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        <div id="content-top1">Page 47 - เนเธเธงเธเธเธดเธเธฑเธ•เธดเธเธฒเธฃเธ•เธฑเธ”เนเธขเธเธเธฅเธฑเธเธเธฒเธเธ”เนเธงเธขเธฃเธฐเธเธเธฅเนเธญเธเนเธฅเธฐเธฃเธฐเธเธเธเนเธฒเธขเน€เธ•เธทเธญเธ</div>
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    <pre style="white-space:pre-line"><code>เนเธเธงเธเธเธเธด เธ•เธฑ เธเธด เธฒเธฃเธ•เธ”เธฑ เนเธขเธเธเธฅเธเธฑ เธเธฒเธเธ”เนเธงเธขเธฃเธฐเธเธเธฅเนเธญเธเนเธฅเธฐเธฃเธฐเธเธเธเธฒเน เธขเน€เธ•เธญเธท เธ          36

เธ•เธฒเธฃเธฒเธ เธ - 1 เธฃเธนเธเธ เธฒเธเธญเธธเธเธเธฃเธ“เธ•เน เธ”เธฑ เนเธขเธเธเธฅเธฑเธเธเธฒเธ (เธ•เธญเน )                     Globe Valve
                                                                    Ball Valve
เธ - 1.2 เธญเธเธธ เธเธฃเธ“เธ•เน เธ”เธฑ เนเธขเธเธเธฅเธฑเธเธเธฒเธเนเธเธเธฃเธฐเธเธงเธเธเธฒเธฃ

เธฃเธเธน เธ—เธตเน                                                        เธฃเธนเธ

เธฃเธนเธเธ—เธตเน เธ-1-7             Gate Valve

เนเธชเธ”เธเธ•เธฑเธงเธญเธขเธฒเน เธเธญเธเธธ เธเธฃเธ“เน
เธ•เธฑเธ”เนเธขเธเธเธฅเธฑเธเธเธฒเธเนเธ
เธเธฃเธฐเธเธงเธเธเธฒเธฃ : เธงเธฒเธฅเนเธงเธ•เธ”เธฑ
เนเธขเธ (Isolating
Device)

                         Butterfly Valve

เธฃเธนเธเธ—เนเธต เธ-1-8

เธงเธเธด เธตเธเธฒเธฃเธเธงเธเธเธกเธธ เธเธฒเธฃเธ•เธฑเธ”
เนเธขเธเธเธฅเธฑเธเธเธฒเธเนเธ
เธเธฃเธฐเธเธงเธเธเธฒเธฃเธเธญเธเธงเธฒเธฅเธงเน
เธ•เธฑเธ”เนเธขเธเนเธเธเธ•เธฒเน เธ เน

เธฃเธนเธเธ—เธตเน เธ-1-9

เธงเธเธด เธเธต เธฒเธฃเธเธงเธเธเธธเธกเธเธฒเธฃเธ•เธฑเธ”
เนเธขเธเธเธฅเธฑเธเธเธฒเธเธ—เธฒเธ
เธเธฒเธขเธ เธฒเธเธ”เธงเน เธขเธงเธดเธเธตเธเธฒเธฃเธฅเธญเน เธ
เธเธธเธเนเธ

เธชเธ–เธฒเธเธฑเธเธชเธเน เน€เธชเธฃเธกเธด เธเธงเธฒเธกเธเธฅเธญเธ”เธ เธขเธฑ เธญเธฒเธเธงเธต เธญเธเธฒเธกเธฑเธข เนเธฅเธฐเธชเธ เธฒเธเนเธงเธ”เธฅเนเธญเธกเนเธเธเธฒเธฃเธ—เธณเธเธฒเธ (เธญเธเธเธเน เธฒเธฃเธกเธซเธฒเธเธ)</code></pre>
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