Add to Cart
Long Pattern Hydraulic Butterfly Check Valve Inside Diameter: 56" (1400 mm)
Need more information, please kindly contact with us.


Application:
Valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically.
When the medium is back-going, valve disc will automaticaly closed to avoid accidents.

| material: | |||
| NO | parts | qty | material | 
| 1 | body | 1 | 316 | 
| 2 | O-ring | 2 | EPDM | 
| 3 | disc | 1 | 316 | 
| 4 | O-ring | 1 | EPDM | 
| 5 | eye bol | 1 | 316 | 
| 6 | small cover | 2 | 316 | 
| 7 | pin | 1 | 316 | 
| 8 | retainer screw | 2 | 316 | 
| 9 | big cover | 2 | 316 | 
| 10 | bolt | 2 | 316 | 
| 11 | spring | 1 | 316 | 
   
 
◆deminsion:
| DN | PN10.PN16 | PN25 | PN40 | ||||||||||||||||||
| A | B | C | D | E | L | G | A | B | C | D | E | L | G | A | B | C | D | E | L | G | |
| 40 | 94 | 16 | 22 | 81.4 | 25 | 195 | 0 | equal PN10 | equal PN10 | ||||||||||||
| 50 | 109 | 16 | 32 | 94 | 33.6 | 208 | 1 | ||||||||||||||
| 65 | 129 | 17 | 40 | 111 | 46 | 230 | 2 | ||||||||||||||
| 80 | 144 | 17 | 54 | 123 | 56.5 | 245 | 3 | ||||||||||||||
| 100 | 164 | 18 | 70 | 147 | 71.4 | 265 | 3 | 168 | 18 | 70 | 149 | 71.4 | 269 | 3 | Equal PN25 | ||||||
| 125 | 195 | 18 | 92 | 171 | 87.3 | 297 | 5 | 194 | 18 | 92 | 171 | 87.3 | 296 | 5 | |||||||
| 150 | 220 | 20 | 112 | 200 | 106.6 | 321 | 5 | 224 | 20 | 112 | 202 | 106.6 | 325 | 5 | |||||||
| 200 | 275 | 22 | 154 | 256 | 148.2 | 376 | 5 | 284 | 22 | 154 | 265 | 148.2 | 385 | 5 | 291 | 22 | 154 | 268 | 148.2 | 392 | 5 | 
| 250 | 331 | 26 | 192 | 302 | 185.2 | 436 | 6 | 342 | 26 | 192 | 307 | 185.2 | 447 | 6 | 353 | 26 | 192 | 312 | 185.2 | 458 | 6 | 
| 300 | 380 | 32 | 227 | 352 | 216.3 | 484 | 10 | 401 | 32 | 227 | 360 | 216.3 | 499 | 10 | 418 | 32 | 227 | 368 | 216.3 | 516 | 10 | 
| 350 | 446 | 38 | 266 | 408 | 254 | 548 | 12 | 458 | 38 | 266 | 412 | 254 | 560 | 12 | 475 | 38 | 266 | 422 | 254 | 577 | 12 | 
| 400 | 498 | 44 | 310 | 460 | 294.4 | 603 | 14 | 515 | 44 | 310 | 463 | 294.4 | 620 | 14 | 547 | 44 | 310 | 484 | 294.4 | 652 | 14 | 
| Specification | ||||||
| 1 | Face to face according to DIN3202-K3. | |||||
| 2 | Flange drilling according to ANSI125/150;DIN2501PN10/PN16;AS2129 Table E;JIS10K ect. | |||||
| 3 | Working Pressure: PN10;PN16 | |||||
| Main Parts and Materials | ||||||
| Number | Part Name | Material | ||||
| 1 | Body | GGG50 | ||||
| 2 | Disc | SS304 | ||||
| 3 | Stem | SS304 | ||||
| 4 | Spring | SS304 | ||||
| 5 | Washer | PTFE | ||||
| 6 | Washer | PTFE | ||||
| 7 | Gasket | NBR | ||||
| 8 | Hex nut | A193A | ||||

| Main Dimensions | ||||||
| DN | D | D1 | D2 | L | R | t | 
| 50 | 107 | 65 | 40 | 43 | 27 | 18.4 | 
| 65 | 127 | 80 | 60 | 46 | 35 | 19.8 | 
| 80 | 142 | 94 | 70 | 64 | 42 | 27.7 | 
| 100 | 162 | 117 | 88 | 64 | 50 | 27.7 | 
| 150 | 218 | 171 | 134 | 76 | 77 | 31.6 | 
| 200 | 273 | 224 | 182 | 89 | 102.5 | 32.9 | 
| 300 | 378 | 310 | 260 | 114 | 146 | 43.3 | 
| 350 | 446 | 360 | 298 | 127 | 170 | 45.3 | 
| 400 | 488 | 410 | 350 | 140 | 195 | 52.3 | 
| 450 | 546 | 450 | 385 | 152 | 215 | 58.2 | 
| 500 | 594 | 505 | 438 | 152 | 238 | 58.3 | 
| 600 | 700 | 624.5 | 538 | 178 | 292 | 74.6 | 
| 700 | 820 | 720 | 662 | 229 | 345 | 96 | 
| 800 | 930 | 825 | 762 | 241 | 394 | 99 | 
Standards
Design and manufacture as BS1868, ANSI B16.34
 Face to face dimensions as ANSI B16.10
 End flange dimension as ANSI B16.5
 Pressure-temperature ratings as ANSI B16.34
 Pressure test as API 598
 Applicable Medium: water ,gas,oil,and other causticity medium.
Test Pressure
|  			 Test Item  |  			 			 Shell Test  |  			 			 Seal Test  |  			 			 Back Seal Test  |  			 			 Air Seal Test  |  		|||||
|  			 Medium  |  			 			 Water  |  			 			 Air  |  		|||||||
|  			 Unit  |  			 			 MPa  |  			 			 lbf/in2  |  			 			 MPa  |  			 			 lbf/in2  |  			 			 MPa  |  			 			 lbf/in2  |  			 			 MPa  |  			 			 lbf/in2  |  		|
|  			 Pressure (Class)  |  			 			 150  |  			 			 3.1  |  			 			 450  |  			 			 2.2  |  			 			 315  |  			 			 2.2  |  			 			 315  |  			 			 0.5-0.7  |  			 			 60-100  |  		
|  			 300  |  			 			 7.8  |  			 			 1125  |  			 			 5.6  |  			 			 815  |  			 			 5.6  |  			 			 815  |  		|||
|  			 400  |  			 			 10.3  |  			 			 1500  |  			 			 7.6  |  			 			 1100  |  			 			 7.6  |  			 			 1100  |  		|||
|  			 600  |  			 			 15.3  |  			 			 2225  |  			 			 11.2  |  			 			 1630  |  			 			 11.2  |  			 			 1630  |  		|||
|  			 900  |  			 			 23.1  |  			 			 3350  |  			 			 16.8  |  			 			 2440  |  			 			 16.8  |  			 			 2440  |  		|||
|  			 1500  |  			 			 38.4  |  			 			 5575  |  			 			 28.1  |  			 			 4080  |  			 			 28.1  |  			 			 4080  |  		|||