China wholesale Fully Welded Body Trunnion Mounted Ball Valve Thailand Factory
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GMK fully welded ball valves are especially designed for gas transportation and storage industries. The fully welded body design can prevent any potential external leakage from connection of body and bonnet. In addition, the forged body with the advantages of consistent grain size and even thickness. Thus it inherently eliminates the conventional casted valve material defects, such as: shrinkage, porosity.
2 ～60 （DN50~DN1500）
Working temperature: -60℃~ 500℃
Body material: low-temperature carbon steel, carbon steel
Operation: Wrench, worm gear, electric , pneumatic , gas over oil actuator and electro-hydraulic actuator.
Design standard: ASME B16.34/API 6D/BS 5351
Face to face standard: ASME B16.10
Flange ends: ASME B16.5、ASME B16.47
Fire safe design: API 607、API 6FA
Pressure test: API 6D、API 598、
Simple structure with good tightness and small torque;
With a fully-welded valve body, full bore and the minimum flow resistance (zero actually);
Fire safe, anti-static and anti-blowout stem design;
Valve seat function DBB, DIB-1, DIB-2;
Be able to be used for underground installation without corrosion of interior parts, therefore, it is the best application for petroleum and natural gas lines;
Service life up to 30 years.
Long distance pipe lines for petroleum, chemical industry, metallurgy, light industry, power station, urban construction water supply, as well as oil, gas and natural gas transmission and so on
This video is a tutorial on different hydraulic schematic symbols and how to interpret what each symbol means. Part 1 discusses the symbols for miscellaneous components and accessories used in hydraulic systems. Part 2 covers check valves. Later parts will discuss more frequently used symbols within the fluid power industry. The last part covers how to read and interpret hydraulic and pneumatic schematics.
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