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            Ammonia flow limiting valve
            
				Dateline:2014-11-30    Hits:
				
				
            This valve is a safety protective valve, used in ammonia, liquid ammonia, oil and othernon corrosive medium. In the media in the pipeline flow rate exceeds the set value is too large to shut immediately, automatically shut down in the pipeline or attachments corrupted velocity, preventing the occurrence and expansion of the accident, usually installed in the tank or pipe export, import and export, the safety and reliability ofprotect downstream equipment. The driving means can be automatically connecting mode can be selected, flange, the structure can be used for current limiting type, the sealing structure can use soft seal, seal, pressure PN0.1-4.0Mpa, nominal diameter is DN25-200mm, the use of cast iron, cast steel materials, stainless steel. Due to the use of the scope of the valve is very wide, with a valve has different collocation in theoccasion with different conditions, if you are a non professional, welcome you to the company to inquire. The company has professional technical staff to serve you!
            The material of main parts and standard
            Parts name material
            Valve body of WCB CF8 CF3M
            Spring F304 F316L
            In F304 F316L
            O type Chuan Ding Qing rubber
            Flange connection JB/T79-84
            The length of the structure of GB 12221-89
            Performance specification table
            The nominal pressure of 2.5 Mpa
            Strength test 3.8
            The maximum operating temperature of -29-+80 DEG C
            Closing velocity 3-5m-s
            The normal velocity is less than or equal to 1.5m/s
            "10 seconds off the time
            Suitable medium: liquefied petroleum gas, ammonia, oil, natural gas and other non corrosive medium.
            Main dimensions
            The maximum flow DN-JIS L: L / Max.FIoW/min
            Mm in
            251 "160160
            32 1-1/4 "200400
            40 1-1/2 "200400
            502 "240640
            803 "2831600
            1004 "3052500
            1506 "4033300
            2008 "5025900

            				 
				
			
            
		
            

            



            


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