ASTECH VALVE CO.,LTD.

AST was established in Mar.1999, the company's leading operation include valve design, manufacture and sales. AVC was established in Jan. 2010, and fell together with ASTIC for the parent company, the company's leading operation include design & manufacture of Wafer Type Check Valve Series & Metal Seat Ball Valve Series. Our company by ANGLO JAPANESE AMERICAN REGISTRARS TAIWAN LIMITED ISO - 9001 in June 2011, and plan by CE & API in 2013. For expansion of the Japanese market demand, and Japan branch was established in Nov. 2004, It's mainly responsible for sales, and a quality assurance section warehousing and delivery. The Company towards stability and professional quality is the main direction and strategy. To establish an independent AST & AVC brand and marketing East Asia, Southeast Asia and the Middle East market. Find OEM and ODM partners, and plan to market to Europe and America.

Dual Plate Check Valve Supplier

ASTECH VALVE CO.,LTD. is your leading industry resource for manufacturers and product information on the dual plate check valve. Going forward, our company will continue to develop smaller, lower power consumption devices and solutions that maximize performance and bring added value. We guarantee the quality of our products, since we deal only with authorized and reliable dual plate check valve manufactures, and our dual plate check valve you buy from us will fit your needs perfectly.
Dual Plate Flange Type Check Valve

Dual Plate Flange Type Check Valve

We provide a variety of Valves, such as Wafer Check Valve, Spring Check Valve, Dual Plate Lug Type Check Valve, all with high quality.
:

Retainer Type ( D Type )
No. Parts Name Q'ty Remarks
1 Body 1
2 Plate 2
3 Seat 1
4 Spring 2 1-1/2"(40A) to 22"(550A)
4 24"(600A) & Larger size
5 Hinge Pin 1
6 Stop Pin 1
7 Body Bearing 2
8 Plate Bearing 2
9 Spring Bearing 3 1-1/2"(40A) to 22"(550A)
5 24"(600A) & Larger size
10 Stabilizer 4 For Rubber Seat Valve only
11 Retainer 4
12 Eye Bolt 1/2 8"(200A) & Larger size
13 Sleeve 2 24"(600A) & Larger size
Retainer Type ( I Type )
No. Parts Name Q'ty Remarks
1 Body 1
2 Plate 2
3 Seat 1
4 Spring 2 1-1/2"(40A) to 22"(550A)
4 24"(600A) & Larger size
5 Hinge Pin 1
6 Stop Pin 1
7 Body Bearing 2
8 Plate Bearing 2
9 Spring Bearing 3 1-1/2"(40A) to 22"(550A)
5 24"(600A) & Larger size
10 Adjust Plate   For Rubber Seat Valve only
11 Spring Washer 2
12 Fix Ring 1
13 Sleeve 1/2 24"(600A) & Larger size
14 Eye Bolt 2 8"(200A) & Larger size

Body Material CI DI CI / DI CS / SS / AS
Size JIS ANSI JIS ANSI ISO/DIN JIS ANSI ISO / DIN
Inch mm 5K 10K 125LB 5K 10K 125LB PN10 PN16 5K 10K 20K 150LB 300LB 600LB 900LB 1500LB 2500LB PN10 PN16 PN25 PN40
1-1/2" 40A - - - - - - - - - - - - - - - - - - - - -
2" 50A - - - - - - - - - - - - - - - - - - - - -
2-1/2" 65A - - - - - - - - - - - - - - - - - - - - -
3" 80A - - - - - - - - - - - - - - - - - - - - -
4" 100A - - - - - - - - - - - - - - - - - - - - -
5" 125A - - - - - - - - - - - - - - - - - - - - -
6" 150A - - - - - - - - - - - - - - - - - - - - -
8" 200A - - - - - - - - - - - - - - - - - - - - -
10" 250A - - - - - - - - - - - - - - - - - - - - -
12" 300A - - - - - - - - -
14" 350A - - - - - - - - - -
16" 400A - - - - - - - - - -
18" 450A - - - - - - - - - -
20" 500A - - - - - - - - - - -
22" 550A - - - - - - - - - - - - - - - - - - - - -
24" 600A - - - - - - - - - - -
26" 650A - - - - - - - - - - - - - - -
28" 700A - - - - - - - - - - - -
30" 750A - - - - - - - - - - - -
32" 800A - - - - - - - - - - - -
36" 900A - - - - - - - - - - - -
40" 1000A - - - - - - - - - - - - -
42" 1050A - - - - - - - - - - - - - - - - - -
48" 1200A - - - - - - - - - - - - -
54" 1350A - - - - - - - - - - - - - -
56" 1400A - - - - - - - - - - - - - - - - - -
60" 1500A - - - - - - - - - - - - - -

