1. A "bullet head" design, a "drum" shape design of the fuselage, which improves the media flow valve and reduces the flow resistance coefficient. 2. Uses a short form valve structure, although the head loss is slightly higher than the silent check valve valve lift. Larger, but smaller in size, cheaper in price3, compact in structure, providing a lubricated non-metallic sleeve between the guide shaft and the guide frame, valve lift and flexible, it will not produce a lockup phenomenon4, directly installed on the main frame Rubber seals to avoid long-time direct media to seal, significantly longer service life, durable 5, short opening and closing stroke, valve, can effectively prevent the production of water hammer 6, suitable for water supply and drainage systems, high-rise building pipe network, It can be installed at the outlet of the pump, the structure is modified and can be used as a suction bottom valve, but it is not the principle of the sewage pipe network structure 1, the valve is in use, according to the direction of the medium flow of the arrow. 2. When the medium is conducted according to the predetermined direction of flow, the medium power valve conducts; when the upstream medium, due to the weight of the valve and the force of the medium backward, the sealing surface density of the valve and the valve seat is closed together to prevent the medium The purpose of counter-current. 3. Valve body and valve sealing surface are welded by stainless steel. 3. The length of the valve structure according to the provisions of GB12221-1989 of JB / T79-1994, the size of the flange. Installation and use Both ends are blocked 1, the valve channel, there is a ventilated drying room. For long-term storage, check corrosion prevention frequently. 2. The valve should be cleaned before installation, and the defects caused during transportation should be eliminated. 3. The installation signs and nameplates must be carefully checked when the valves meet the requirements. 4. The valve is installed in a horizontal pipe with the bonnet upward.
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Film Faced Plywood is mainly made up of eucalyptus Plywood , poplar plywood or eucalyptus and poplar plywood, it is economic and practical for the construction concrete pouring, for it could be the face panel for any formwork system.LULI Group Co. Ltd, well known as the leading manufacturer for wooden, steel and paper products, located in Shouguang, Weifang, Shandong, China. Since the foundation in 1985, it focus on the production of film faced plywood, venner, MDF , Particle board, Door skin , Blockboard, Finger Joint Board, OSB , paper, Steel etc.And we have High Quality film faced plywood.
film faced plywood Details:
size:1220*2440MM 1500*3000MM 915*1830MM 1250*2500MM
thickness:5MM--25MM
material:poplar, hardwood, combine, birch, finger jiont board
film color:browm, black, red
glue:WBP, MELAMINE, MR
Packaging Details:export standard packing,inside covered with plastic bag, outside covered with carton then steel strip for strength, the bottom with regenerative wood pallet
Delivery Time:Shipped in 20 days after payment
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Luli Group Co.,Ltd. , https://www.cnluli.com