1 Product Function and Scope Self-operated three-way thermostat (hereinafter referred to as three-way thermostat valve) is a kind of energy-saving products that can be adjusted automatically according to the temperature change of controlled media without external energy. It combines measurement, execution, control functions in one, widely used in heat exchange equipment, air conditioning and various diesel engines, air compressors, lubrication equipment, gas turbines, generating units and other equipment cooling system oil, water and other temperature control. 2 working principle Three-way thermostat valve is based on the liquid incompressible and thermal expansion and contraction principle of work. 3 Features and Specifications 3.1 Features: (1) Three-way temperature control valve temperature sensing element is inside the body, so no external temperature sensor; (3) three-way thermostat valve there are a variety of three entrances and exits (3) The three-way thermostat valve is small and light in weight; (4) The three-way thermostat valve does not need external energy and is very easy to use and maintain; (5) The thermostat has high precision and smoothness; (6) Thermostat valve with emergency manual control device. 3.2 Specifications: DN15 ~ 200mm. 4 according to the valve structure type classification is divided into: ⑴ rotary valve type (≥ DN50); ⑵ slide valve type (≤ DN50). 5 three-way thermostat valve design parameters and temperature adjustment range 5.1 design parameters in Table 1. 5.2 Temperature adjustment range shown in Table 2. 5.3LZF rotary valve thermostat installation type shown in Table 3. 6 design selection points (1) to determine the medium is controlled by the oil or water. (2) Calculate the flow rate of controlled medium m3 / h. (3) According to the controlled medium and its design flow to select three-way thermostat caliber. (4) According to the valve body material (copper or T cast iron), connection type (F flange, G pipe thread, ZG taper pipe thread), valve structure type (Z rotary valve type, H slide valve type) And installation type (see Table 3) to determine the three-way control valve model. (5) According to the different flow of the three valve port fluid, three-way thermostat valve can be used for confluence (Figure 1) or shunt (Figure 2) control occasions. (6) The function of the three-way thermostatic valve is to mix the fluid of two different temperatures through the valve to form the third temperature fluid with the temperature between the first two. The valve has two ports (B High temperature inlet, C low temperature inlet) and an outlet (A), temperature sensing element installed at the outlet (A). Split flow tee temperature valve is the role of a fluid through the valve is divided into two ways, when the valve is closed in the same time to open an outlet to another outlet, this valve has an inlet (A) and two outlets (B is the bypass return, C is the bypass cooling). (7) three-way thermostat valve can replace a two-way valve and a three-way take over. (8) There are six types of installation of rotary valve three-way thermostat (see Table 3) to adapt to any pipe-to-pipe connection. The installation type is selected according to the actual pipe connection of the system. (9) three-way thermostat valve can be installed anywhere, but the emergency manual device surface should be installed in a convenient location. (10) In order to prevent the media stuck or blocked impurities, three-way thermostat valve should be set in front of the filter.
Replacement Filter Elements
Element Struction
FPM seal ring ensure the air-tightness between filter head and filter element, to achieve a positive filtration Effect.
Double stainless steel support layer to ensure the fulter element strength, deep bed Multi-wrap borosilicate glass microfibre large flow passage prevent high pressure drop.
With 96% porosity high dirt holding capacity, lifespan up to 6000 to 8000 hours. The general differential pressure is 0.17~0.25 kg/cm, less than 0.65kg/cm.
The element cover is made of PA+GF, free from deformation at 1.8Mpa pressure and high temperature of 240℃ and capable of resisting general acid and alkali chemical corrosion and withstanding the severe compressed air environment.
Special material for the outer layer of filter element, with strong hydrophobic and oilphobic, prevent the oil or water being blown away and received drying and filtering effect.
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