Basic Info.
Temperature
Ordinary Temperature
Function
Ddcv Double Lobe
Sealing Form
Gland Packings Globe Valve
Flow Direction
Unidirection
Application
Water Industrial Usage
Product Name
High Pressure Double Disc Swing Check Valve
Disc
SS316/SS304/Wcb/C954
Transport Package
Inner: Cardboard or Bubble Bag, Outer Box: Plywood
Product Description
API Forged Steel High Pressure Double Disc Swing Check Valve
DESCRIPTION
1.Working pressure:
ANSI STANDARD: Class150/300/600/900/1500/2500
DIN STANDARD: PN40/63/100/160
JIS STANDARD: JIS 10K/20K
2. Seat material: EPDM/BUNA-N/NBR/VITON
3. End Connection: Raised face, Plain face, Ring joint, Weld end, Hub end
4. Sizes: 1 1/2"-60" (DN40-DN1500) kindly contact us for details information.MATERIAL: BODY | Disc | Body Seat | Disc Seat | Spring | Wetted Parts |
A216 WCB/A105 | A351 CF8 | 410SS/Stellite | Same as disc | Inconelx-750 | 410 SS |
A216 WCB/A105 | A351 CF8 | VITON/BUNA/EPDM | Same as disc | Inconelx-750 | 410 SS |
A216 WCB/A105 | A351 CF8 | 316SS/Stellite | Same as disc | Inconelx-750 | 410 SS |
A216 WCB/A105 | A351 CF8 | VITON/BUNA/EPDM | Same as disc | Inconelx-750 | 410 SS |
352LCC/A350LF2 | A351 CF8 | 316SS/Stellite | Same as disc | Inconelx-750 | 410 SS |
352LCC/A350LF2 | A351 CF8 | VITON/BUNA/EPDM | Same as disc | Inconelx-750 | 410 SS |
A351 CF8M/A182 F316 | A351 CF8 | Same as body | Same as disc | Inconelx-750 | 410 SS |
A351 CF8M/A182 F316 | A351 CF8 | VITON/BUNA/EPDM | Same as disc | Inconelx-750 | 410 SS |
A890 GR 4A/A182 F51 | A890 GR 4A | Same as body | Same as disc | Inconelx-750 | 410 SS |
A890 GR 4A/A182 F53 | A890 GR 4A | Same as body | Same as disc | Inconelx-750 | 410 SS |
UNS S31254 | UNS S31251 | Same as body | Same as disc | Inconelx-750 | 410 SS |
UNS N26625 | UNS S31251 | Same as body | Same as disc | Inconelx-750 | 410 SS |
DRAWING:Dimensions: Pressure Rating ASME | Nominal Size | End Connection Facing | Dimensions | Pipe Flange | Valve Weight (kg) |
Diam of Bolts Circle | No.of Bolt hole | Diameter of bolts | Length of bolts |
NPS | DN | L | D | D1 | D2 | Inch | mm | RF | RJ |
Class 300 PN50 | 1 1/2 | 40 | RF | 60 | 94 | 40 | 42 | 114.5 | 4 | 3/4 | M20 | 160 | 170 | 1.8 |
2 | 50 | RF | 60 | 110 | 51 | 55 | 127 | 8 | 5/8 | M16 | 155 | 175 | 2.5 |
2 1/2 | 65 | RF | 67 | 128 | 65 | 68 | 149 | 8 | 3/4 | M20 | 175 | 200 | 4 |
3 | 80 | RF | 73 | 147 | 80 | 82 | 168.5 | 8 | 3/4 | M20 | 190 | 210 | 5 |
4 | 100 | RF | 73 | 179 | 102 | 108 | 200 | 8 | 3/4 | M20 | 195 | 215 | 7 |
5 | 125 | RF | 86 | 214 | 127 | 130 | 235 | 8 | 3/4 | M20 | 215 | 235 | 11.2 |
3 | 150 | RF | 98 | 249 | 152 | 165 | 270 | 12 | 3/4 | M20 | 230 | 25 | 16.5 |
8 | 200 | RF | 127 | 305 | 203 | 219 | 330 | 12 | 7/8 | M20 | 280 | 300 | 31.5 |
10 | 250 | RF | 146 | 359 | 254 | 270 | 387.5 | 16 | 1 | M27 | 315 | 335 | 49.5 |
12 | 300 | RF | 181 | 420 | 305 | 320 | 451 | 16 | 1 1/8 | M30 | 365 | 385 | 81 |
14 | 350 | RF | 222 | 483 | 337 | 350 | 514.5 | 20 | 1 1/8 | M30 | 410 | 430 | 117 |
16 | 400 | RF | 232 | 537 | 387 | 400 | 571.5 | 20 | 1 1/4 | M33 | 435 | 45 | 158 |
18 | 450 | RF | 264 | 594 | 438 | 438 | 628.5 | 24 | 1 1/4 | M33 | 475 | 495 | 200 |
20 | 500 | RF | 292 | 652 | 495 | 495 | 686 | 24 | 1 1/4 | M33 | 510 | 535 | 285 |
