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    鷺宮壓力調整閥
    發布者:shzicong  發布時間:2013-08-27 16:00:26  訪問次數:

    鷺宮 
    概要: 
    SPR型: 適用于防止冷凍裝置過載運行,備有直動型. 
    DPR型: 用于冷藏及空調等壓縮機吸入,排出的旁通通路. 
    檢測壓縮機排出壓力的超負荷,通過旁通通路將其釋放至低壓側,以便使壓縮機不超負荷. 減少高壓開關的開關頻度以維護壓縮機的運行. 
    在春季和秋季的熱泵系統的暖氣周期中,或當過濾器因異物而阻塞時,該調整閥更能顯示其優點.   
    通用規格: 
       項目                          直動型     
    最高使用壓力                2.5MPa 
    氣密試驗壓力                3MPa
    流體溫度                      ~100℃
    壓力調節                      ∩增加    1604~05: 約0.08MPa/轉  
                                      1905~07: 約0.05MPa/轉    
                                      3011~13: 約0.03MPa/轉 
    手動打開機構                -                     
    技術參數:(單位:MPa) 
    SPR型
                                               冷噸 CT38℃ △P0.049MPa  ET-10℃              接頭               最高工作壓力    重量 kg
    型號           口徑 mm             閥開40%   閥開70%    閥開70%              銅管       形狀                                         
                                                R22          R134a       R404A
    SPR-1604B     15                    1.25           0.9            1.1                   1/2"      喇叭管           2.45             0.3 
    SPR-1605B     15                    1.25           0.9            1.1                   5/8"      喇叭管           2.45             0.3 
    SPR-1905B     20                    3.0             1.8            2.5                   5/8"      喇叭管           2.45             0.5 
    SPR-1906B     20                    3.0             1.8            2.5                   3/4"      喇叭管           2.45             0.5
    SPR-1604D     15                    1.4             0.9            1.1                   1/2"      銅管接頭        2.45             0.2
    SPR-1605D     15                    1.4             0.9            1.1                   5/8"      銅管接頭        2.45             0.2
    SPR-1905D     20                    3.0             1.8            2.5                   5/8"      銅管接頭        2.45             0.4
    SPR-1906D     20                    3.0             1.8            2.5                   3/4"      銅管接頭        2.45             0.4
    SPR-1907D     20                    3.0             1.8            2.5                   7/8"      銅管接頭        2.45             0.4
    SPR-3011D     29                    5.0             2.7            4.5                   1 1/8"   銅管接頭        2.45             1.3
    SPR-3013D     29                    5.0             2.7            4.5                   1 3/8"   銅管接頭        2.45             1.3
    DPR型
    型號             口徑 mm         工廠調整范圍 MPa       接頭 mm              最高工作壓力            重量Kg
                                                                        銅管      形狀                                              
    DPR-343D     3.4                   1.66-2.45            7.94    銅管接頭              2.84                    0.11
    注: 液體為氟冷媒
    SPR閥的安裝 
        安裝于壓縮機與蒸發器之間,使出口側的壓力(吸入壓力)保持在設定值以下,在負荷急劇增加時,可用于防止因吸入壓力上升而引起馬達過載.也可象低溫裝置那樣,在壓縮機吸入壓力低時,將液控閥的入口與高壓側的吐出管連接,由放出氣體而使裝置工作(液控動作型)
    型號                           L   mm                        H   mm                        h   mm
    SPR-1604B                     45                              82                               91
    SPR-1605B                     53                              82                               94
    SPR-1905B                     56                              109                             100
    SPR-1906B                     60                              109                             105
    SPR-1604D                     71                              82                               78
    SPR-1605D                     71                              82                               78
    SPR-1905D                     100                            109                             120
    SPR-1906D                     100                            109                             120
    SPR-1907D                     100                            109                             120 
    SPR-3011D                     140                            147                             170
    SPR-3013D                     140                            147                             170             

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