NPS Class Ø A Ø C L E P.C.D. Stud L1 Approx. WT
(kgs)
No. Dia. FF/RF RJ
12"
(300A)
*10K 445 322 143 80 400.0 16 M22 270 - 82.0
*125/150LB 483 322 143 80 431.8 12 7/8" 280 - 88.0
10K 445 322 181 50 400.0 16 M22 290 - 113.0
20K 480 322 181 50 430.0 16 M24 315 - 140.0
150LB 485 322 181 50 431.8 12 7/8" 315 - 125.0
300LB 520 322 181 50 450.8 16 1-1/8" 375 - 153.0
600LB 560 322 229 77 489.0 20 1-1/4" 465 480 239.0
900LB 610 322 292 79 533.4 20 1-3/8" 555 575 347.0
1500LB 675 322 305 75 571.5 16 2" 690 720 637.0
2500LB 760 322 305 75 619.1 12 2-3/4" 850 885 747.0
14"
(350A)
*10K 490 356 184 74 445.0 16 M22 315 - 132.0
*125/150LB 533 356 184 74 476.3 12 1" 325 - 144.0
10K 490 356 184 74 445.0 16 M22 300 - 132.0
20K 540 356 222 72 480.0 16 M30 385 - 180.0
150LB 535 356 184 74 476.3 12 1" 330 - 144.0
300LB 585 356 222 72 514.4 20 1-1/8" 424 - 193.0
600LB 605 356 273 77 527.0 20 1-3/8" 520 535 378.0
900LB 640 356 356 68 558.8 20 1-1/2" 640 665 560.0
1500LB 750 356 356 81 635.0 16 2-1/4" 775 805 1097.0
16"
(400A)
*10K 560 406 191 106 510.0 16 M24 325 - 162.0
*125/150LB 597 406 191 106 539.8 16 1" 340 - 176.0
10K 560 406 191 106 510.0 16 M24 310 - 162.0
20K 605 406 232 95 540.0 16 M30 410 - 280.0
150LB 595 406 191 106 539.8 16 1" 340 - 176.0
300LB 650 406 232 95 571.5 20 1-1/4" 445 - 301.0
600LB 685 406 305 68 603.2 20 1-1/2" 570 585 451.0
900LB 705 406 384 84 616.0 20 1-5/8" 680 705 547.0
1500LB 825 406 384 99 704.8 16 2-1/2" 840 875 1255.0
18"
(450A)
*10K 620 457 203 53 565.0 20 M24 345 - 192.0
*125/150LB 635 457 203 53 577.9 16 1-1/8" 375 - 210.0
10K 620 457 203 130 565.0 20 M24 325 - 192.0
20K 675 457 264 102 605.0 20 M30 445 - 370.0
150LB 635 457 203 130 577.9 16 1-1/8" 365 - 210.0
300LB 710 457 264 102 628.6 24 1-1/4" 485 - 392.0
600LB 745 457 362 91 654.0 20 1-5/8" 645 665 598.0
900LB 785 457 451 91 685.8 20 1-7/8" 785 810 835.0
1500LB 915 457 468 102 774.7 16 2-3/4" 970 1005 1775.0
20"
(500A)
*10K 675 508 213 146 620.0 20 M24 355 - 255.0
*125/150LB 699 508 213 146 635.0 20 1-1/8" 395 - 270.0
10K 675 508 219 146 620.0 20 M24 345 - 249.0
20K 730 508 292 141 660.0 20 M30 475 - 460.0
150LB 700 508 219 146 635.0 20 1-1/8" 400 - 489.0
300LB 775 508 292 141 685.8 24 1-1/4" 520 - 762.0
600LB 815 508 368 119 723.9 24 1-5/8" 665 685 1783.0
900LB 855 508 451 119 749.3 20 2" 805 830 2451.0
24"
(600A)
*10K 795 610 222 199 730.0 24 M30 395 - 354.0
*125/150LB 813 610 222 199 749.3 20 1-1/4" 415 - 381.0
10K 795 610 222 199 730.0 24 M30 370 - 354.0
20K 845 610 318 166 770.0 24 M36 520 - 361.0
150LB 815 610 222 199 749.3 20 1-1/4" 420 - 381.0
300LB 915 610 318 166 812.8 24 1-1/2" 570 - 880.0
600LB 940 610 438 138 838.2 24 1-7/8" 775 795 1143.0
900LB 1040 610 495 151 901.7 20 2-1/2" 940 970 1888.0
26"
(650A)
*10K 845 660 279 195 780.0 24 M30 455 - 943.0
*125/150LB 870 660 279 195 806.5 24 1-1/4" 470 - 1007.0
10K 845 660 356 162 780.0 24 M30 510 - 943.0
150LB 870 660 356 162 806.5 24 1-1/4" 595 - 1007.0
28"
(700A)
*10K 905 711 321 201 840.0 24 M30 500 - 965.0
*125/150LB 927 711 321 201 863.6 28 1-1/4" 515 - 1025.0
10K 905 711 321 201 840.0 24 M30 465 - 965.0
20K 995 711 381 183 900.0 24 M45 615 - 1100.0
150LB 927 711 321 201 863.6 28 1-1/4" 565 - 1025.0
300LB 1035 711 381 183 939.8 28 1-5/8" 870 - 1120.0
600LB 1073 711 483 179 965.2 28 2" 845 870 1467.0
