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D360-40*6,D360-40*6,D360-40*6

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產(chǎn)品價(jià)格: 514/人民幣 
最后更新: 2013-06-29 09:29:34
產(chǎn)品產(chǎn)地: 長(zhǎng)沙
發(fā)貨地: 長(zhǎng)沙 (發(fā)貨期:當(dāng)天內(nèi)發(fā)貨)
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有效期: 長(zhǎng)期有效
最少起訂: 1
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    產(chǎn)品詳細(xì)說(shuō)明

     
    D360-40*6臥式多級(jí)離心泵,長(zhǎng)沙東方工業(yè)泵廠優(yōu)勢(shì)產(chǎn)品,十七年堅(jiān)持生產(chǎn)臥式多級(jí)離心泵,傾力奉獻(xiàn)!

    流量:360立方米每小時(shí)(m3/h),揚(yáng)程:240米(m),進(jìn)出口徑均為200mm,電機(jī)功率:400KW-4極。

    --------------------------多級(jí)泵效率計(jì)算公式及汽蝕余量、吸程概念
    什么叫多級(jí)泵的效率?公式如何?
    指多級(jí)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(dòng)機(jī)傳到泵軸上的功率,故又稱(chēng)軸功率,用p表示。
    有效功率即:泵的揚(yáng)程和質(zhì)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(zhì)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(jì)量單位表示字母?
    泵在工作時(shí)液體在葉輪的進(jìn)口處因一定真空壓力下會(huì)產(chǎn)生汽體,汽化的氣泡在液體質(zhì)點(diǎn)的撞擊運(yùn)動(dòng)下,對(duì)葉輪等金屬表面產(chǎn)生剝蝕,從而破壞葉輪等金屬,此時(shí)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(guò)汽化壓力的富余能量。l單位用米標(biāo)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(biāo)準(zhǔn)大氣壓(10.33米)-汽蝕余量-安全量(0.5米)

    D360-40*6多級(jí)離心泵性能參數(shù):

    參數(shù)

    型號(hào)

    流量

    Q

    揚(yáng)程

    H

    轉(zhuǎn)速

    n

    軸功率

    Pa

    配帶電動(dòng)機(jī)

    效率

    η

    必須汽

    蝕余量

    葉輪名

    義直徑

    功率

    型號(hào)

    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(jí)口環(huán)(首級(jí)密封環(huán))、次級(jí)口環(huán)(次級(jí)密封環(huán))、軸套、導(dǎo)葉套、平衡環(huán)、平衡盤(pán)、平衡套、填料、機(jī)械密封、葉輪。材質(zhì):耐磨鑄鐵,鑄鋼,球鐵,不銹鋼等

    保質(zhì)期:正常使用情況下,易損件保質(zhì)半年,整機(jī)保質(zhì)一年,配件供應(yīng)充足。

     

    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