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鍛鋼設(shè)計(jì)Forgedsteeldesign閥體和球芯全部采用鍛鋼材料，保證閥門(mén)在各種工作壓力等級(jí)壓力下都具有很好的強(qiáng)度和金屬致密性
鍛鋼設(shè)計(jì) Forged steel design 閥體和球芯全部采用鍛鋼材料，保證閥門(mén)在各種工作壓力等級(jí)壓力下都具有很好的強(qiáng)度和金屬致密性。也可按用戶要求采用鑄件。 The body and core of the body are made of wrought steel material to ensure that the valve has good strength and metal compaction under the pressure of all kinds of work pressure. Castings can also be used as per user requirements. 雙重阻塞和排泄 Double obstruction and excretion 當(dāng)閥門(mén)處于關(guān)閉位置時(shí)，進(jìn)出口側(cè)的閥座將閥體中腔和管線壓力阻斷，閥體中腔的滯留物可以通過(guò)泄放閥排泄。排泄裝置具有以下機(jī)能： A. 通過(guò)排泄裝置可以檢查閥座是否發(fā)生泄漏，以防止不可見(jiàn)的內(nèi)漏。 B. 管線有工作壓力時(shí)，閥門(mén)處于全開(kāi)或全關(guān)狀態(tài)，可更換閥桿處的填料。 C. 閥門(mén)全關(guān)時(shí)，打開(kāi)泄放閥，可以排泄體腔的積壓和沉積物。 D. 閥桿密封，采用PTFE自緊式填料和O型圈密封，可在任何時(shí)候更換填料。防吹出閥桿設(shè)計(jì)。閥桿由于只受扭轉(zhuǎn)剪應(yīng)力而不受彎曲應(yīng)力，閥門(mén)啟團(tuán)更省力，使用更安全。 E. 緊急輔助密封閥座，緊急密封系統(tǒng)可以在軟密封受損，或出現(xiàn)緊急情況不能密封時(shí)通過(guò)向緊急密封系統(tǒng)注射相應(yīng)的密封劑即可進(jìn)行緊急密封。 When the valve is in a closed position, the seat of the inlet and outlet side is blocked by the body cavity and line pressure, and the retention of the body cavity can be discharged through the discharge valve. The excretory device has the following functions: A. The discharge device can be used to check for leakage of the seat to prevent invisible leakage. B. When the line is under pressure, the valve is in full or closed condition, and the packing of the stem can be replaced. C. When the valve is fully closed, open the drain valve, which can discharge the backlogs and sediments of the body cavity. D. stem seal, PTFE self-tightening packing and o-ring seal, can replace the packing at any time. Blow out stem design. The valve stem is not subjected to bending stress because it is only torsional shear stress, and the valve is more efficient and safer to use. E. emergency auxiliary sealing seat, sealing system of emergency can be in soft seal is damaged, or there's an emergency can't seal by injection system corresponding to the emergency seal sealant emergency seal can be achieved.
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