Stainless steel sewage pump is the introduction of foreign high efficiency energy-saving non-clogging sewage pump advanced experience, QWP stainless steel sewage pump is a type of stainless steel sewage pump, QWP stainless steel sewage pump features many people will be clear, so detailed you do you know? QWP stainless steel sewage pump features are described as follows: QWP stainless steel sewage pump Features Description 1, the overall structure is compact, small size, small noise, energy-saving effect is significant, easy to move, easy maintenance, without the construction of pumping stations, dive into the water to work, greatly reducing the project Cost. 2, stainless steel sewage pump according to user needs with automatic safety control cabinet, the pump leakage, leakage, overload and over-temperature and other absolute protection, improve product safety and reliability. 3, the use of large runner anti-clogging hydraulic components designed with a unique single-leaf or double-vane impeller structure, greatly improving the ability of sewage through the pump diameter of 5 times the fiber material and the diameter of the pump diameter of about 50% Of solid particles. 4, stainless steel sewage pump can be used in the whole range, while ensuring that the motor will not be overloaded. Reasonable design, matching motor reasonable, high efficiency, energy-saving effect is remarkable. 5, the float switch can be based on changes in liquid required to automatically control the pump start and stop, without special care, the use of extremely convenient. 6, stainless steel sewage pump can be equipped with double rail automatic coupling installation system according to user needs, it brings great convenience to installation and maintenance, people do not have to enter the sewage pit for this purpose. 7, seal oil chamber is equipped with high-precision anti-interference leakage detection sensor, and stator windings embedded with thermal sensors, absolute protection of the pump motor. 8, stainless steel sewage pump has two different installation methods, fixed automatic coupling installation system, mobile free installation system. 9, the oil chamber with oil-water probe, when the pump-side mechanical seal damage, the water into the oil chamber, the probe sends a signal to pump protection. 10, stainless steel sewage pump mechanical seal with a new type of hard and decay resistant tungsten carbide material, durable, wear-resistant and other characteristics, while the seal improved double seal, so long-term operation in the oil chamber can pump safe and continuous operation 8000 hours or more. 11, According to the occasion of use, the motor can adopt the water jacket outer circulation cooling system, which can ensure the pump to run in the anhydrous (dry) ring cooling system and ensure the pump to run safely in the dry (dry) state. 11 points listed above is the QWP stainless steel sewage pump features that, if you read carefully, I believe you soon QWP stainless steel sewage pump this product is very familiar with. Further reading: IFAT China Guangzhou exhibition industry leaders building water pump manufacturers ranking article belongs to Internet industry (Xiamen) Co., Ltd. All are welcome to reprint, please indicate the source and author of: Asian pumps Network Editor: lindj (QQ / WeChat:) Starting: http://beng.liuti.cn/ (Service Hotline:)
Tapping Screw
Although there are many types of tapping screws, they all have the following similarities:
(1) are generally made of carbonized carbon steel (accounting for 99% of total production). It can also be made of stainless steel or non-ferrous metals.
(2) The product must be heat treated. Carbon steel tapping screws must be carbonized and stainless steel tapping screws must be solution hardened. In order to make tapping screws to meet the requirements of the standard of mechanical properties and performance.
(3) The product surface hardness is high, the core toughness is good. That is, "soft inside strong outside". This is a major feature of tapping Screw performance requirements. If the surface hardness is low, it can not be screwed into the matrix; If the core toughness is poor, a twist will break, can not be used. So "inside soft outside steel" is self-tapping screw to meet the use of performance, very important requirements.
(4) The surface of the product needs surface protection treatment, generally electroplating treatment. Some product surface must be treated by phosphate (photostatting), such as wall panel self - tapping screws for photostatting.
(5) Production by cold heading process. It is recommended to use high-speed cold heading machine and high-speed wire rolling machine or high-speed planetary wire rolling machine. High speed is emphasized here to ensure product quality. Only the head of tapping screw produced by high-speed machine is well formed and the thread quality is high.
Round head Tapping screw,hex tapping screw,flat head tapping screw,pan head tapping screw,truss head tapping screw
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