24 | 600 | RF | 318 | 772 | 595 | 595 | 813 | 24 | 1 1/2 | M39 | 560 | 585 | 380 |
28 | 700 | RF | 368 | 896 | 685 | 685 | 939.8 | 28 | 1 5/8 | M42 | 660 | / | 586 |
30 | 750 | RF | 368 | 950 | 735 | 735 | 997 | 28 | 1 3/4 | M45 | 680 | / | 696 |
32 | 800 | RF | 368 | 1004 | 780 | 780 | 1054 | 28 | 1 7/8 | M48 | 700 | / | 986 |
36 | 900 | RF | 483 | 1114 | 875 | 875 | 1168.4 | 32 | 2 | M51 | 840 | / | 1070 |
40 | 1000 | RF | 568 | 1110 | 975 | 975 | 1155.7 | 32 | 1 5/8 | M42 | 920 | / | 1320 |
42 | 1050 | RF | 568 | 1160 | 1020 | 1020 | 1206.5 | 32 | 1 5/8 | M42 | 930 | / | 1500 |
48 | 1200 | RF | 629 | 1320 | 1165 | 1165 | 1371.6 | 32 | 1 7/8 | M48 | 1030 | / | 2250 |
54 | 1350 | RF | 635 | 1488 | 1320 | 1320 | 1549.4 | 32 | 2 1/4 | M57 | 1100 | / | 3360 |
60 | 1500 | RF | 701 | 1640 | 1460 | 1460 | 1701.8 | 32 | 2 1/4 | M57 | 1190 | / | 4425 |
Pressure Rating ASME | Nominal Size | End Connection Facing | Dimensions | Pipe Flange | Valve Weight (kg) |
Diam of Bolts Circle | No.of Bolt hole | Diameter of bolts | Length of bolts |
NPS | DN | L | D | D1 | D2 | Inch | mm | RF | RJ |
Class 600 PN110 | 2 | 50 | RF/RJ-23 | 60 | 110 | 51 | 55 | 127 | 8 | 5/8 | M16 | 175 | 180 | 2.5 |
2 1/2 | 65 | RF/RJ-26 | 67 | 128 | 65 | 68 | 149 | 8 | 3/4 | M20 | 195 | 200 | 4 |
3 | 80 | RF/RJ-31 | 73 | 147 | 80 | 82 | 168.5 | 8 | 3/4 | M20 | 210 | 215 | 5 |
4 | 100 | RF/RJ-37 | 79 | 191 | 102 | 108 | 216 | 8 | 7/8 | M24 | 235 | 240 | 9 |
5 | 125 | RF/RJ-41 | 105 | 240 | 127 | 130 | 266.5 | 8 | 1 | M27 | 280 | 285 | 14.5 |
3 | 150 | RF/RJ-45 | 136 | 264 | 152 | 165 | 292 | 12 | 1 | M27 | 320 | 325 | 27 |
8 | 200 | RF/RJ-49 | 165 | 318 | 200 | 210 | 349 | 12 | 1 1/8 | M30 | 370 | 375 | 48 |
10 | 250 | RF/RJ-53 | 213 | 398 | 255 | 255 | 432 | 16 | 1 1/4 | M33 | 440 | 445 | 93.5 |
12 | 300 | RF/RJ-57 | 229 | 455 | 300 | 300 | 489 | 20 | 1 1/4 | M33 | 460 | 465 | 114.5 |
14 | 350 | RF/RJ-61 | 273 | 490 | 335 | 335 | 527 | 20 | 1 3/8 | M36 | 520 | 525 | 187 |
16 | 400 | RF/RJ-65 | 305 | 562 | 385 | 385 | 603 | 20 | 1 1/2 | M39 | 575 | 580 | 261 |
18 | 450 | RF/RJ-69 | 362 | 610 | 435 | 435 | 654 | 20 | 1 5/8 | M42 | 650 | 655 | 365 |
20 | 500 | RF/RJ-73 | 368 | 680 | 487 | 487 | 724 | 24 | 1 5/8 | M42 | 670 | 680 | 453 |
24 | 600 | RF/RJ-77 | 438 | 786 | 589 | 589 | 838 | 24 | 1 7/8 | M48 | 780 | 790 | 705 |
28 | 700 | RF/RJ-94 | 505 | 912 | 685 | 685 | 965.2 | 28 | 2 | M51 | 870 | 880 | 995 |
30 | 750 | RF/RJ-95 | 505 | 968 | 735 | 735 | 1022.4 | 28 | 2 | M51 | 880 | 890 | 1180 |
32 | 800 | RF/RJ-96 | 505 | 1020 | 780 | 780 | 1079.5 | 28 | 2 1/4 | M57 | 900 | 910 | 1675 |
36 | 900 | RF/RJ-98 | 635 | 1128 | 875 | 875 | 1193.8 | 28 | 2 1/2 | M64 | 1050 | 1060 | 2110 |
40 | 1000 | RF | 701 | 1152 | 975 | 975 | 1212.8 | 32 | 2 1/4 | M57 | 1180 | / | 2245 |
42 | 1050 | RF | 701 | 1215 | 1020 | 1020 | 1282.7 | 28 | 2 1/2 | M64 | 1210 | / | 2550 |
48 | 1200 | RF | 787 | 1386 | 1165 | 1165 | 1460.5 | 32 | 2 3/4 | M70 | 1360 | / | 3830 |
PRODUCT SHOWWORKSHOPHOT SALE PRODUCTSCONTACT US
FACTORYLaizhou Dongsheng Valve Corporation located in Laizhou Yantai city Shandong Province, is a manufacturer of high quality valves primarily for export products are mainly OEM products since 2002.
