all welded ball valve is widely used in shipbuilding, power plants, all walks of life, such as city gas is widely used in various kinds of mechanical pipe equipment. Compared with common cast steel ball valve, full welded ball valve has a superior quality, stable performance, long service life, etc. The adoption of such a broad range of advantages, I believe that a lot of people want to understand the performance and structure of full welded ball valve, the following will introduce in detail. The structure of full welded ball valve features: 1. All welded ball valve with advanced seat: according to the design of seat ball valve manufacturing experience for many years with low friction coefficient, small work torque, the seat material variety, wide application range, etc. 2. All welded ball valve stem fly prevention design: set up the steps at the bottom of the valve stem, install the valve stem from inside the body, prevent the valve stem. 3. All welded ball valve of the anti-static function: set between or ball valve and valve body, valve stem antistatic spring, can reduce the switching operation produce static electricity. 4. All welded ball Industrial Valves of the refractory structure: advanced refractory design. After the fire, leakage of component design for the flexible graphite packing or stainless steel graphite, in order to meet the fire requirement. 5. Operation of full welded ball valve handle, using the crew cut stem, and handle the connection is good, ensure that the switch state in accordance with the valve handle instructions. To prevent wrong operation valve switch, in seated position setting locking hole, ensure that the valve is in the correct position. A kind of 6. All welded ball Industrial Valves adopts the most advanced domestic and international support plate structure, improve the service life of the Industrial Valves, reducing the valve operating torque, greatly extend the service life of the valve. All welded ball valve performance: 1: no maintenance, adjustment, lubrication, easy installation, long-term reliable operation, low operating cost. The surface glossiness is good, is in the leading position in domestic. No external leakage phenomenon. The valve is welded, so the valve is very light, easy to insulation. The installation of adjusting mechanism is very simple. Operating handle can be removed and reverse installation. 2: due to the seat by the carbon fiber reinforced ptfe sealing ring and disc spring, has a strong adaptability to changes in pressure and temperature, the pressure of tags and temperature range will not produce any slide. 3: the ball processing technology with advanced computer testing instrument tracking detection, sphere machining precision is high. 4: because the body material is the same as pipe material, won't produce non-uniform stress, not due to earthquake and the vehicle through the ground deformation, pipeline anti-aging. 5: integral all-welded, such as diameter of bianjing channel, the fixed and floating ball, double piston effect sealing system, automatic injection rubber bearings. 6: in order to prevent electrostatic, between the stem and ball, installation of steel ball and spring between stem and packing gland, keep all parts of the body and valve electrically conductive, let electricity pass through the area, the release of static electricity. Not only to prevent fire, prevent corrosion, cut off temporarily, in order to timely maintenance. 7: stem anti-shedding function is because of the influence of the pressure in the valve stem, always produce separation force, so the valve stem design for anti-shedding structure. 8: thrust washer with low friction material pushes the stress onto the valve stem, stem can only transfer torque.

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