[Essential information]
Rubber lined butterfly valve used in linear design, the main structure of the valve from the valve body, valve plate, valve seat, valve rod and drive operation mechanical components, according to the physical and chemical properties of different media, the selection of high temperature resistance, the corresponding low temperature resistance, corrosion resistance, light resistance, aging resistant material; different combinations can be used for various mediums and different temperature.
Test pressure(mpa) | ||
Airtight | Seal up | Strength |
0.6 | 1.1 | 1.5 |
Length of clip type structure
DN | D50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 |
L | 43 | 46 | 46 | 52 | 56 | 56 | 60 | 68 | 78 | 78 | 102 | 114 |
DN | 500 | 600 | 700 | 800 | 900 | 1000 | 1200 |
L | 127 | 154 | 165 | 190 | 203 | 216 | 254 |
Flange type length
DN | D50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 |
L | 108 | 112 | 114 | 127 | 140 | 140 | 152 | 165 | 178 | 190 | 216 | 222 |
DN | 500 | 600 | 700 | 800 | 900 | 1000 | 1200 |
L | 229 | 267 | 292 | 318 | 330 | 410 | 470 |
Valve body | Cast iron, carbon steel, stainless steel, determined by the customer |
Valve seat | Three yuan ethylene propylene rubber EPDM or by customer |
Valve plate | Nickel plated plate, stainless steel plate, lining board, 2057 plate, 1.4529 plate and so on by the customer |
The stem | Carbon steel, 2CR133042507,1.4529 and so on, determined by the customer |
Drive device | Determined by the customer |
[Standard parameter]
Design standard | AWWA-C540-80、GB/T12238 |
Structural length | GB/T12221 |
Connection standard | GB/T17241.2、GB/T 9113 |
Inspection and test | GB/T13927 |
[Valve features]
[Adaptive condition]
Rubber lined butterfly valves are widely used in petroleum, chemical, metallurgical, fertilizer, power, pharmaceutical, municipal, building, fire fighting, heating, water supply, drainage, sewage treatment and other industries on the fluid pipeline as a mediation and closure device.