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						 	Series A75 Flanged triple offset butterfly valve provides zero leakage through no-rubbing 90-degree rotation across a wide range of pressure and temperature conditions. Widely used in many industries such as Oil & Gas, Chemical & coal, petrochemical, desalination plants, waterworks, fossils, district heating, nuclear, Iron & Steel, Mining, automotive, shipyards, aerospace.
 	FEATURES 	• ISO 5211 bracket for easy mounting of actuators • Triple offset and ellipsoidal sealing geometry
 • Bubble tight shut-off
 • Inherently firesafe by design
 • A metal seal ring in Duplex and a highly wear-resistant Stellite grade 21 seat ensure prolonged superior tightness
 • Single piece cast body with face to face dimensions to ISO5752, ASME B16.10 and API 609 double flanged short pattern, guarantees interchangeability with other valve types
 • Extensively hardened bearings, incorporating a standard reinforce, braided, flexible graphite bearing protector, ensure increased reliability
 • Blowout proof devices on shaft keep sure safety of shaft operating
 • Pin-less shaft to disc connection makes the valve convenient for parts replacement and reliable even under corrosion
 	 	  	  
					| Connection | Double flange |  | Size | 3"-80" for PN10,PN16,Class150; 3"-48" for PN25,PN40,Class300; 3"-24" for Class600 |  | Pressure | PN10,PN16,PN25,PN40,Class150,Class300,Class600 |  | Flange standard | ASME B16.5 Class150,Class300,Class600; EN1092 PN16,PN25,PN40 |  | Face to face | ISO 5752, ASME B16.10, API609 Double flanged short pattern |  | Pressure test | API 598, ISO 5208 Rate A, ANSI B16.104(ANSI/FCI 70-2)Class Ⅵ |  | Temperature | -29°C to +538°C |  | Operator | Lever,Gear box,Pneumatic actuator,Electric actuator | 
 
					 
 | No. | Part name | Material |  | 1 | Body | WCB | CF8M |  | 2a | Disc | WCB,CF8 | CF8M |  | 2b | Disc sealing | UNS31803(duplex)+graphite |  |  | 2c | Disc sealing retainer | SS304 | SS316 |  | 2d | Disc sealing retainer screw | SS304 | SS316 |  | 3 | Seat welded surface | Stellite Gr.21 |  | 4 | Shaft | 17-4 PHSS,1.4462 |  | 5 | Packing gland | CF8 |  | 6 | Bottom cover | Same as body |  | 7 | Cover seal | Graphite |  | 8 | Thrust washer | SS316 |  | 9 | Bracket | WCB | CF8M |  | 10 | Retaining ring | SS304 |  | 11 | Packing | RPTFE, Graphite |  | 12 | Packing ring | SS316 |  |  | 13 | Bearing | SS316+PTFE |  |  | 14 | Thrust bearing | SS316 |  |  | 15 | Key | SS316 |  | 16 | Bolt | SS304 |  | 17 | Bolt | SS304 |  | 18 | Bolt | SS304 |  | 19 | Nut | SS304 | 
 
					 
 | SIZE | A | B | C | D | E | Top Flange
