Welcome to Wenbao Valve Co., Ltd Official website E-mail:sales@wbvaIve.com
Select :
Fully welded ball valve, the valve is composed of three independent forged parts that are welded together to form a single unit, ensuring that the ball valve is connected to the valve body without leakage under allowable working conditions. The product is mainly used in natural gas, petroleum, water and other media, suitable for pipeline use in residential heating, urban gas, petrochemicals, steel, shipbuilding, metallurgy, power stations, pressure regulating stations and other industries.
Product drawings
Product size
| DN | PN | L | D | G1 | G3 | G4 | t | N-ФD | h | T-e | ISO5211 | 备注 |
| 200 | 25 | 400 | 15 | 273 | 310 | 360 | 8 | 12-Ф30 | 107 | 34-2.5 | F14 | |
| 250 | 25 | 530 | 200 | 375 | 370 | 425 | 8 | 12-Ф33 | 117 | 38-2.5 | F14 | |
| 300 | 25 | 630 | 250 | 462 | 485 | 430 | 10 | 12-Ф33 | 129 | 42-2.5 | F16 | Double stage worm gear |
| 350 | 25 | 686 | 300 | 480 | 520 | 470 | 12 | 16-Ф39 | 129 | 50-4 | F16 | Double stage worm gear |
| 400 | 25 | 760 | 350 | 508 | 460 | 530 | 16.2 | 16-Ф39 | 135 | 50-4 | F16 | Double stage worm gear |
| 500 | 25 | 900 | 400 | 670 | 485 | 525 | 18 | 16-Ф30 | 135 | 32-3 | F30 | Double stage worm gear |
| 600 | 25 | 1050 | 500 | 813 | 615 | 660 | 23 | 20-Ф36 | 135 | 52-3 | F30 | Double stage worm gear |
Worm torque
| Nominal Diameter | DN150 | DN200 | DN250 | DN300 | DN350 | DN400 | DN450 | DN500 | DN600 |
| torque/.MI | 160 | 200 | 260 | 310 | 300 | 360 | 360 | 400 | 480 |
design basis
1. The design of the valve shall comply with Q/320506 FDV01-20132: GB/T 12224-2005 "General Requirements for Steel Valves"
2. GB/T 12220-1989 "General Valve Marking"
3. GB/T 12223-2005 "Connection of Partial Rotary Valve Drive Devices"
4. JB/T 12006-2014 "Welded Ball Valves for Steel Pipes"
5. GB/T 37827-2019 "Welded Ball Valves for Urban Heating"
6. Flange surface standard: GB/T 9113
7. Flange end standard: GB/T 12221-2005
Product Parts List
| No. | name | Materials | No. | name | Materials |
| 1 | IGBT | 20# | 15 | lower bearing | Q235+PTFE |
| 2 | 16 | Stem | 2Cr13 | ||
| 3 | ball | SS304 | 17 | grommet | PTFE+C |
| 4 | sealing ring | PTFE+C | 18 | branch pipe | 20# |
| 5 | valve seat圈 | 20# | 19 | Upper bearing | Q235+PTFE |
| 6 | o-ring | Fluoroplastic rubber FKM | 20 | grommet | PTFE+C |
| 7 | disc spring | 50crv4 | 21 | o-ring | FKM |
| 8 | Rear valve seat | 20# | 22 | Stud | 8.8 |
| 9 | take over | 20# | 23 | Nut | 8 |
| 10 | bottom cover | 20# | 24 | circlip | 45# |
| 11 | Hexagon socket head cap screw | 45# | 25 | Flange connection | 20 |
| 12 | Discharge plug | 45# | 26 | Axle clamp spring | 45# |
| 13 | o-ring | FKM | 27 | flat key | 45# |
| 14 | 底座 | 20# | 28 | driving device | QT450 |
Related Information
High pressure flange fully welded fixed ball valve Q347HF-300LB-1500LB
Directly buried single discharge ball valve MQ361HF-25 CF8 ball
Fully welded ball valve Q61HF-16/40C CF8 ball reduced diameter forged ball valve with movable handle
Q61HF-20K CF8 fully welded reduced diameter ball valve with movable handle KIS standard
If you have any questions or suggestions about the product, or if you want to know more, you can contact us at any time.
Web
WeChatProduct Center
Export department
