Structure Instruction
The product is designed and manufactured according to API Spec 6A"Equipment Specification of Well-head & X'mas Tree, which matches and is interchangeable with any equipment conforming to API 6A specification.
This is a non-return valve, which realizes the metal-to-metal seal by the pressure grows, the better the sealing effect is. The valve chamber can bear the pressure of the pipeline anytime.
The valve body is made of alloy steel forging, therefore, the valve possesses better mechanical properties and reliable performance.
The valve body is made of alloy steel forging, therefore, the valve possesses better mechanical properties and reliable performance.
The bonnet is connected with the valve body with bolt, the seals include the sealing ring in the bonnet and the seal in the valve body. The assembly gap between the bonnet and the valve body is minimized to as little as 0 in design theory, which reduces the erosion of the bolt and the bolt hole by the corrosive medium, and the bolt load is reduced as well.
The sealing face between valve core and valve body is overlay welded with hard alloy of good abrasion resistant and anti corrosion property. The valve core is made of sulfide-resistant steel and the other parts adopt the process of hardness limit so that the valve is applicable in the H2S environment.
Operation Instruction
The valve is installed according to the medium flow direction indicated on the valve body.
The valve core moves and seals with both up-flowing pressure and down-flowing pressure and down-flowing pressure, therefore, the valve core shall not be stuck.
Maintenance
Replace the valve core and the sealing piece.
The valve should be placed in the dry and airy room, and the inlet and outlet are sealed properly.
Discharge the pressure inside the valve cavity, dismount the bonnet bolt, take out the bonnet. Take out the valve core, replace it with a new core. When replacing the valve core, the core and the valve body shall be ground together.
Check whether the bonnet sealing ring is in good condition, if not, replace it immediately.
Part list
Serial
NO. | Name | Quantity | Material | Remark |
| 1 | Valve body | 1 | 35CrMo |
|
| 2 | Valve clack | 1 | 35CrMo |
|
| 3 | Spring | 1 | 65Mn |
|
| 4 | Valve core | 1 | 2CuA19-4 |
|
| 5 | O-ring | 2 | NBR |
|
| 6 | Valve bonnet | 1 | 35CrMo |
|
| 7 | Valve bonnet bolt | 8 | 35CrMo |
|
| 8 | Valve bonnet nut | 8 | 40Cr |
Dongying Hongsheng Petroleum Equipment Co., Ltd. is located in Lijin Economic Development Zone. The site area of installation and commissioning of equipment is up to 6200 square meters; The building area is up to 19447 square meters; Gross site area is up to 28380 square meters. Meanwhile, total investment is up to RMB 130 million. Besides, we passed the ISO9001: 2000 international quality system certification, China Compulsion Product Certification (CCC) and API certification for multiple product; Hongsheng Petroleum Equipment Co., Ltd. Has multiple independent legal entities, such as Beijing Dongdu Hengli Trade Co., Ltd, Dongying Yue Run Petroleum Equipment Co., Ltd, Lijin Longda Instrument Factory, Dongying Qinghai Oil & Gas Co., Ltd, two Overseas Companies. Moreover, employees' education background are college degree or above while management personnel's are bachelor degree. There are nine departments for Hongsheng Petroleum Equipment, where are with 13 postgraduate students majored in mechanical design, 213 technical engineers in various professional fields and more than 630 employees. Hongsheng Petroleum Equipment actively cooperate with major science and technology organization and petroleum colleges and universities, dedicated to the popularization and application of new technology for oilfield, the production and sales of drilling equipment, supporting services for large equipment at home and abroad, the output of oil and gas technology and ground engineering. Hongsheng Petroleum Equipment Co., Ltd is one of the key science and technology enterprises supported by Dongying City, one of listed companies in Dongying City, and one of main suppliers of Shengli Oilfield, Zhongyuan Oilfield and Daqing Oilfield.
As one strong petroleum equipment manufacturer and oil & gas service provider, we are in collection of research, development, manufacture, operation and service. Our main products are pressure gauges, temperature pressure gauge, and drilling rig, workover rig, rig accessories, pumping unit, sucker rod, sucker pump, drilling pipe, oil pipe and downhole tools etc. We have advanced equipment, strong technical force. Our productions are tested by professional and technical personnels and passed the ISO9002 international quality system certification and API monogram.
With insisting in the product systematize and technicalization, development internationalization and diversity, personal quality specialize, administration scientize, our company are devoted ourself to be the leader of oil & gas equipment and service provider as an international enterprise.