 | L | WT (kg)
 |  | Class150 | PN10 | PN16 | PN25 |  | DN | INCH | Class150,PN10,PN16,PN25 |  | 80 | 3" | 260 | 125 | 17.5 | 190 | 200 | 200 | 200 | 14 | F07 | 114 | 30 |  | 100 | 4" | 290 | 141 | 17.5 | 230 | 220 | 220 | 235 | 14 | F07 | 127 | 40 |  | 125 | 5" | 310 | 150 | 17.5 | 255 | 250 | 250 | 270 | 14 | F07 | 140 | 45 |  | 150 | 6" | 330 | 165 | 18.5 | 280 | 285 | 285 | 300 | 17 | F10 | 140 | 50 |  | 200 | 8" | 385 | 214 | 24.5 | 345 | 340 | 340 | 360 | 22 | F10 | 152 | 85 |  | 250 | 10" | 425 | 243 | 24.5 | 405 | 395 | 405 | 425 | 22 | F10 | 165 | 120 |  | 300 | 12" | 490 | 286 | 30 | 485 | 445 | 460 | 485 | 27 | F12 | 178 | 160 |  | 350 | 14" | 525 | 312 | 30 | 535 | 505 | 520 | 555 | 27 | F12 | 190 | 195 |  | 400 | 16" | 545 | 350 | 39 | 595 | 565 | 580 | 620 | 36 | F14 | 216 | 255 |  | 450 | 18" | 580 | 383 | 49 | 635 | 615 | 640 | 670 | 46 | F16 | 222 | 310 |  | 500 | 20" | 640 | 407 | 49 | 700 | 670 | 715 | 730 | 46 | F16 | 229 | 390 |  | 600 | 24" | 690 | 484 | 60 | 815 | 780 | 840 | 845 | 55 | F25 | 267 | 565 |  | 700 | 28" | 720 | 525 | 130 | 925 | 895 | 910 | 960 | 80 | F30 | 292 |  |  | 750 | 30" | 750 | 550 | 130 | 985 |  |  |  | 80 | F30 | 318 |  |  | 800 | 32" | 760 | 600 | 130 | 1060 | 1015 | 1025 | 1085 | 98 | F30 | 318 |  |  | 900 | 36" | 795 | 660 | 150 | 1170 | 1115 | 1125 | 1185 | 120 | F35 | 330 |  |  | 1000 | 40" | 815 | 720 | 180 | 1290 | 1230 | 1255 | 1320 | 130 | F35 | 410 |  |  | 1050 | 42" | 850 | 750 | 180 | 1345 |  |  |  | 150 | F35 | 410 |  |  | 1200 | 48" | 995 | 825 | 200 | 1510 | 1455 | 1485 |  | 180 | F40 | 470 |  | 
 | SIZE | A | B | C | D | E | Top Flange
 | L | WT(kg) |  | Class300 | PN40 |  | DN | INCH | Class300,PN40 |  | 80 | 3" | 260 | 100 | 17.5 | 210 | 200 | 14 | F07 | 180 | 30 |  | 100 | 4" | 290 | 124 | 17.5 | 255 | 235 | 14 | F07 | 190 | 40 |  | 125 | 5" | 330 | 144 | 18.5 | 280 | 270 | 17 | F10 | 200 | 60 |  | 150 | 6" | 350 | 150 | 24.5 | 320 | 300 | 22 | F10 | 210 | 75 |  | 200 | 8" | 415 | 204 | 30 | 380 | 375 | 27 | F12 | 230 | 115 |  | 250 | 10" | 455 | 238 | 39 | 445 | 450 | 36 | F14 | 250 | 170 |  | 300 | 12" | 490 | 268 | 39 | 520 | 515 | 36 | F14 | 270 | 170 |  | 350 | 14" | 545 | 294 | 49 | 585 | 580 | 46 | F16 | 290 | 315 |  | 400 | 16" | 575 | 320 | 60 | 650 | 660 | 55 | F25 | 310 | 415 |  | 450 | 18" | 660 | 341 | 60 | 710 | 685 | 55 | F25 | 330 | 490 |  | 500 | 20" | 700 | 383 | 80 | 775 | 755 | 75 | F30 | 350 | 600 |  | 600 | 24" | 785 | 442 | 80 | 915 | 890 | 75 | F30 | 390 | 900 |  | 700 | 28" | 800 | 590 | 150 | 1035 |  | 120 | F35 | 430 |  |  | 750 | 30" | 830 | 600 | 180 | 1090 |  | 130 | F35 | 450 |  |  | 800 | 32" | 860 | 720 | 200 | 1150 |  | 170 | F40 | 470 |  |  | 900 | 36" | 940 | 780 | 200 | 1270 |  | 180 | F40 | 510 |  |  | 1000 | 40" | 910 | 750 | 250 | 1240 |  | 200 | F48 | 550 |  |  | 1050 | 42" | 950 | 800 | 250 | 1290 |  | 210 | F48 | 570 |  |  | 1200 | 48" | 1000 | 850 | 250 | 1465 |  | 220 | F48 | 630 |  | 
