Special steel wire tape is required for the large height hoist. The specially designed high-strength steel wire tape is used as the traction member, which is completely different from the traditional steel wire tape in terms of thickness, wire density, warp and weft arrangement, wire thickness, etc., not only has higher strength, but also has better flexibility, and rubber and steel wire rope. Good adhesion between the two. The special tape produced by special formula and unique processing technology has the characteristics of low elongation, tear resistance, stable operation and long service life.
Optimized head wheel design with high wear-resistant vulcanizing head wheel and sweeping device to alleviate the failure of automatic correcting function due to adhesive. The drive shaft is supported by self-aligning roller bearings, and the bearing housing is dust-proof. The surface of the steel structure drive wheel is vulcanized with high wear-resistant rubber. It is processed into a special arc with automatic self-aligning function through a large CNC lathe, and then ground to enhance the between the head rubber and the tape. Friction. The shaft hole of the head wheel end face is turned by a 50-60mm steel plate and then ground to ensure the expansion joint between the expansion ring of the head wheel and the head shaft.
The improved powerful parallel four-bar linkage tensioning mechanism is used for anti-corrosion treatment. The self-balancing automatic tensioning design is adopted to make the end faces of the tail wheel synchronously move through the powerful parallel four-bar linkage mechanism, and the tail wheel is always slidable in parallel with the tape. With precision machined cage tail wheels, automatic tensioning and self-correcting are ensured. The utility model is characterized in that the tensioning stroke is increased, and the tape elongation of the ultra-high hoist is adapted, and the belt clip processing solution is reserved, and the tail screw of the machine increases the sealing. (Finish)
We're leading China R134a Refrigerant , R134a Gas, Refrigerant R134a, 13.6kg R134a Supplier & Manufacturer. We produce most kinds of refrigerant and already export to most of countries. Our quality already win a good reputation in oversea market. We can customize the R134a Refrigerant totally according to your requirements.
R134a Refrigerant also known as norflurane (INN), is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential. It has the formula CH2FCF3 and a boiling point of −26.3 °C (−15.34 °F) at atmospheric pressure. R134a Refrigerant cylinders are colored light blue. Attempts at phasing out its use as a refrigerant with substances that have lower global warming potentials, such as HFO-1234yf are underway.
Contact of R134a Gas with flames or hot surfaces in excess of 250 °C (482 °F) may cause vapor decomposition and the emission of toxic gases including hydrogen fluoride and carbonyl halides. Refrigerant R134a itself has an LD50 of 1,500 g/m3 in rats, making it relatively non-toxic, apart from the dangers inherent to inhalant abuse. Its gaseous form is denser than air and will displace air in the lungs. This can result in asphyxiation if excessively inhaled. This is what contributes to most deaths by inhalant abuse.
Aerosol cans containing Refrigerant R134a, when inverted, become effective freeze sprays. Under pressure, Refrigerant R134a is compressed into a liquid, which upon vaporization absorbs a significant amount of thermal energy. As a result, it will greatly lower the temperature of any object it contacts as it evaporates. This can result in frostbite when it contacts skin, as well as blindness upon eye contact.
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R134a Refrigerant
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