 |
216 |
400 |
330 |
16- φ 22 |
16- φ 26 |
16- φ 30 |
4- φ 18 |
140 |
DN450 |
640 |
475 |
550 |
565 |
585 |
330 |
222 |
430 |
360 |
16- φ 22 |
20- φ 26 |
20- φ 30 |
4- φ 22 |
165 |
DN500 |
715 |
529 |
600 |
620 |
650 |
350 |
229 |
485 |
400 |
20- φ 22 |
20- φ 26 |
20- φ 33 |
4- φ 22 |
165 |
DN600 |
840 |
629 |
705 |
725 |
770 |
390 |
267 |
515 |
450 |
20- φ 26 |
20- φ 30 |
20- φ 36 |
8- φ 18 |
254 |
DN700 |
910 |
729 |
810 |
840 |
840 |
430 |
292 |
560 |
500 |
24- φ 26 |
24- φ 30 |
24- φ 36 |
8- φ 18 |
254 |
DN800 |
1025 |
837 |
920 |
950 |
950 |
470 |
318 |
595 |
550 |
24- φ 30 |
24- φ 33 |
24- φ 39 |
8- φ 22 |
298 |
DN900 |
1125 |
937 |
1020 |
1050 |
1050 |
510 |
330 |
660 |
600 |
24- φ 30 |
28- φ 33 |
28- φ 39 |
8- φ 22 |
298 |
DN1000 |
1230 |
1042 |
1120 |
1160 |
1170 |
550 |
410 |
730 |
670 |
28- φ 30 |
28- φ 36 |
28- φ 42 |
8- φ 33 |
356 |
DN1200 |
1455 |
1232 |
1340 |
1380 |
1390 |
630 |
470 |
850 |
780 |
32- φ 33 |
32- φ 39 |
32- φ 48 |
8- φ 33 |
356 |
DN1400 |
1675 |
1430 |
1560 |
1590 |
1590 |
710 |
530 |
990 |
910 |
36- φ 36 |
36- φ 42 |
36- φ 48 |
8- φ 39 |
406 |
DN1600 |
1915 |
1610 |
1760 |
1820 |
1820 |
790 |
600 |
1120 |
1040 |
40- φ 36 |
40- φ 48 |
40- φ 55 |
8- φ 39 |
406 |
DN1800 |
2115 |
2115 |
1970 |
2020 |
2020 |
870 |
670 |
1270 |
1180 |
44- φ 39 |
44- φ 48 |
44- φ 55 |
8- φ 39 |
406 |
DN2000 |
2325 |
2325 |
2180 |
2230 |
2230 |
950 |
760 |
1350 |
1250 |
48- φ 42 |
48- φ 48 |
48- φ 60 |
12- φ 39 |
483 |
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