Specification Application
Flange drilling according to ANSI125/150; DIN2501PN10/PN16; AS2129 Table E; JIS10K ect
Working Pressure: PN10; PN16; 150LB
Materials: WCB; CF8; CF8M; CF3M ect
Working Temperature: -40ºC-120ºC
Check 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.
Materials
NO Part Name NUM Materials
1 BODY 1 WCB / SS 304 / SS 316
2 O-RING 2 NBR / EPDM
3 DISC 1 SS 304 / 316
4 O-RING 1 NBR / EPDM
5 LIFT BOLT 1 WCB / GS- C25
6 SMALL COVER 2 SS 304 / SS 316
7 SPRING SHAFT 1 SS 304 / SS 316
8 SCREW 2 WCB / GS-C25
9 LARGE COVER 2 SS 304
10 SCREW 2 Brass / SS304 / SS 316
11 SPRING 1 SS 304 / SS316
Dimensions
Size L C D E PN10 PN16 PN25
DN20 11.5 12 63 63 63 10.3 0.3
DN25 12 16 73 73 73 14 0.4
DN32 12 19 85 85 85 19.8 0.5
DN40 14 22 95 95 95 28 0.8
DN50 16 32 109 109 109 38 1
DN65 16 40 129 129 129 46 1.3
DN80 17 54 144 144 144 56 1.7
DN100 18 70 164 165 170 75 2.2
DN125 18 92 195 195 198 96 3.2
DN150 20 112 220 220 228 113 5
DN200 22 154 275 275 288 151 11
DN250 26 192 330 332 343 195 15
DN300 32 227 380 387 403 229 25
DN350 38 266 438 444 458 272 37
DN400 44 310 489 496 515 311 55
Size PN10 PN16 PN25 C L D L D L D
DN350 44 438 37 44 444 40 51 458 53 263
DN400 51 489 55 51 496 60 51 515 68 305
DN450 60 539 68 60 556 78 76 565 103 356
DN500 64 594 103 64 618 128 83 622 150 406
DN600 70 696 155 70 732 180 83 732 205 485
DN700 76 811 200 76 802 190 565
DN800 80 918 310 80 912 300 622
DN900 95 1018 550 95 1012 530 703
DN1000 127 1124 715 127 1126 720 815
Yuanda Electric Co., Ltd. is located in Yufa Industry and Development Zone in Daxing District, Beijing. It is an advanced technology manufacturing company and its operaton involves sciences, engineering and trade. In recent years, company developes very quickly in the industry due to good design, excellent quality and advanced manufacturing skills. Company continuously developes some new products and also enjoys great reputation in the industry.
The company occupies more than 32000 square meters and its registrated fund is about RMB108, 000, 000. Company believes that people are the most important assets. So far, company has a group of talents and technicians. In addition, company introduces many business-lines for good-quality valve from foreign countries which enhance the productivity and product quality. Now the production volume has been about 600, 000pcs.
After China joined into WTO, our products have been saled to 29 cities and other areas such as Hong Kong, Taiwan, Japan, Korea, America and Southeast Asia and Europe etc.
We are served all life for ensurity product quality and the product that had bulit Internet system, to make the "high quality product of Beijng Beigao Valve" known to at home and abroad.
