閥門結(jié)構(gòu)采用偏心契緊原理,通過傳動機構(gòu)達到閘緊、調(diào)節(jié)、關(guān)閉的目的,密封圈與球休都是金屬面環(huán)帶硬面接觸密封,雙偏心結(jié)構(gòu)閥門在開啟時球體藏于閥腔內(nèi),流通載面大,且閥門不被沖刷,無流阻。關(guān)閉時閥芯不被沖刷,關(guān)閉時閥芯球面沿閥座漸進,具有剪切功能,有效地切除結(jié)垢障礙, 實現(xiàn)可靠密封。它對容易結(jié)垢的介質(zhì)輸送特別有效。
產(chǎn)品主要用途及特點
Product uses and characteristics
① 適用于紙漿、氧化鋁、污水處理、采暖供熱要求嚴緊的場合。
Suitable for pulp, alumina, sewage treatment, heating demand stringent occasions.
② 適用于重油、原油等各種油品、耐腐蝕化工行業(yè)、混流介質(zhì)。
Suitable for heavy oil, crude oil and other oil products, corrosion-resistant chemical industry, mixed medium.
③ 適用于液化氣、煤氣、天然氣的輸送控制,密封圈采用堆焊閥含鉻合金,密封嚴緊、抗腐蝕。
Conveying control applies to liquefied petroleum gas, natural gas, the sealing ring adopts a chromium alloy surfacing valve, tight seal, corrosion resistance.
④ 球體采用組合球式雙金屬,剛度高并非常耐磨,閥座采用整體耐磨鋼或全堆焊,適用于液態(tài)、固態(tài)混流或輸送管道的控制。
Sphere using combined ball type double metal, high stiffness and good wear resistance, the valveseat adopts the integral abrasion resistant steel or full welding, which is applicable to the control of liquid, solid or mixed transportation pipeline。