Stainless Steel Butterfly Valve Manual Butterfly
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. Working Principle
Ventilation butterfly valve is divided into manual and electric drive, can be driven by the motor or turbine drive actuator, so that the butterfly plate in the 90 ° range of free rotation to achieve the purpose of opening and closing or regulating the flow of media.
3. Specification
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 |