 | SIZE | A | B | C | D | E | Top Flange
 | L | WT(kg) |  | Class600 | PN63 | PN100 |  | DN | INCH | Class600,PN63,PN100 |  | 80 | 3" | 260 | 145 | 17.5 | 210 | 215 | 230 | 14 | F07 | 180 | 50 |  | 100 | 4" | 298 | 185 | 24.5 | 275 | 250 | 265 | 22 | F10 | 190 | 70 |  | 125 | 5" | 400 | 200 | 30 | 330 | 295 | 315 | 27 | F12 | 200 | 90 |  | 150 | 6" | 420 | 216 | 39 | 355 | 345 | 355 | 36 | F14 | 210 | 125 |  | 200 | 8" | 445 | 265 | 39 | 420 | 415 | 430 | 36 | F14 | 230 | 200 |  | 250 | 10" | 505 | 315 | 49 | 510 | 470 | 505 | 46 | F16 | 250 | 315 |  | 300 | 12" | 600 | 362 | 49 | 560 | 530 | 585 | 46 | F16 | 270 | 435 |  | 350 | 14" | 610 | 390 | 60 | 605 | 600 | 655 | 55 | F25 | 290 | 485 |  | 400 | 16" | 680 | 440 | 60 | 685 | 670 |  | 55 | F25 | 310 | 685 |  | 450 | 18" | 683 | 460 | 80 | 745 |  |  | 75 | F30 | 330 | 815 |  | 500 | 20" | 795 | 526 | 80 | 815 |  |  | 75 | F30 | 350 | 1050 |  | 600 | 24" | 885 | 623 |  | 940 |  |  |  | F35 | 390 | 1600 |  | 700 | 28" |  |  |  |  |  |  |  |  |  |  |  | 750 | 30" |  |  |  |  |  |  |  |  |  |  |  | 800 | 32" |  |  |  |  |  |  |  |  |  |  |  | 900 | 36" |  |  |  |  |  |  |  |  |  |  |  | 1000 | 40" |  |  |  |  |  |  |  |  |  |  |  | 1050 | 42" |  |  |  |  |  |  |  |  |  |  |  | 1200 | 48" |  |  |  |  |  |  |  |  |  |  | 
 
    
        
            
            | Connection | Double flange |  | Size | 3"-80" for PN10,PN16,Class150; 3"-48" for PN25,PN40,Class300; 3"-24" for Class600 |  | Pressure | PN10,PN16,PN25,PN40,Class150,Class300,Class600 |  | Flange standard | ASME B16.5 Class150,Class300,Class600; EN1092 PN16,PN25,PN40 |  | Face to face | ISO 5752, ASME B16.10, API609 Double flanged short pattern |  | Pressure test | API 598, ISO 5208 Rate A, ANSI B16.104(ANSI/FCI 70-2)Class Ⅵ |  | Temperature | -29°C to +538°C |  | Operator | Lever,Gear box,Pneumatic actuator,Electric actuator | 
	 	Series A75 Flanged triple offset butterfly valve provides zero leakage through no-rubbing 90-degree rotation across a wide range of pressure and temperature conditions. Widely used in many industries such as Oil & Gas, Chemical & coal, petrochemical, desalination plants, waterworks, fossils, district heating, nuclear, Iron & Steel, Mining, automotive, shipyards, aerospace.
