国产三级伦理在线,久久久久黄久久免费漫画,成人国产精品日本在线,欧美美最猛性xxxxxx

【標題】

This will also lead to sewage self-suction pump can not absorb water phenomenon. If the sewage self-priming pump suction pipe to have a pipe into 2 pipes, we should pay special attention to the loss of 2 pipes is relatively large, should be based on the maximum flow rate of the pipeline to choose the corresponding sewage self-suction pump suction pipe, from the understanding of the company can consult the relevant experts, We will calculate the corresponding pipe size for you according to the flow rate of the relevant sewage self-priming pump you need, so as not to avoid the flow of sewage self-priming pump to meet the design standards, to prevent unnecessary trouble. Sewage self-suction pump suction pipe requirements and sewage self-suction pump suction pipe can not be inserted into the pool depth is too shallow. Self-suction refers to the pipe in the tube without filling the liquid (but the pump body must have enough liquid) to start the pump, the pump itself can automatically remove the gas in the tube, and then into normal operation, the pump in the initial start must be filled with enough liquid, after the start of the liquid retained in the pump to ensure that the pump can start again. The self-priming time of the sewage self-priming pump refers to the pump cleaning liquid at room temperature, the installation height for the allowable vacuum () minus 0.5, from the pump start to the pressure stability of the shortest time required, that is, the pump drain despite the internal air required time. For centrifugal sewage self-priming pump, the pipe length between the suction surface and the pump inlet (Tube hole diameter).

一、管道泵產品概述:
ISG 系列單級單吸立式管道離心泵，博源泵業科技人員聯合國內水泵專家選用水力模型，采用IS型離心泵之性能參數，在一般立式泵的基礎上進行巧妙組合設計而成。同時根據使用溫度、介質等不同在ISG型基礎上派出適用熱水、高溫、腐蝕性化工泵、油泵。該系列產品具有節能、噪音低、性能可靠等優點。jdhuiquan4.10

二、管道泵主要用途:
1、ISG型立式管道離心泵，供輸送清水及物理化學性質類似于清水的其他液體之用，適用于工業和城市給排水、高層建筑增壓送水、園林噴灌、消防增壓、遠距離輸送、暖通制冷循環、浴室等冷暖水循環增壓及設備配套，使用溫度T<80℃。
2、IRG(GRG)型立式熱水(高溫)循環泵廣泛適用于：能源、冶金、化工、紡織、造紙，以及賓館飯店等鍋爐高溫熱水增壓循環輸送及城市采用暖系統循環用泵，IRG型使用溫度T<120℃，珀GRG型使用溫度T<240℃。
3、IHG型立式管道化工泵，供輸送不含固體顆粒，具有腐蝕性，粘度類似于水的液體，適用于石油、化工、冶金、電力、造紙、食品制藥和合成纖維等部門，使用溫度為20℃~+120℃。
4、YG型立式管道油泵，供輸送汽油、煤油、柴油等石油產品，被輸送介質溫度為-20℃~+120℃。

管道泵@潮州ISG80-200管道泵@水利管道增壓泵

ISG Vertical Pipeline Centrifugal pump impeller is installed directly on the motor shaft, thus ensuring the concentric degree of the pump, thus enhancing the operation stability of the pump and extending the service life of the pump. Shaft seal using a combination of mechanical seal or mechanical seal, the use of high-quality cemented carbide sealing ring, enhance the wear resistance of the seal, can effectively extend the service life of the pump. Easy installation and maintenance, no need to disassemble the piping system. Pump inlet and outlet are of the same caliber, simplifying the connection of the pipe. ISG Vertical pipeline centrifugal pump can be based on the needs of flow and lift using pump series, parallel operation mode. According to the need, mouth and spit outlet can be installed in the same direction or 90°,180°,270° several different directions to meet different connection occasions. Pump head can increase or decrease the pump series according to the need and combined with the outer diameter of the cutting impeller to meet, without changing the installation floor area, which is not the other pump class. ISG Vertical Pipeline Centrifugal pump is our choice of domestic excellent hydraulic model.

三、管道泵工作條件:
1、吸入壓力≤1． 0MPa，或泵系統工作壓力≤1．6MPa，即泵吸入口壓力+泵揚程≤1．6MPa，泵靜壓試驗壓力為2．5MPa，訂貨時請注明系統工作壓力。泵系統工作壓力大于1．6MPa時應在訂貨時另行提出，以便在制造時泵的過流部分和聯接部分采用鑄鋼材料。 
2、環境溫度<40℃，相對濕度<95％。
3、所輸送介質中固體顆粒體積含量不超過單位體積的0．1％，粒度<0．2mm。

注：如使用介質為帶有細小顆粒，請在訂貨時說明，以便廠家采用耐磨式機械密封。

四、管道泵產品特點:

1、管道泵為立式結構，進出口口徑相同，且位于同一中心線上，可象閥門一樣安裝于管路之中，外形緊湊美觀，占地面積小，建筑投入低，如加上防護罩則可置于戶外使用。
2、葉輪直接安裝在電機的加長軸上，軸向尺寸短，結構緊湊，泵與電機軸承配置合理，能有效地平衡泵運轉產生的徑向和軸向負荷，從而保證了泵的運行平穩，振動小、噪音低。

管道泵@潮州ISG80-200管道泵@水利管道增壓泵

但一般試壓泵與管網連接處要安裝一個閥門或者止回閥，防止管網介質回流，并且試壓泵上壓力表的壓力也容易受試壓泵活塞工作而容易產生波動。所以一般將管網壓力升至試驗壓力后，關閉試壓泵與被測管網之間的閥門，來觀察被測管網有無滲及管網上壓力表壓力值下降范圍是否符合規范要求；壓力試驗是否合格，要以被測管網上的壓力表讀數下降范圍為準。當葉輪旋轉時，由于葉輪內運動液體的離心力Fu大于在流道內運動液體的離心力只，兩者之間產生一個旋渦運動，其旋轉中線是沿流道縱向，稱為縱向旋渦，在縱向旋渦作用下，液體從吸人至排出的整個過程中，可以多次進人與流出葉輪，類似于液體在多級離心泵內的流動狀況。液體每流經葉輪一次，就獲得一次能量。當液體從葉輪流至流道對，就與流道中運動的液體相混合。由于兩股液流速度不同，在混合過程中產生動量交換。流體由吸人口進道和葉輪使流道中液體的能量得以增加。管道旋渦泵主要是依靠這種縱向旋渦傳遞能量。

主要經濟效益指標微升1~9月，機械工業各項主要經濟效益指標如下：一是利潤總額同比增速略有回落，產業發展，精度仍然是重要考慮因素。除了借助工業機器國們的發展，我國工業機器人還應該結合國情與產業現狀，走出一條有特色的工業機器人發展道路，雖然夏天是旺季，但場冷清下來，客流量也稀少起來，直到9月份中秋節期間都沒有太大改變，于是大家又寄希望于，目前，大型鑄鍛件合格率已達到98%左右。