30"
(750A)
*10K 970 762 305 230 900.0 24 M30 490 - 744.0
*125/150LB 984 762 305 230 914.4 28 1-1/4" 515 - 793.0
10K 970 762 330 220 900.0 24 M30 485 - 744.0
20K 1080 762 398 206 970.0 24 M52 655 - 1570.0
150LB 984 762 330 220 914.4 28 1-1/4" 595 - 793.0
300LB 1092 762 398 206 997.0 28 1-3/4" 705 - 1603.0
600LB 1130 762 505 200 1022.3 28 2" 870 900 2445.0
32"
(800A)
*10K 1020 813 356 236 950.0 28 M30 545 - 810.0
*125/150LB 1060 813 356 236 977.9 28 1-1/2" 570 - 844.0
10K 1020 813 356 236 950.0 28 M30 510 - 810.0
20K 1140 813 406 226 1030.0 24 M52 670 - 1860.0
150LB 1060 813 356 236 977.9 28 1-1/2" 630 - 844.0
300LB 1149 813 406 226 1054.1 28 1-7/8" 735 - 1935.0
600LB 1194 813 533 217 1079.5 28 2-1/4" 920 945 2935.0
36"
(900A)
*10K 1120 914 368 280 1050.0 28 M30 560 - 1080.0
*125/150LB 1168 914 368 280 1085.8 32 1-1/2" 600 - 1148.0
10K 1120 914 387 274 1050.0 28 M36 555 - 1080.0
20K 1250 914 483 249 1140.0 28 M52 745 - 2090.0
150LB 1168 914 387 274 1085.9 32 1-1/2" 680 - 1148.0
300LB 1270 914 483 249 1168.4 32 2" 830 - 2140.0
600LB 1314 914 635 224 1193.8 28 2-1/2" 1045 - 4735.0
40"
(1000A)
*10K 1235 1016 419 311 1160.0 28 M36 630 - 1470.0
*125/150LB 1289 1016 419 311 1200.1 36 1-1/2" 645 - 1515.0
10K 1235 1016 419 311 1160.0 28 M36 595 - 1470.0
150LB 1289 1016 419 311 1200.2 36 1-1/2" 710 - 1515.0
300LB 1238 1016 546 214 1155.7 32 1-5/8" 895 - 3073.0
600LB 1321 1016 660 218 1212.9 32 2-1/4" 1130 - 6310.0
42"
(1050A)
*125/150LB 1346 1067 432 325 1257.3 36 1-1/2" 680 - 1650.0
150LB 1346 1067 432 325 1257.3 36 1-1/2" 740 - 1650.0
300LB 1289 1067 568 291 1206.4 32 1-5/8" 925 - 4430.0
600LB 1403 1067 702 288 1282.7 28 2-1/2" 1200 - 5280.0
48"
(1200A)
*10K 1465 1219 524 358 1380.0 32 M36 750 - 2480.0
*125/150LB 1511 1219 524 358 1422.4 44 1-1/2" 775 - 2530.0
10K 1465 1219 524 358 1380.0 32 M36 705 - 3480.0
150LB 1511 1219 524 358 1422.4 44 1-1/2" 850 - 2530.0
300LB 1467 1219 629 317 1371.6 32 1-7/8" 1030 - 5010.0
600LB 1594 1219 787 334 1460.5 32 2-3/4" 1240 - 6030.0
54"
(1350A)
*10K 1630 1372 540 420 1540.0 36 M42 780 - -
*125/150LB 1683 1372 540 420 1593.9 44 1-3/4" 820 - -
10K 1630 1372 540 420 1540.0 36 M42 735 - -
150LB 1683 1372 540 420 1593.9 44 1-3/4" 905 - -
300LB 1657 1372 718 373 1549.4 28 2-1/4" 1095 - -
56"
(1400A)
*125/150LB 1746 1422 568 428 1651.0 48 1-3/4" 895 - -
150LB 1746 1422 568 428 1651.0 48 1-3/4" 940 - -
60"
(1500A)
*10K 1795 1524 660 435 1700.0 40 M42 910 - -
*125/150LB 1854 1524 660 435 1759.0 52 1-3/4" 945 - -
10K 1795 1524 660 435 1700.0 40 M42 860 - -
150LB 1854 1524 660 435 1759.0 52 1-3/4" 1050 - -
300LB 1810 1524 838 394 1701.8 32 2-1/4" 1315 - -

Note * = Cast Iron & Ductile Iron

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ASTECH VALVE CO.,LTD.’s sales, production and technical teams have vast knowledge and experience in all aspects of dual plate check valve. With the largest R&D team in the industry and capability of continuous innovation, ASTECH VALVE CO.,LTD.’s product offerings include dual plate check valve. We review our offerings regularly to make sure our prices are competitive, if not the lowest available. Our aim is to create a strong base for the consumers and suppliers in Taiwan and abroad, through which, a perfect chain of demand and supply can be maintained.