Hebei Qiaoda Environmental Protection Technology Co., Ltd.
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C504 Class 125 Ductile Iron Butterfly Valve Manual Control For Water Gas Oil
1. Introduction
Butterfly valve is a simple structure of the regulating valve, but also can be used for low-pressure pipeline media switching control. Ventilation butterfly valve is a kind of non-closed type butterfly valve. Main products: large ventilation butterfly valve, electric ventilation butterfly valve, leakage rate of 0, explosion-proof ventilation butterfly valve.
2. Classification
According to the working pressure
(1) Vacuum butterfly valve. Working pressure is lower than the standard pile of atmospheric calendar butterfly valve.
(2) low-pressure butterfly valve. Nominal pressure PN <1.6MPa butterfly valve.
(3) medium pressure butterfly valve. Nominal pressure PN 2.5 - 6.4MPa butterfly valve.
(4) high-pressure disk valve. Nominal pressure PN 10.0 - 80.0MPa butterfly valve.
(5) ultra-high pressure butterfly valve. Nominal pressure PN> 100MPa butterfly valve.
According to the operating temperature
(1) high-temperature butterfly valve. t> 450 ℃ butterfly valve
(2) medium-temperature disk valve. 120 C <t <450 C butterfly valve
(3) room temperature butterfly valve. A 40 C <t <; 120 C butterfly valve
(4) Low temperature butterfly valve. A 100 <t < 40 C butterfly valve
(5) Ultra-low temperature butterfly valve. t < 100 C butterfly valve
According to the connection
(1)Clamped butterfly valve
(2) flange butterfly valve
(3)Lug type butterfly valve
(4) welded butterfly valve
3. Parameter
| Product name | Ventilation butterfly valve | Product brand | QiaoDa | ||||||||||
| Product classification | Flue valve | Nominal pressure | Atmospheric pressure | ||||||||||
| Product material | Carbon steel or stainless steel | Product size | According to the drawing | ||||||||||
| Product caliber | DN300-2000 | Product weight | According to the drawing | ||||||||||
| Model number | diameter | 0 | D | D. | B | L | t | d | d | Bolt hole number (n) | |||
| (mm) | |||||||||||||
| D04101 | 100 | 195 | 100 | 160 | 80 | 177 | 14 | φ15 | 14 | 4 | |||
| DD4102 | 150 | 250 | 150 | 215 | 238 | 17×17 | |||||||
| D04103 | 200 | 305 | 200 | 270 | 270 | 16 | 8 | ||||||
| D04104 | 250 | 365 | 260 | 330 | 90 | 300 | 12 | ||||||
| D04105 | 300 | 430 | 310 | 385 | 180 | 342 | 18 | ||||||
| DD4106 | 350 | 480 | 360 | 435 | 367 | ||||||||
| DD4107 | 400 | 535 | 410 | 490 | 392 | 20 | 18 | ||||||
| D04108 | 450 | 585 | 460 | 540 | 417 | ||||||||
| DD4109 | 500 | 645 | 520 | 600 | 447 | ||||||||
| 00410 | 600 | 745 | 620 | 700 | 497 | 16 | |||||||
| D04111 | 700 | 850 | 710 | 800 | 260 | 570 | 22 | 32×32 | |||||
| DD4112 | 800 | 950 | 810 | 900 | 620 | 20 | |||||||
| 004113 | 900 | 1050 | 910 | 1000 | 670 | ||||||||
| D04114 | 1000 | 1150 | 1010 | 1100 | 720 | 22 | |||||||
| DD4115 | 1100 | 1250 | 110 | 1200 | 300 | 790 | 24 | ||||||
| DD4116 | 1200 | 1350 | 1210 | 1300 | 840 | ||||||||
| DD4117 | 1300 | 1450 | 1310 | 1400 | 890 | 24 28 | |||||||
| DD4118 | 1400 | 1550 | 1410 | 1500 | 940 | ||||||||
