1.Specification
| Design Standard | GB/T 12236 |
| Pressure-Temperature Rating | GB/T 12224 |
| Face-Face | GB/T 12221,GB/T 15188.1 |
| Flange Dimension | GB/T 9113,JB/T 79 |
| Butt Welding Connection | GB/T 12224 |
| Calibration & Test | JB/T9092,GB/T 13927 |
Test Pressure
(MPa) |
Nominal Pressure | PN1.6 | PN2.5 | PN4.0 | PN6.4 | PN10.0 | PN16.0 |
Shell Test | 2.4 | 3.75 | 6.0 | 9.6 | 15.0 | 24.0 |
High-pressure Seal Test | 1.76 | 2.75 | 4.4 | 7.04 | 11.0 | 17.6 |
Low-pressure Seal Test | 0.6 |
2.Material of Main Accessories
NO. |
Parts Name |
Carbon Steel |
Stainless Steel |
Alloy Steel |
Low Temperature Steel |
| 1 | | Body | WCB | CF8 | WC6 | LCB |
| 2 | | Disc | WCB | CF8 | WC6 | LCB |
| 3 | | Gasket | +SS304 | +SS304 | +SS304 | +SS304 |
| 4 | | Bonnet | WCB | CF8 | WC6 | LCB |
| 5 | | Stud | 35CrMoA | OCr18Ni9(304) | 35CrMoA | OCr18Ni9(304) |
| 6 | | Nut | 35# | OCr18Ni9(304) | 35CrMoA | OCr18Ni9(304) |
| 7 | | Spring | 60S12Mn | OCr18Ni9(304) | OCr18Ni9(304) | OCr18Ni9(304) |
Note:
1.The material will be different according to operate temperature and medium.
2.The operate temperature of common internal parts material please check appendix VII.
For more details, pls contact Mr Wendy
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Web: www.hufa.net
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Address: Yulong Industrial Park, Hohhot, Inner Mongolia, China.
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HUFA TECHNOLOGT HOLDING Co., Ltd was established in 2008 as a maintenance and modification company with the ability to provide full in-line valve service and repair. From 2008-2015, HUFA combines the highest quality material available in manufacturing ball valves, gate valves, globe valves, check valves, butterfly valves, control valves. With years of dedication and commitment to quality, design, and service, HUFA earned it ISO9001, ISO4001, OHSAS18001, QE: 900, CQC, CE, TUA international certifications, 18 industry related domestic certifications and 9 Patent invention certifications.
Now HUFA has grown to be the No. 1 valve manufacture in Inner Mongolia Province. HUFA's independent status and extensive industry experience enable us to focus on higher level of special valve manufacturing, especially gate, globe valve. Annual valve of production over 10 million, customers cover Middle East,
Southeast Asia, North Europe, South America, North America.
Whether you're designing, installing, servicing or maintaining a valve system, HUFA can help and we trust our compact valve structure design, competitive price and on time delivery will enable us to be your best supplier.
