ANSI TFA48C Full Lift spring loaded safety valve
Structure features:
1. As foundry goods have been founded precisely, it has tight struture, graceful appearance, smooth and cleaning surface.
2. The seat and the body have been adopted the subsection design, the seat is easy to process, the sealing face is rubbed into mirror face, which ensures sealing, and is convenient to dismantle, install and maintain.
3. The reasonable design of disc holder with the adjusting ring so that safety valves can be turned on quickly in the respect of adjust and obtain a perfect blow down difference.
4. Both the seat and body that are made of welding stellite are wear-resistant and erosive-resistant so as to ensure sealing and to proiong the life of use.
5. The back pressure balance safety valve which is made of bellows is effective to eliminate the back pressure influence on set pressure, , and have tightly segregant fuction for erosive and poison materials in order to prevent medium from eroding inner parts of valves and polluting environment...
6. The spring as a key part is treated for 24 hours under the constant temperature twice so as to ensure the stable firmness at work and the proper skip.
7. The parts of the seat and the body have been tested press-resistance so as to ensure the safety and reliability at work.
Established in 1996, Luofu Valve Group Zhejiang Zhonggong Valve Co., Ltd is located in Wenzhou City, Zhejiang P. R 325105, China.
Main Products:
1. API/ANSI Standard Valve: Butterfly Valve, Gate Valve, Safety Valve, Globe Valve, Check Valve, Ball Valve, Plug valve
2. DIN standard: Gate valve, globe valve, strainer
3. GB Standard: Butterfly Valve, Gate Valve, Safety Valve, Globe Valve, Check valve, Control Valve, Water Control Valve, ball valve, plug valve
4. Flange and strainer
5. Bellows type valve: Globe valve, safety valve, gate valve, strainer
Honors:
1. API 6D
2. ISO9001: 2000
3. CE Certificate
4. AZ Certificate
5. Invent Patent (Patent No.: ZL 99 1 13657.8)
6. Audited Supplier (Trustworthy Supplier Members on Made-in-China. com)
Nominal diameter (DN): 15-4500 mm(1/2"-180");
Nominal Pressure (PN): 1.0Mpa-32Mpa(150lb-3000lb);
Material of body: WCB, WC6, WC9, CF8, CE3, CF3M. CF8M, etc.
Standard: GB, DIN, JIS, ANSI, API
The company has excellent mechanical processing equipment and modernized inspection& testing equipments more than 66 sets.
Zhonggong Valve Co., Ltd is experienced in the design and manufacture of valves and enjoys a high reputation in the valve industry. Now it has become the material equipment company of SINOPEC, the first-class network supplier of China National Petroleum Corporation, the member unit of China Ocean Petroleum Corporation, Shengli Oil Field, China Water &Electric Power Company, etc.
