Original Factory Flow Control Butterfly Valve - Factory Directly supply China High Performance Wafer Type Soft Seal EPDM/PTFE/Rubber Lined Seat Butterfly Valve – Like Valve Detail:
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Our business has been focusing on brand strategy. Customers’ pleasure is our best advertising. We also offer OEM company for China Soft Seat Butterfly Valve, Double Shaft Butterfly Valve, Most problems between suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question items they do not understand. We break down people barriers to ensure you get what you want to the level you expect, when you want it. Faster delivery time and the product you want is our Criterion .
Product Structure Features:
1. Upper flange: standardized driving device flange, conforming to ISO5211
2. Valve body: ductile iron and other applicable materials shall be selected
3. Valve plate: the streamlined valve plate can effectively reduce pressure loss and flow loss. The edge of the valve plate is processed by spherical surface and polished manually. It has the characteristics of small specific operating torque, long service life of the valve seat and good sealing performance. It can be selected according to a variety of media materials. It is connected with the internal transmission of the rotating shaft, with better anti-corrosion performance.
4. Rubber valve seat: Shoe valve seat and integrated valve seat can completely isolate the valve body from the medium. Compared with other structural valves, the valve seat is installed more firmly and has a very low torque value. There is no need to add flange gaskets at both ends during installation. It can be applied to various materials and suitable for the end of the pipeline (lug type).
5. Valve rod: the central line type double half shaft valve rod is designed with flat, square and hexagonal valve plate transmission, two-way sealing, no leakage, and no flow restriction during installation.
7. “O” ring: NBR butyl rubber, effective dust prevention and internal leakage prevention.
8. ‘U’ type lock plate and circlip can effectively prevent the shaft from blowing out.
Main Performance Spcification
Nominal diameter | DN100-DN1200 | DN100-DN1200 | DN100-DN1200 | |
Nominal pressure | 1.0 | 1.6 | 2.5 | |
Test pressure | Seal(MPa) | 1.1 | 1.76 | 2.75 |
Shell(MPa) | 1.5 | 2.4 | 3.75 | |
Applicable temperature | -10℃~100℃ | |||
Applicable medium | Water, sewage, air, steam, food, medicine, various oils, acids, alkalis, salts, etc |
Main parts
Part name | texture of material |
valve body | Nodular cast iron, gray cast iron, cast steel body, stainless steel body |
Valve plate | Nodular cast iron |
Valve stem | SS410、SS416、SS431、SS304、20Cr13 |
valve seat | EPDM、NBR、Natural rubber, fluororubber, silica gel、PTFE |
O-ring | Ethylene propylene rubber, butadiene rubber |
axle sleeve | PTFE, bronze |
Main overall dimensions
Specifications | A | B | C | D | E | f | G | H | J | K | L | n- 1 | 2 | a | ||
mm | inch | |||||||||||||||
50 | 2 | 142.7 | 68 | 43 | 51.7 | 50 | 13 | 35 | 4.95 | 30.81 | 65 | 28 | 4-8 | 9*9 | - | 45 |
65 | 21/2 | 155.4 | 77 | 46 | 63.3 | 50 | 13 | 35 | 9.25 | 45.21 | 65 | 28 | 4-8 | 9*9 | - | 45 |
80 | 3 | 161.8 | 89 | 46 | 77.7 | 50 | 13 | 35 | 16.8 | 64.54 | 65 | 28 | 4-8 | 9*9 | - | 45 |
100 | 4 | 200 | 114 | 52.07 | 104 | 70 | 13 | 55 | 25.97 | 90.03 | 90 | 28 | 4-10 | 11*11 | - | 45 |
125 | 5 | 213 | 127 | 55.5 | 123.3 | 70 | 13 | 55 | 33.9 | 110.1 | 90 | 28 | 4-10 | 14*14 | - | 45 |
150 | 6 | 226 | 139 | 55.75 | 155.6 | 70 | 13 | 55 | 49.93 | 145.27 | 90 | 28 | 4-10 | 14*14 | - | 45 |
200 | 8 | 260 | 175 | 60.58 | 202.5 | 102 | 13 | 70 | 70.96 | 193.23 | 125 | 45 | 4-12 | 17*17 | - | 45 |
250 | 10 | 292 | 203 | 68 | 250.5 | 102 | 13 | 70 | 91.25 | 241 | 125 | 45 | 4-12 | 22*22 | - | 45 |
300 | 12 | 337 | 242 | 76.9 | 301.6 | 102 | 20 | 70 | 112.35 | 291.63 | 125 | 45 | 4-12 | 22*22/24*24 | - | 45 |
350 | 14 | 368 | 267 | 76.17 | 333.3 | 125 | 20 | 85 | 128.57 | 324.48 | 150 | 45 | 4-14 | - | 31.6 | 45 |
400 | 16 | 400 | 309 | 85.7 | 389.6 | 140 | 20 | 100 | 151.95 | 380 | 175 | 51 | 4-18 | - | 33.15 | 45 |
450 | 18 | 422 | 328 | 104.6 | 440.51 | 140 | 20 | 100 | 167.96 | 427.91 | 175 | 51 | 4-18 | - | 38 | 45 |
500 | 20 | 480 | 361 | 130.28 | 491.6 | 140 | 22 | 100 | 180.66 | 474 | 175 | 57 | 4-18 | - | 41.15 | 45 |
600 | 24 | 562 | 459 | 151.36 | 592.5 | 165 | 30 | 130 | 220.57 | 572.84 | 210 | 72 | 4-22 | - | 50.65 | 45 |
700 | 28 | 624 | 520 | 163 | 695 | 254 | 30 | 200 | 266 | 675.62 | 300 | 72 | 8-18 | - | 63.35 | 22.5 |
800 | 32 | 672 | 591 | 188 | 794.7 | 254 | 30 | 200 | 303.35 | 772.14 | 300 | 82 | 8-18 | - | 63.35 | 22.5 |
900 | 36 | 720 | 656 | 203 | 864.7 | 254 | 30 | 200 | 330.85 | 840.53 | 300 | 110 | 8-18 | - | 75 | 22.5 |
1000 | 40 | 800 | 721 | 216 | 965 | 254 | 30 | 200 | 374.5 | 940.52 | 300 | 142 | 8-18 | - | 85 | 22.5 |
1200 | 48 | 940 | 864 | 254 | 1160 | 298 | 34 | 230 | 453 | 1131 | 350 | 150 | 8-22 | - | 105 | 22.5 |
Product detail pictures:
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