 	FEATURES 	• ISO 5211 bracket for easy mounting of actuators • Triple offset and ellipsoidal sealing geometry
 • Bubble tight shut-off
 • Inherently firesafe by design
 • A metal seal ring in Duplex and a highly wear-resistant Stellite grade 21 seat ensure prolonged superior tightness
 • Single piece cast body with face to face dimensions to ISO5752, ASME B16.10 and API 609 double flanged short pattern, guarantees interchangeability with other valve types
 • Extensively hardened bearings, incorporating a standard reinforce, braided, flexible graphite bearing protector, ensure increased reliability
 • Blowout proof devices on shaft keep sure safety of shaft operating
 • Pin-less shaft to disc connection makes the valve convenient for parts replacement and reliable even under corrosion
 	 	  	  
 | No. | Part name | Material |  | 1 | Body | WCB | CF8M |  | 2a | Disc | WCB,CF8 | CF8M |  | 2b | Disc sealing | UNS31803(duplex)+graphite |  |  | 2c | Disc sealing retainer | SS304 | SS316 |  | 2d | Disc sealing retainer screw | SS304 | SS316 |  | 3 | Seat welded surface | Stellite Gr.21 |  | 4 | Shaft | 17-4 PHSS,1.4462 |  | 5 | Packing gland | CF8 |  | 6 | Bottom cover | Same as body |  | 7 | Cover seal | Graphite |  | 8 | Thrust washer | SS316 |  | 9 | Bracket | WCB | CF8M |  | 10 | Retaining ring | SS304 |  | 11 | Packing | RPTFE, Graphite |  | 12 | Packing ring | SS316 |  |  | 13 | Bearing | SS316+PTFE |  |  | 14 | Thrust bearing | SS316 |  |  | 15 | Key | SS316 |  | 16 | Bolt | SS304 |  | 17 | Bolt | SS304 |  | 18 | Bolt | SS304 |  | 19 | Nut | SS304 | 
 
 | SIZE | A | B | C | D | E | Top Flange
 | L | WT (kg)
 |  | Class150 | PN10 | PN16 | PN25 |  | DN | INCH | Class150,PN10,PN16,PN25 |  | 80 | 3" | 260 | 125 | 17.5 | 190 | 200 | 200 | 200 | 14 | F07 | 114 | 30 |  | 100 | 4" | 290 | 141 | 17.5 | 230 | 220 | 220 | 235 | 14 | F07 | 127 | 40 |  | 125 | 5" | 310 | 150 | 17.5 | 255 | 250 | 250 | 270 | 14 | F07 | 140 | 45 |  | 150 | 6" | 330 | 165 | 18.5 | 280 | 285 | 285 | 300 | 17 | F10 | 140 | 50 |  | 200 | 8" | 385 | 214 | 24.5 | 345 | 340 | 340 | 360 | 22 | F10 | 152 | 85 |  | 250 | 10" | 425 | 243 | 24.5 | 405 | 395 | 405 | 425 | 22 | F10 | 165 | 120 |  | 300 | 12" | 490 | 286 | 30 | 485 | 445 | 460 | 485 | 27 | F12 | 178 | 160 |  | 350 | 14" | 525 | 312 | 30 | 535 | 505 | 520 | 555 | 27 | F12 | 190 | 195 |  | 400 | 16" | 545 | 350 | 39 | 595 | 565 | 580 | 620 | 36 | F14 | 216 | 255 |  | 450 | 18" | 580 | 383 | 49 | 635 | 615 | 640 | 670 | 46 | F16 | 222 | 310 |  | 500 | 20" | 640 | 407 | 49 | 700 | 670 | 715 | 730 | 46 | F16 | 229 | 390 |  | 600 | 24" | 690 | 484 | 60 | 815 | 780 | 840 | 845 | 55 | F25 | 267 | 565 |  | 700 | 28" | 720 | 525 | 130 | 925 | 895 | 910 | 960 | 80 | F30 | 292 |  |  | 750 | 30" | 750 | 550 | 130 | 985 |  |  |  | 80 | F30 | 318 |  |  | 800 | 32" | 760 | 600 | 130 | 1060 | 1015 | 1025 | 1085 | 98 | F30 | 318 |  |  | 900 | 36" | 795 | 660 | 150 | 1170 | 1115 | 1125 | 1185 | 120 | F35 | 330 |  |  | 1000 | 40" | 815 | 720 | 180 | 1290 | 1230 | 1255 | 1320 | 130 | F35 | 410 |  |  | 1050 | 42" | 850 | 750 | 180 | 1345 |  |  |  | 150 | F35 | 410 |  |  | 1200 | 48" | 995 | 825 | 200 | 1510 | 1455 | 1485 |  | 180 | F40 | 470 |  | 
