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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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