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當前位置: 首頁 » 供應產品 » » 多級泵 »D360-40*7,D360-40*7,D360-40*7

D360-40*7,D360-40*7,D360-40*7

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產品價格: 513/人民幣 
最后更新: 2013-06-29 09:27:09
產品產地: 長沙
發貨地: 長沙 (發貨期:當天內發貨)
供應數量: 不限
有效期: 長期有效
最少起訂: 1
瀏覽次數: 124
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    產品詳細說明

     
    D360-40*7臥式多級離心泵,長沙東方工業泵廠優勢產品,十七年堅持生產臥式多級離心泵,傾力奉獻!

    流量:360立方米每小時(m3/h),揚程:280米(m),進出口徑均為200mm,電機功率:450KW-4極(6KV/10KV)。

    --------------------------多級泵效率計算公式及汽蝕余量、吸程概念
    什么叫多級泵的效率?公式如何?
    指多級泵的有效功率和軸功率之比。η=pe/p
    泵的功率通常指輸入功率,即原動機傳到泵軸上的功率,故又稱軸功率,用p表示。
    有效功率即:泵的揚程和質量流量及重力加速度的乘積。

    pe=ρg qh (w) 或pe=γqh/1000 (kw)     ρ:泵輸送液體的密度(kg/m3)
    γ:泵輸送液體的重度 γ=ρg (n/ m3)     g:重力加速度(m/s)
    質量流量 qm=ρq (t/h 或 kg/s)

    什么叫汽蝕余量?什么叫吸程?各自計量單位表示字母?
    泵在工作時液體在葉輪的進口處因一定真空壓力下會產生汽體,汽化的氣泡在液體質點的撞擊運動下,對葉輪等金屬表面產生剝蝕,從而破壞葉輪等金屬,此時真空壓力叫汽化壓力,汽蝕余量是指在泵吸入口處單位重量液體所具有的超過汽化壓力的富余能量。l單位用米標注,用(npsh)r。吸程即為必需汽蝕余量δh:即泵允許吸液體的真空度,亦即泵允許的安裝高度,單位用米。
    吸程=標準大氣壓(10.33米)-汽蝕余量-安全量(0.5米)

    D360-40*7多級離心泵性能參數:

    參數

    型號

    流量

    Q

    揚程

    H

    轉速

    n

    軸功率

    Pa

    配帶電動機

    效率

    η

    必須汽

    蝕余量

    葉輪名

    義直徑

    功率

    型號

    m3/h

    L/s

    m

    r/min

    kw

    kw

    %

    m

    mm

    D360-40×3

    300

    360

    440

    83.3

    100

    122.2

    126

    120

    106.5

    1480

    133.7

    147.2

    165.8

    185

    Y315M1-4

    (IP23)

    77

    80

    77

    4.65

    4.7

    5.4

    360

    D360-40×4

    300

    360

    440

    83.3

    100

    122.2

    168

    160

    142

    1480

    178.2

    196.2

    221.1

    250

    Y355M2-4

    77

    80

    77

    4.65

    4.7

    5.4

    360

    D360-40×5

    300

    360

    440

    83.3

    100

    122.2

    210

    200

    177.5

    1480

    222.8

    245.3

    276.3

    315

    Y355L2-4

    77

    80

    77

    4.65

    4.7

    5.4

    360

    D360-40×6

    300

    360

    440

    83.3

    100

    122.2

    252

    240

    213

    1480

    257.4

    294.1

    331.5

    400

    Y4002-4

    (IP23/6KV)

    77

    80

    77

    4.65

    4.7

    5.4

    360

    D360-40×7

    300

    360

    440

    83.3

    100

    122.2

    294

    280

    248.5

    1480

    311.9

    343.1

    386.7

    450

    Y4003-4

    (IP23/6KV)

    77

    80

    77

    4.65

    4.7

    5.4

    360

    D360-40×8

    300

    360

    440

    83.3

    100

    122.2

    336

    320

    284

    1480

    356.5

    392.2

    441.9

    500

    Y4004-4

    (IP23/6KV)

    77

    80

    77

    4.65

    4.7

    5.4

    360

    D360-40×9

    300

    360

    440

    83.3

    100

    122.2

    378

    360

    319.5

    1480

    401.1

    441.2

    497.2

    560

    Y4005-4

    (IP23/6KV)

    77

    80

    77

    4.65

    4.7

    5.4

    360

    D360-40×10

    300

    360

    440

    83.3

    100

    122.2

    420

    400

    355

    1480

    445.6

    490.2

    552.4

    630

    Y4501-4

    (IP23/6KV)

    77

    80

    77

    4.65

    4.7

    5.4

    360

    易損件:首級口環(首級密封環)、次級口環(次級密封環)、軸套、導葉套、平衡環、平衡盤、平衡套、填料、機械密封、葉輪。材質:耐磨鑄鐵,鑄鋼,球鐵,不銹鋼等

    保質期:正常使用情況下,易損件保質半年,整機保質一年,配件供應充足。

     

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