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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.High quality API cryogenic gate valve
2. Main performance indicators
| Body Cover Disc | Stem | Sealing Face | Sealing shim | Working temperature(℃) |
| WCB | 2Cr13 | 13Cr STL PTFE Nylon | 13Cr Enhanced Flexible graphite SFB-2 08Soft steel F304 F316 F304L F316L | ≤425 |
| WC1 | 38CrMoAI 25Cr2Mov | ≤450 | ||
| WC6 | ≤540 | |||
| WC9 | ≤570 | |||
| C5 C12 | ≤540 | |||
| CF8 | F304 | ≤600 | ||
| CF3 | F316 | |||
| CF8M | F304L | |||
| CF3M | F316L |
3. Product drawings
4. Main Dimensions
| Class | in | L | H | D | D1 | D0 |
| 150Lb | 2 | 7 | 16.1 | 6 | 4.75 | 8 |
| 3 | 8 | 20 | 7.5 | 6 | 1 | |
| 4 | 9 | 23.2 | 9 | 7.5 | 10 | |
| 6 | 10.5 | 24.8 | 11 | 950 | 12 | |
| 300Lb | 10 | 18 | 48.5 | 17.5 | 15.25 | 17.7 |
| 12 | 19.75 | 57 | 20.5 | 17.75 | 19.7 | |
| 14 | 30 | 64.8 | 23 | 20.25 | 23.6 | |
| 600Lb | 18 | 43 | 43 | 29.25 | 25.75 | 36 |
| 20 | 47 | 47 | 32 | 28.5 | 37.4 | |
| 24 | 55 | 55 | 37 | 33 | 39.4 |
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!
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