閘閥的優(yōu)點(diǎn)

Advantages of Gate Valves

　　1、閘閥的流動(dòng)阻力小。閥體內(nèi)部介質(zhì)通道是直通的，介質(zhì)成直線流動(dòng)，流動(dòng)阻力小。

1. The flow resistance of gate valves is small. The medium channel inside the valve body is straight, and the medium flows in a straight line with low flow resistance.

　　2、閘閥啟閉時(shí)較省力。是與截止閥相比而言，因?yàn)闊o(wú)論是開(kāi)或閉，閘板運(yùn)動(dòng)方向均與介質(zhì)流動(dòng)方向相垂直。

2. The gate valve is more effortless to open and close. Compared to globe valves, the direction of gate movement is perpendicular to the direction of medium flow, whether it is open or closed.

　　3、高度大，啟閉時(shí)間長(zhǎng)。閘板的啟閉行程較大，降是通過(guò)螺桿進(jìn)行的。

3. High height, long opening and closing time. The opening and closing stroke of the gate is relatively large, and the lowering is carried out through the screw.

　　4、水錘現(xiàn)象不易產(chǎn)生。原因是關(guān)閉時(shí)間長(zhǎng)。

4. The phenomenon of water hammer is not easy to occur. The reason is that the shutdown time is long.

　　5、介質(zhì)可向兩側(cè)任意方向流動(dòng)，易于安裝。閘閥通道兩側(cè)是對(duì)稱的。

5. The medium can flow in any direction on both sides, making it easy to install. The two sides of the gate valve channel are symmetrical.

　　6、結(jié)構(gòu)長(zhǎng)度(系殼體兩連接端面之間的距離)較小。

6. The structural length (the distance between the two connecting end faces of the shell) is relatively small.

　　7、形體簡(jiǎn)單，結(jié)構(gòu)長(zhǎng)度短，制造工藝性好，適用范圍廣。

7. Simple shape, short structural length, good manufacturing process, and wide applicability.

　　8、結(jié)構(gòu)緊湊，閥門(mén)剛性好，通道流暢，流阻數(shù)小，密封面采用不銹鋼和硬質(zhì)合金，使用壽命長(zhǎng)，采用PTFE填料.密封可靠.操作輕便靈活.

8. Compact structure, good valve rigidity, smooth channel, low flow resistance, sealing surface made of stainless steel and hard alloy, long service life, using PTFE packing. Reliable sealing, easy and flexible operation

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