The advantage of stopcock used as pitch valve;2. The results showed that the failure of stopcock was corrosive wear and abrasive .

采用金相顯微鏡和掃描電鏡對(duì)在堿性介質(zhì)中發(fā)生泄漏的不銹鋼旋塞閥進(jìn)行了宏微觀形貌和金相組織分析亚洲欧美一区二区视频；并采用光電直讀光譜儀一级黄色片日日爱、EDS、紅外碳硫分析儀和NHO分析儀對(duì)旋塞閥材質(zhì)和表面沉積物進(jìn)行了系統(tǒng)的表征分析91久久久久久一区二区。

B. In order to further reduce the stopcock of the hoisting force to resist, commonly used methods to reduce cocks in diameter, so plug valves usually rectangular flow channel, this method in reducing the torque plug valves headstock the same time, increases the stopcock of the fluid resistance C.

B。 為了進(jìn)一步減少旋塞閥的啟閉力拒黄片一区二区三区，通常采用減少旋塞直徑的方法亚洲欧美视频一区，故旋塞閥通常采用矩形流道，此方法在減少旋塞閥啟閉力矩的同時(shí)日韩一级啪啪，增大了旋塞閥的流體阻力 C男人免费天堂。

Analyse geometry warp between faucet body of stopcock and its plug becarse processing method and technics was analyzed;several methods of eliminating cone surface processing warp were Introduced and the best sealing effect was achieved.

分析了旋塞閥旋塞體與塞子錐面因加工方法與工藝不當(dāng)而產(chǎn)生的幾何偏差，給出了消除錐面加工產(chǎn)生偏差的幾種方法亚洲黄色在线观看网站。

This valve's spring support structure, has overcome the traditional stopcock leak-proof energy balance, and easy to rust away the flaw, the alone biased seal design, compared the traditional stopcock to reduce the operation pitch of strand greatly, and maximum limit reduced the packing surface attrition, lengthened valve's service life.

該閥的彈性座結(jié)構(gòu)，克服了傳統(tǒng)旋塞閥密封性能差且易銹蝕的缺陷免费黄色网址直接进入，獨(dú)具的偏心密封設(shè)計(jì)毛片在线观看免费网站，較傳統(tǒng)旋塞閥大大降低了操作扭距，且最大限度地減少了密封面的磨損欧美精品中文字幕在线视频，延長(zhǎng)了閥門的使用壽命。

If the alarm check cocks closed, the alarm is still sound, it should check whether the verification cock tightly closed, in the alarm valve annular tank whether the accumulation of obstacles, alarm valve under the rubber flap is aging or wrinkles.

若警鈴校驗(yàn)旋塞關(guān)閉后国产AAA免费黄色视频，警鈴仍發(fā)聲好吊操在线，則應(yīng)檢查校驗(yàn)旋塞是否關(guān)緊免费人成a、在報(bào)警閥的環(huán)形水槽上是否積聚了障礙物美女被cao出水视频在线观看、報(bào)警閥瓣下的橡膠是否老化或皺褶。

From the high-pressure oil-nozzle high-pressure injection of seal oil, a high-pressure seal around the cock ring, that is, cone valve and cocks, a layer of oil film between the sealing surface, both can be closed lubrication, open and close easily.

從高壓油咀注入的高壓密封油欧美一级操，在旋塞周圍形成高壓密封環(huán)，即閥體和旋塞錐體密封面之間有一層油膜色播影院性播影院午夜私人影院，既能封閉又能潤(rùn)滑，啟閉容易熟女乱伦91视频一区。

The host produces: The wedge type gate valve, the bright pole coal gas gate valve, the gate valve, the electrodynamic balance-like double damper plate gate valve, the box thread gate valve, the bright pole underground gate valve, the electrically operated dark pole wedge type gate valve, seals the gate valve, the knife gate valve, the cut-off valve, the box thread cut-off valve (Japanese-style, Soviet type), to turn on lathe softly opens the type check valve, to risefall the check valve, the noise elimination check valve, to clamp the small dish shape check valve, the vertical check valve, to stand lies the dual purpose check valve, the small dish shape by-pass valve, the by-pass valve, the stopcock, the Three Contacts stopcock, the plunger valve, the ball valve, the flange reed valve.

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Move the high side hose to test cock No. 4, low side hose to test cock No. 3 and open both test cock No.

Step 7 將高端軟管移到測(cè)試旋塞4號(hào)上91精品视频在线观看免费视频，低端軟管移到測(cè)試旋塞3號(hào)上自拍超碰，然后開啟測(cè)試旋塞3號(hào)和4號(hào)国产美女一级视频。

Move the high side hose to test cock No. 4, low side hose to test cock No. 3 and open both test cock No.

Step 7 將高端軟管轉(zhuǎn)移到測(cè)試旋塞4號(hào)，低端軟管轉(zhuǎn)移到測(cè)試旋塞3號(hào)黄色视频啪啪一区，開啟兩個(gè)測(cè)試旋塞3號(hào)和4號(hào)。

Move the high side hose to test cock No. 4, low side hose to test cock No. 3 and open both test cock No.

Step 7 將高端軟管移到測(cè)試旋塞4號(hào)www.国产精品久久久久久，低端軟管移到測(cè)試旋塞3號(hào)，開啟測(cè)試旋塞3號(hào)和4號(hào)日韩孕妇自拍视频直播在线观看网站。

plug valve：旋塞閥

旋塞閥(Plug Valve)是關(guān)閉件或柱塞形的旋轉(zhuǎn)閥,通過旋轉(zhuǎn)90度使閥塞上的通道口與閥體上的通道口相同或分開,實(shí)現(xiàn)開啟或關(guān)閉的一種閥門. 旋塞閥的閥塞的形狀可成圓柱形或圓錐形. 在圓柱形閥塞中,通道一般成矩形;而在錐形閥塞中,通道成梯形.

priming cock：注水旋塞

pet cock 小活栓;小旋塞 | priming cock 注水旋塞 | vent cock 排氣旋塞

ball cock：球旋塞;浮動(dòng)旋塞

ball coal 球狀煤 | ball cock 球旋塞;浮動(dòng)旋塞 | ball collar thrust bearing 滾珠環(huán)止推軸承

escape cock：放水旋塞

cylinder cock 氣缸旋塞 | escape cock 放水旋塞 | feed cock 給水龍頭,給水旋塞

ballcock：球旋塞;浮動(dòng)旋塞

ballcoal 球狀煤 | ballcock 球旋塞;浮動(dòng)旋塞 | ballcondenser 球形冷凝器

pet cock：小活栓;小旋塞

injection cock 注水旋塞 | pet cock 小活栓;小旋塞 | priming cock 注水旋塞

cock; plug cock：塞嘴, 旋塞, 油塞

旁通閥 by-pass valve | 塞嘴, 旋塞, 油塞cock; plug cock | 管件 pipe fitting

try cock：試驗(yàn)旋塞試水旋塞

try cock 試驗(yàn)旋塞 | try cock 試驗(yàn)旋塞試水旋塞 | try engine 試機(jī)器

try cock：試水旋塞,試驗(yàn)旋塞

構(gòu)架梁 trussed beam | 試水旋塞,試驗(yàn)旋塞 try cock | 中級(jí)炮 try plane

sea cock：海底旋塞,海底門

95 鹽份計(jì)旋塞 salinometer cock | 97 海底旋塞,海底門 sea cock | 98 停止旋塞 stop cock