Handle-ear type butterfly valve
Technical Specifications
Product model: LD71X-10/16/25Q
Nominal diameter: DN50 - 150
Nominal pressure: PN10/16/25
Applicable media: water, oil products, steam, etc.
Applicable temperature range: 0 - 80℃
Design standard: GB/T12238
Upper flange standard: ISO521
Test pressure standard: GB/T 13927
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Product Details
Product Overview
The handle-ear type butterfly valve is a type of valve that uses a disc-shaped opening and closing element to rotate approximately 90° to open, close and regulate the flow channel of the fluid. It is suitable for use in food, medicine, chemical, petroleum, power, textile, papermaking and other industries in water supply and gas pipelines, serving the functions of regulating flow and blocking the medium.
Product features
1. The design is novel, reasonable, with a sound structure, light in weight, and quick to open and close.
2. The operating torque is small, the operation is convenient, and it is both labor-saving and agile.
3. It can be installed at any position and is convenient for maintenance.
4. The sealing components can be replaced, and the sealing performance is reliable, achieving a double-sealing with zero leakage.
5. The sealing material has the characteristics of being resistant to aging and corrosion, and having a long service life.
6. The flow characteristics tend to be linear, and the regulating performance is excellent.
7. By choosing different material for the components, it is possible to be compatible with various media.
Main dimensions of the shape
|
DN |
Dimensions of the shape |
PN10 |
PN16 |
PN25 |
||||||||||
|
mm |
in |
L |
L1 |
A |
B |
D1 |
D2 |
H |
D |
n-M |
D |
n-M |
D |
n-M |
|
50 |
2 |
42 |
46 |
131.5 |
75 |
91.5 |
74 |
260 |
125 |
4-M16 |
125 |
4-M16 |
125 |
4-M16 |
|
65 |
2.5 |
45 |
49 |
138 |
88 |
106.5 |
86 |
260 |
145 |
4-M16 |
145 |
4-M16 |
145 |
8-M16 |
|
80 |
3 |
45 |
49 |
152.8 |
98 |
122.5 |
101 |
260 |
160 |
8-M16 |
160 |
8-M16 |
160 |
8-M16 |
|
100 |
4 |
52 |
55 |
167.5 |
114 |
155 |
131 |
260 |
180 |
8-M16 |
180 |
8-M16 |
190 |
8-M20 |
|
125 |
5 |
55 |
58 |
182.5 |
127 |
183 |
156 |
260 |
210 |
8-M16 |
210 |
8-M16 |
220 |
8-M24 |
|
150 |
6 |
56 |
59 |
195 |
141 |
213 |
185 |
260 |
240 |
8-M20 |
240 |
8-M20 |
250 |
8-M24 |
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