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Flanged Explosion-proof Passage Indicator

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Explosion-Proof Mechanical Pig Signaler with flanges,Website:http://www.yongyeindustry.com, composed of mechanical contact-type main body, anti-explosion digital display mechanism. It has the feature of visual indication, mechanical parts automatic reset, visual section manually reset and signal’s remote transmission. And the pig’s running can be normal showed at two directions of front and reverse in the pipeline. Signaler can indicate the pigs passage situation by the mechanical structure of the positioning and fixed point, provide the information for operator and guide the technological process of switching. ? ?一、Product block diagram：? ??二、Feature?1、LCD digital display products work, built-in timer, automatic travel, can show the standard time.?2、LCD digital display products: Power supply DC6V?3、Remote transmission controlled contact capacity: 24 VDC 3 A?? ?span style=& quot;white-space: nowrap;& quot;4、Remote transmission control signal effect time: 5 S?5、Remote transmission interface NPT1/2 or G1/2?三、Scope of application：?1.Explosive gas、flammable medium.?2.Explosion-proof marks dⅡBT4/IP65 ? ?四、Basic structure?Basic structure (see figure),composed of?mechanical contact-type main body, display?institutions（Explosion-proof digital display?institutions)?1、Probe: Bi – directional swing follows to pipeline direction.?2、Down flange: Good welding performance carbon steel, steel alloy or 304 stainless steel.?3、Bolt, nut, flat washer.?4、Top flange.?5、Contact probe, send signals to the explosion-proof head.?6、Explosion-proof head: display time, Pigs’ passage time and number of times, Send remote signal.?7、O sealing ring.?8、Lever system?9、Tightening screw?10、Protective cap?五、Mechanical transmission part technical characteristics?1、 Design pressure: According to the work needs.?2、 Operation temperature: According to the work needs.?3、 Installed pipeline diameter: ≥89mm.?4、 Medium: oil, water, natural gas and other non-corrosive fluids.?5、 Pipeline material:?A： All kinds of metals are

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