Main Technical Parameters
| Series |
700D/720D |
| Nominal Diameter(mm) |
DN80 ～ 600 |
| Nominal Pressure (Mpa) |
1.6/2.5/4.0 |
| 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 Materials
| Main Part |
Material |
Suitable Specification |
Main Part |
Material |
Suitable Specification |
| Body |
Ductile Iron
Cast Iron
Cast Steel
Stainless Steel |
80mm ~ 600mm |
Packing |
Flexible PTFE
Flexible Graphite |
80mm ~ 600mm |
| Pin Axis |
Stainless Steel |
80mm ~ 600mm |
stem |
416/316/304
Precipitation Hardening
Stainless Steel |
80mm ~ 600mm |
| Disc |
Stainless Steel CF8/CF8M Plated Ductile Iron Coated Ductile Iron Ductile Iron Plated modified pottery
316L
Two-way Stainless Steel
Kazakh-style AlloyCarbon Plated |
80mm ~ 600mm |
Seal Ring |
Stainless Combined Layer |
80mm ~ 600mm |
Main Technical Parameters
| 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 |
Note:The haolifa butterfly valves accord with not only IOS.GB but also other standards in the world. External Parameters of Tri-eccentric Butterfly Valve (700D/720D Series)
| Nominal Diameter |
L |
D1 |
D2 |
H1 |
H2 |
Φ 2 |
n- Φ 4 |
Φ a |
Φ b |
n- Φ d |
n- Φ m |
| 700D |
720D |
| DN80 |
49 |
114 |
The Figure depends on the nominal pressure confirmed by customers. |
135 |
180 |
95 |
70 |
4- Φ 10 |
200 |
The Figure depends on the nominal pressure confirmed by customers. |
The Figure depends on the nominal pressure confirmed by customers. |
The Figure depends on the nominal pressure confirmed by customers. |
| DN100 |
56 |
127 |
160 |
200 |
114 |
70 |
4- Φ 10 |
235 |
| DN125 |
64 |
140 |
188 |
210 |
127 |
102 |
4- Φ 12 |
270 |
| DN150 |
70 |
140 |
218 |
220 |
139 |
102 |
4- Φ 12 |
300 |
| DN200 |
71 |
152 |
282 |
260 |
175 |
140 |
4- Φ 18 |
375 |
| DN250 |
76 |
165 |
345 |
290 |
203 |
165 |
4- Φ 22 |
450 |
| DN300 |
83 |
178 |
408 |
330 |
242 |
165 |
4- Φ 22 |
515 |
| DN350 |
92 |
190 |
465 |
368 |
267 |
254 |
8- Φ 18 |
580 |
| DN400 |
140 |
216 |
535 |
400 |
297 |
254 |
8- Φ 18 |
660 |
| DN450 |
152 |
222 |
560 |
420 |
315 |
298 |
8- Φ 22 |
685 |
| DN500 |
159 |
229 |
612 |
480 |
348 |
298 |
8- Φ 22 |
755 |
| DN600 |
178 |
267 |
730 |
560 |
444 |
356 |
8- Φ 33 |
890 |
|
