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Flange hard seal/fluoroplastic seal eccentric butterfly valve D43H/F-10 (P.R.V)
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Product details
Introduction to D43H/F-10 (P.R.V) flange hard seal/fluoroplastic seal eccentric butterfly valve
The D43H/F-10 (P.R.V) flange hard seal/fluoroplastic seal eccentric butterfly valve adopts a precision J-shaped elastic seal ring and a three eccentric multi-level metal hard seal structure. It is widely used in industrial pipelines such as metallurgy, power, petrochemicals, water supply and drainage, and municipal construction where the medium temperature is ≤ 425 ℃, for regulating flow and carrying fluids.
Characteristics of D43H/F-10 (P.R.V) flange hard seal/fluoroplastic seal eccentric butterfly valve
1. The metal hard sealed butterfly valve adopts a three eccentric sealing structure, with almost no wear on the valve seat and butterfly plate, and has a sealing function that becomes tighter as viewed.
2. The sealing ring is made of stainless steel, which has the dual advantages of metal hard sealing and elastic sealing. It has excellent sealing performance in both low and high temperatures, corrosion resistance, and long service life.
3. The sealing surface of the butterfly plate is made of welded cobalt based hard alloy, which is wear-resistant and has a long service life.
4. The large-sized butterfly plate adopts a frame structure with high strength, large overcurrent area, and low flow resistance.
5. Metal hard sealed butterfly valves have bidirectional sealing function, and are not limited by the flow direction of the medium or the spatial position during installation. They can be installed in any direction.
6. The drive device can be installed in multiple stations (rotated 90 ° or 180 °) for easy user use.
Structural diagram of D43H/F-10 (P.R.V) flange hard seal/fluoroplastic seal eccentric butterfly valve
D43H/F-10 (P.R.V) flange hard seal/fluoroplastic seal eccentric butterfly valve performance parameters
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Connection type: flange |
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Nominal diameter: DN40～DN250(mm) |
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Applicable media: water, oil, steam, corrosive liquids |
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Pressure range: 1.0-6.4MPa |
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Applicable temperature:- 20℃～232℃～350℃ |
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Main materials: gray cast iron, carbon steel, stainless steel |
D43H/F-10 (P.R.V) flange hard seal/fluoroplastic seal eccentric butterfly valve parts material
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name |
material |
|
valve body |
Carbon steel, stainless steel, chromium molybdenum vanadium steel |
|
Valve plate |
Carbon steel, stainless steel, chromium molybdenum vanadium steel |
|
valve stem |
2Cr13 stainless steel, chromium molybdenum vanadium steel |
|
sealing ring |
Stainless steel, polytetrafluoroethylene |
|
filler |
Flexible graphite, polytetrafluoroethylene |
D43H/F-10 (P.R.V) flange hard seal/fluoroplastic seal eccentric butterfly valve external dimensions
|
orifice |
Dimensions |
1.0-1.6MPa |
2.5MPa |
|||||||||
|
mm |
lncb |
L |
H |
H1 |
D |
D1 |
A |
Z-φd |
D |
D1 |
A |
Z - φ d |
|
50 |
2 |
108 |
75 |
192 |
165 |
125 |
275 |
4-18 |
165 |
125 |
275 |
4-18 |
|
65 |
21/2 |
112 |
93 |
218 |
185 |
145 |
275 |
4-18 |
185 |
145 |
275 |
8-18 |
|
80 |
3 |
114 |
110 |
230 |
200 |
160 |
275 |
8-18 |
200 |
160 |
275 |
8-18 |
|
100 |
4 |
127 |
140 |
240 |
220 |
180 |
275 |
8-18 |
235 |
190 |
275 |
8-22 |
|
125 |
5 |
140 |
175 |
290 |
250 |
210 |
362 |
8-18 |
270 |
220 |
362 |
8-26 |
|
150 |
6 |
140 |
180 |
310 |
285 |
240 |
362 |
8-22 |
300 |
250 |
362 |
8-26 |
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