 | SIZE | A | B | C | D | E | Top Flange
 | L | WT(kg) |  | Class300 | PN40 |  | DN | INCH | Class300,PN40 |  | 80 | 3" | 260 | 100 | 17.5 | 210 | 200 | 14 | F07 | 180 | 30 |  | 100 | 4" | 290 | 124 | 17.5 | 255 | 235 | 14 | F07 | 190 | 40 |  | 125 | 5" | 330 | 144 | 18.5 | 280 | 270 | 17 | F10 | 200 | 60 |  | 150 | 6" | 350 | 150 | 24.5 | 320 | 300 | 22 | F10 | 210 | 75 |  | 200 | 8" | 415 | 204 | 30 | 380 | 375 | 27 | F12 | 230 | 115 |  | 250 | 10" | 455 | 238 | 39 | 445 | 450 | 36 | F14 | 250 | 170 |  | 300 | 12" | 490 | 268 | 39 | 520 | 515 | 36 | F14 | 270 | 170 |  | 350 | 14" | 545 | 294 | 49 | 585 | 580 | 46 | F16 | 290 | 315 |  | 400 | 16" | 575 | 320 | 60 | 650 | 660 | 55 | F25 | 310 | 415 |  | 450 | 18" | 660 | 341 | 60 | 710 | 685 | 55 | F25 | 330 | 490 |  | 500 | 20" | 700 | 383 | 80 | 775 | 755 | 75 | F30 | 350 | 600 |  | 600 | 24" | 785 | 442 | 80 | 915 | 890 | 75 | F30 | 390 | 900 |  | 700 | 28" | 800 | 590 | 150 | 1035 |  | 120 | F35 | 430 |  |  | 750 | 30" | 830 | 600 | 180 | 1090 |  | 130 | F35 | 450 |  |  | 800 | 32" | 860 | 720 | 200 | 1150 |  | 170 | F40 | 470 |  |  | 900 | 36" | 940 | 780 | 200 | 1270 |  | 180 | F40 | 510 |  |  | 1000 | 40" | 910 | 750 | 250 | 1240 |  | 200 | F48 | 550 |  |  | 1050 | 42" | 950 | 800 | 250 | 1290 |  | 210 | F48 | 570 |  |  | 1200 | 48" | 1000 | 850 | 250 | 1465 |  | 220 | F48 | 630 |  | 
 | SIZE | A | B | C | D | E | Top Flange
 | L | WT(kg) |  | Class600 | PN63 | PN100 |  | DN | INCH | Class600,PN63,PN100 |  | 80 | 3" | 260 | 145 | 17.5 | 210 | 215 | 230 | 14 | F07 | 180 | 50 |  | 100 | 4" | 298 | 185 | 24.5 | 275 | 250 | 265 | 22 | F10 | 190 | 70 |  | 125 | 5" | 400 | 200 | 30 | 330 | 295 | 315 | 27 | F12 | 200 | 90 |  | 150 | 6" | 420 | 216 | 39 | 355 | 345 | 355 | 36 | F14 | 210 | 125 |  | 200 | 8" | 445 | 265 | 39 | 420 | 415 | 430 | 36 | F14 | 230 | 200 |  | 250 | 10" | 505 | 315 | 49 | 510 | 470 | 505 | 46 | F16 | 250 | 315 |  | 300 | 12" | 600 | 362 | 49 | 560 | 530 | 585 | 46 | F16 | 270 | 435 |  | 350 | 14" | 610 | 390 | 60 | 605 | 600 | 655 | 55 | F25 | 290 | 485 |  | 400 | 16" | 680 | 440 | 60 | 685 | 670 |  | 55 | F25 | 310 | 685 |  | 450 | 18" | 683 | 460 | 80 | 745 |  |  | 75 | F30 | 330 | 815 |  | 500 | 20" | 795 | 526 | 80 | 815 |  |  | 75 | F30 | 350 | 1050 |  | 600 | 24" | 885 | 623 |  | 940 |  |  |  | F35 | 390 | 1600 |  | 700 | 28" |  |  |  |  |  |  |  |  |  |  |  | 750 | 30" |  |  |  |  |  |  |  |  |  |  |  | 800 | 32" |  |  |  |  |  |  |  |  |  |  |  | 900 | 36" |  |  |  |  |  |  |  |  |  |  |  | 1000 | 40" |  |  |  |  |  |  |  |  |  |  |  | 1050 | 42" |  |  |  |  |  |  |  |  |  |  |  | 1200 | 48" |  |  |  |  |  |  |  |  |  |  | 
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