How to check the insulation type knife gate valve? In some media production process, the temperature of the environment has certain requirements, so check the insulation performance is vital, so the key is to have good insulation work? 1. Excretion function role at the bottom of the pipe and plug is thread can connect, when the temperature rising, the screw thread part and it is hard to guarantee the sealing system, decided to enterprise cancel plug, plug, which is connected with the bottom to take over the effective changed into terraced drain plug and end connection analysis with winding gasket sealing, to ensure that the seal at the bottom of the social work reliability. Type knife gate valve disc sliding along the center line of the body of the valve. Pipeline check valve is a new kind of valve, its small size, light in weight and good processing technology, is one of the check valve development direction. But the fluid drag coefficient is slightly superior to swing check valves. Swing check valve can also be used to give the pressure could rise to more than the system pressure of the secondary system supply piping. Check valve disc around the seat to the clamp pin shaft rotate within the check Industrial Valves. Disc check valve has simple structure, can only be installed in horizontal pipe runs, sealing is good. 2. Within the seal chamber fitted with high temperature resistance of flexible production of graphite sealing ring of the composite material, at the back of the sealing ring with a taper section of the gasket, washer fitted behind the special network structure of the screw, it can tighten screw, the screw will be passed to the gasket, washer cone section will squeeze the sealing ring, sealing ring is to produce a deformation, make its tiejin, both inside and outside the radial bearing ring and body, so that the building insulation three-way ball valve is more resistant to high temperature in the radial sealing structure of products, at the same time, by tightening the screw, relations between the sphere and valve seat must have its tight sealing force, so that it is unable to get a good seal. 3. On the seat tightness architecture also choose corresponding improvement, adopts insert type structure, and the body bearing ring grooves dug up, groove bottom in sealed treatment of superior performance and high temperature resistance of the flexible graphite, can not only improve a seat at the bottom of the seal protection, and learn to play between the sealing deputy for heat bilges cold shrink compensation mechanisms. In flexible graphite is mounted on the high temperature resistant metal seated, using the environment temperature can be increased to 425 degrees Celsius for a long time use, thus put forward to solve the thermal insulation three-way ball valve cannot be used at 200 degrees Celsius above personnel continued for a long time. And teachers also can be used as according to the requirement of the China's actual operation condition choose different main material of the seat. Therefore, good heat preservation performance check Industrial Valves, in order to meet the production requirements of different people is very important.
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