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        LJLS Insulating Jacket Small Caliber Single-seat Control Va


        Overview
         LJLS insulating jacket small caliber  single-seat control valves are derivatives of LJLS small-caliber single seat control valves. The valve applies to the environment in need of heat preservation. When the crystallization temperature of media is lower than environment temperature and the condition results in increased viscosity or fluid solidification,heating jacket device is adopted between the body and bonnet to ensure the technology process. The leakage of the control valve meets the standard ANSI B16.104.The valve is equipped with the multi-spring diaphragm actuator for compact structure and large output force. This product conforms to  GB / T4213-92
         
        Actuator:
        Type: ZHA multi-spring film actuator
        Diaphragm material: Ethylene-propylene rubber clip nylon cloth,Nitrile rubber clip nylon cloth.
        Spring range:20~100,80~240Kpa
        Air Supply pressure: 140~400Kpa
        Air source connection: Rc1 / 4 "
        Temperature of operation : -30~+70℃

        Valve body
        Type: straight-through single-seat casting ball valve
        Nominal diameter:20,25mm
        Nominal pressure:ANSI150,300
        JIS 10、16、20K
        PN1.6、4. 0Mpa
        Connection type:flange RF
        Flange standard:  JIS B2201-1984、ANSI B16.5-1981、GB/T9112~9124-2000
        Material: Cast steel (ZG230-450), cast stainless steel (ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti, ZG316L), titanium, etc.

         
        Performance
        Leakage:Less than 0.01% of the rated capacity of the valve, in accordance with ANSI B16.104-1976IV
        Hysteresis: with positioner: less than 1% of the full travel
        Without positioner: less than 3% of the full travel
        Basic error: with positioner: less than ± 1% of the full travel
        Without positioner: less than ± 5% of the full travel
        Note: Standard V-type PTFE stuffing is adopted
        Adjustable range: 50:1.

        Research and Development Center in China Shanghai Lapar Control Valve Co.,Ltd
        Manufacturing Center in China (LAPAR Control Valve (Jiangsu) CO.,Ltd (WFOE)
        Tel:021-64423400  54823610  64966087  64961744  Fax: 021-64961482
        Shanghai ICP Licensing No. 08010624

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