Low price API umbrella type low and medium pressure check valve
- 40000 Piece / Pieces per Month
- Tianjin port; Qingdao port; Shanghai port
- T/T
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Product Details
| Standard or Nonstandard | Standard | Structure | Check | |
| Pressure | Other, Class150-Class900(Lb) | Power | Other, Manual, worm gear and worm drive, electric, pneumatic | |
| Material | Stainless Steel | Temperature of Media | Other, ≤600℃ | |
| Media | Other, Water, steam, oil, nitric acid, acetic acid, strong oxidizing medium, | Port Size | 2"-24"(inch) / 50-600(mm) | |
| Place of Origin | Tianjin, China | Model Number | API check valve | |
| Brand Name | DUNHUI | Application | General |
Product Description
The best quality and faith bring us the good market, such as USA, CANADA, BRAZIL, AUSTRALIA, UK, GERMANY, ITALY, SPAIN, TURKEY, ALGERIA, DUBAI, RUSSIA, UKRAINE, SINGAPORE, MALAYSIA etc. “Made in DUNHUI” in many Countries.
“DUNHUI” is your correct choice. Welcome to visit
1. Low price API umbrella type low and medium pressure check valve
2. Main performance indicators
| (Lb)Nominal pressure | 150 | 300 | 600 | 900 | |
| Shell test | Mpa | 3.1 | 7.8 | 15.3 | 23.1 |
| Lbf/in² | 450 | 1125 | 2225 | 3350 | |
| Water seal test | Mpa | 2.2 | 5.6 | 11.2 | 16.8 |
| Lbf/in² | 315 | 815 | 1630 | 2440 | |
| Air seal test | Mpa | 0.5~0.7 | |||
| Lbf/in² | 60~100 | ||||
3. Product drawings
4. Main Dimensions
| NPS | DN | Class 150Lb | WT(kg) | |||||
| in | mm | L | D | D1 | D2 | b | H | |
| 2" | 50 | 203 | 157 | 120.7 | 92 | 19.5 | 161 | 17 |
| 3" | 80 | 241 | 190.5 | 152.4 | 127 | 24 | 190 | 33 |
| 4" | 100 | 292 | 229 | 190.5 | 157.2 | 24 | 220 | 44 |
| 6" | 150 | 356 | 279 | 241.5 | 216 | 25.5 | 257 | 78 |
| 8" | 200 | 496 | 343 | 298.5 | 270 | 29 | 292 | 137 |
| 10" | 250 | 622 | 406 | 362 | 324 | 30.5 | 350 | 207 |
| 12" | 300 | 698 | 483 | 432 | 381 | 32 | 398 | 279 |
| 14" | 350 | 787 | 533 | 476.8 | 413 | 35 | 445 | 387 |
| 16" | 400 | 864 | 597 | 539.8 | 470 | 37 | 490 | 446 |
| 18" | 450 | 978 | 635 | 577.8 | 533 | 40 | 520 | 621 |
| 20" | 500 | 978 | 698 | 635 | 584 | 43 | 546 | 770 |
| 24" | 600 | 1295 | 813 | 749.3 | 692 | 48 | 880 | 970 |
5. Inspection Process
6. Valve total picture
7. Technical Standard:
Design: EN593
Face to face: EN558-1
Flange drilling: EN1092
Upper flange connection: ISO 5211
8. Personnel station:
Have professional salesmen, and 6 Engineers, More than 30 inspectors.
9. Quality and Safety:
We have a very strict and complete quality control system, which promises that goods we produced are always of the best quality, the enough inspectors to ensure that each product can meet the quality requirements of customers. We do the final inspection in own factory with ISO 9001:2008.
10.Location:
DUNHUI has a convenient location at the city’s exporting business zone, Dongli District. We are only 19 km to Tianjin International Airport, and very close to major highways,TIANJIN port. We look forward to work with your business!
Contact Us
- Tianjin Dunhui Trade Co., Ltd.
- Contact nameJayden Li Chat Now
- Phone86-22-59002458
- Address4-403, Building 8, Yoho Bay Ruihang Plaza
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