Acrylic Baby swimming bathtub are becoming more and more popular. They can be made in different colors. They have a cracking resistance of 12-18 times as much as glass, a hardness of several times that of ordinary glass. Acrylic Bathtub have the properties of resistance to scratching and scratching, and their hands are smooth and round, and do not have sweat stains. Fingerprints. More importantly, acrylic Swimming Pool can add a variety of thermostatic, massage and other functions, in winter babies can also rest assured to swim Baby Bathtub Baby Bathtub,Acrylic baby bathtub,Baby swimming bathtub,Baby Tub,Baby massage tub Dongguan Horizon Technology Development Co., Ltd. , http://www.bathroomsoffer.com
Baby Bathtub
Pump maintenance and inspection
Pump maintenance and inspection (1) lubricants should be low viscosity, insoluble in water lubricants, and in line with FDA172.878 health standards. The manufacturer shall provide lubricants used in commissioning or equipment normal operation, their sign type and / or substitute sign type as well as their sales agents' address and name in China. (2) Pump casing The pump casing shall be of integral type, eccentric design, water absorption at the bottom of bellmouth and lateral drainage. The material shall be of high quality cast iron. The inner surface shall be smooth and flawless. All overcurrent surfaces shall be designed with no acute angle so that the miscellaneous Objects can pass through the impeller without wrapping. The pump housing shall have sufficient thickness to withstand all loads, including the hydrostatic test pressure and continuous working pressure required. Each pump shell must be made at the manufacturer static pressure test, the test pressure shall not be less than 2 times the design pressure, to ensure that the test pressure, any part of the pump are not allowed leakage, sweating and so on. The contractor must provide a test report with the equipment. The design of the pump housing should allow for the impeller to be drawn from the top or bottom. The pump housing should be equipped with a clean hand hole and a detachable hand hole cover. Pump housing construction should be very strong and sturdy, through the water elbow support fixed to the pump well floor. In addition to stainless steel, all metal surfaces in contact with the pumped medium and the exterior of the pump shall be rust protected. (3) Equipment Main Material Impeller: Ductile Iron or Better Pump, Motor Housing: High Quality Cast Iron Spindle (Sleeve): Stainless Steel AISI 420 or better Rail: Stainless Steel AISI 304 Chain: Stainless Steel AISI 304 Mechanical Seal: Sintered Carbonized Tungsten / Silicon Carbide (Static / Rings) Wetted Fasteners: Stainless Steel AISI 304 (4) Preservatives The entire material used to make the pump should be suitable for use in worksite immersion environments. (5) acceptance standards (not limited to) ISO9906 pump acceptance test procedures (A level) GB50275-98 compressors, fans, pumps and construction of the installation and acceptance specifications 6 manufacturers dedicated installation and maintenance of centrifugal pumps diving manual 7. Field inspection and commissioning After the submersible centrifugal pump is installed, it should be operated with load for 8 hours (the running time can be determined according to the water level in the pump room). The contractor shall test according to the technical indicators to check whether the flow, lift and efficiency meet the design requirements. At the same time, Equipment running smoothly, no abnormal sound and vibration, motor current, power factor equivalent. 8. CONTRACTOR'S RESPONSIBILITY Equipment and operation of on-site performance tests shall be the responsibility of the contractor, which must state how to conduct the above test in the bidding document. Available, but not limited to, the following accessories for the following pumps: â‘ Stainless steel nameplate must be securely attached to each pump in a prominent position with a stamped, digital sign on the nameplate. â‘¡ Each pump shall be equipped with lifting lugs, made of stainless steel, its location should be placed near the pump's center of gravity. â‘¢ stainless steel chain, anchor bolts, cable sheathing and cable hooks. Nanjing Good World Electromechanical Technology Co., Ltd. is located in No. 999, Jinye Road, Jiangning Science Park, Nanjing, PR China. Our company is a professional agent of foreign well-known brand imported pump companies, providing all kinds of imported pump brands and professional pump selection and technical service in the world! Brand include: Grundfos Pumps, ITT pumps, DAB [Procurement] Pump Accessories [Procurement] Ball Valve [Procurement] Submersible Pump [Procurement] U-shaped humidification tube [Procurement] Pump [Purchase] Safety valve combination [Procurement] Industrial pumps [Procurement] pumps