We have 180 employees including 18 technicians, covering an area of 10200 square meters, also having advanced craftsmanship and technology. We mainly produce various check valves (for example,single disc swing check valve,double disc swing check valve,ball check valve,lift check valve, butterfly valves,diaphragm valves ,ball valves and so on). Our products are widely used in municipal water and wastewater ,oil,chemical, food and other fields.
Our entire valves are designed and manufactured according to ANSI (ASME), DIN, BS, JIS and other standard. Also, we ensure the best quality for customers, and our strict quality assurances systems are conducted throughout the entire production at the standard of ISO9001:2008 and CE.
We try to enlarge our oversea markets and we have received a good reputation from our customers in the USA, West Europe, the UK, Southeast Asia,Spain and Russian .Besides, we always make delivery on time and will provide you with best quality and reasonable prices.
All in all , our aim is to be your most reliable supplier.
FACTORY SHOW
OUR TEAMEXHIBITIONSCERTIFICATESWHY CHOOSE USFAQQ1: How long is the delivery time?
A1: Generally it's 5-10 days we have stock. Or it's 15-90 days depend on different product and quantity.
Q2: What about the payment term?
A2: T/T 30% deposit, balance payment after finished production before shipment. Or as discussed.
Q3: Can I have a sample order?
A3: Yes, Laizhou Dongsheng Valve agree sample order, mixed different models is also acceptable.
Q4: What's your MOQ?
A4: Laizhou Dongsheng Valve can support 1 pc order. Welcome you to check our quality.
Q5: What's your quality inspection? Do you test all your goods before delivery?
A5: Yes, 100% test. It integrates R&D, casting, production, processing, painting, assembly, testing, sales and after-sales service, and strict quality requirements, according to GB, ASME, API, DIN standard, and Laizhou Dongsheng Valve have gained ISO9001;2008, CE, and TUV certification.
Q6: Could I customize special request valve or new design products?
A6: Laizhou Dongsheng Valve have own R&D team and more than 70 researchers and engineers. Can give you the best support on quality management and techniques, meet your different needs.
Q7: How does your factory do regarding quality control?
A7: Laizhou Dongsheng Valve Quality is priority. Valve always attach great importance to quality controlling from the very beginning to the very end. Laizhou Dongsheng Valve has gained ISO9001;2008, CE, TUV, authentication.
Address:
Haizheng village, Shahe Town, Laizhou city, Shandong province
Business Type:
Manufacturer/Factory
Business Range:
Industrial Equipment & Components, Instruments & Meters, Manufacturing & Processing Machinery, Tools & Hardware
Management System Certification:
ISO 9001
Company Introduction:
Laizhou dongsheng valve co.,Ltd is a professional valve plant, is a collection of research and development, design, the manufacture, the sale of integrated specialized company. Our main products are series of check valves, including all kinds of single disc swing check valve, double disc swing check valve, flange and threaded ball check valve, flange and wafer silent check valve, stainless steel lift check valve, diaphragm valve, ball valve and butterfly valve etc.
We hold a set of scientific and strict management system, strong technical force, advanced processing equipment and reasonable technical progress, high technology and quality technicists and workers. We have 200 employees, and our factory area is 30000 square meter. We always hold "Do to the quality of survival, to the credibility of development.", so we produce every product carefully and treat every customer sincerely. Our products are used to open and close the pipeline of oil, chemical, water, gas and food etc. Our products are exported mainly to Europe, America, Africa, Southeast Asia, the Middle East and Russia etc. Our products are praised by foreign and domestic customers.
We own good quality certificated by ISO9001 and CE. Welcome friends from home and abroad to visit us. And we look forward to having a sincere and favorable cooperation with you.