February 18, 2011 por hua003 Comentarios (1)
the swing
Swing check, also known swing check valve as one-way valve, check valve, and its role is to prevent the line of medium back. Opening and closing pieces by medium pigment orange 16 flow and the forces to open or close pigment yellow 3 the valve to prevent the media called the plastic mould check back. Check valves are automatic valves, mainly for one-way flow of media channels, only allowing media to flow in globe valves one direction, to prevent accidents.
This type valve in the distribution box pipe should normally be installed horizontally. Swing check valves for pressure reducing valve nominal pressure PN1.0MPa ~ 42.0MPa, Class150-2500; nominal diameter of DN15 ~ 1200mm, NPS1 / 2 ~ 48; working temperature play equipment 196 ~ 540 ℃ for various pipeline, to prevent medium back. By choosing different materials, applicable to water, steam, oil, nitric acid, acetic acid dining table strong oxidizing medium vacuum sealer and urea and other media. Applicable rotational molding to pure media, not for containing the solid particles and the viscosity of the medium.
Edit this paragraph amusement equipment the main material Carbon steel, low temperature dog chew steel, duplex steel (F51/F53), titanium alloys, aluminum bronze, inconel Seoul (INCONEL625), SS304, SS304L, SS316, SS316L; Cr-Mo steel, Monel (400/500), 20 optical glasses alloy, Hastelloy and other metal materials Edit this paragraph forged valves standards and specifications
the short length of the skf bearing structure, only the length of the structure of the traditional flange check valve 1 / 4 to 1 / 82, small size, light weight, its weight is only the traditional flange check valve stainless steel pipe close the valve quickly, the water hammer pressure small 4, horizontal or vertical pipe can be used, easy installation 5, flow smooth, fluid resistance 6 vortex flowmeter sensitive, good sealing 7, the valve flap short trip, close the valve impact small 8, the overall structure simple and compact, attractive appearance air brake valve long life, high reliability and an printing machine action principle.
move up and down torch lighter through the cylinder plug to facilitate pigment yellow 13 rapid opening and closing valve to achieve the moncler jackets sealing surface 2 Structural Description A structure: Swing Single disc drive B: welded connections C Connection: welded connection D of band saw the valve opening and closing authentic jerseys the pneumatic device to control and to accelerate the valve opening and closing speed. commercial printing Maintenance of the valves inflatable life raft should be stored in a dry and ventilated room, so that moisture, rain. pieces of store opening pigment red 48 and closing on transportation plug valve should be at the closing device, and solid state relay should do the following: a valve should be fixed in the open position b at both ends inside the mouth with a diameter foam block miniature circuit breaker the port shall be plugged with a boring cover, to prevent dust, rust, clean and maintain the channel end of the globe valve formation; c cylinder parts of the appropriate protective packaging, shock and anti-collision; d valve should be placed on a smooth, pneumatic drive up, not by squeezing each other playground equipment Regular checks should be placed 3 long. Every three months on the two channels, the sealing surface plug valve of the dirt and rust, welding protection slitting machine status of the mouth of inspection, wipe globe valves dirt and rust, re-brushing to paint pigments be protective anti-rust oil.
Installation and use 1 extraction slip ring check valve vertical installation in horizontal pipelines mbt sale the use of a general in the fully open state. 2 Installation work should be preceded by the following channel A relieved at both ends of the valve cover and foam board bored, clean bore, remove grease; B stripped of oiled paper on the surface of the disc, the disc surface to remove grease; 3 the flow of the installation media helmets must be limited. 4 through the pipe with the media should not be hard particles, so as not to damage the sealing surface 5 of the valve factory in Taiwan to the inspection and test swiss made watch qualified installers can directly pressure test or installation.
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