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波紋管截止閥 LK800

波紋管截止閥 LK800

應(yīng)用:適用于有毒有害高危介質(zhì)工況,如干氯氣,氨氣等。

型號: LK811,LK812,LK813

口徑: DN15-DN300

壓力: PN16-PN100

材質(zhì): LCB, WCB, CF8,CF8M, CF3M

設(shè)計規(guī)范:

設(shè)計制造:GB/T 12235, DIN EN 13709:2003

結(jié)構(gòu)長度:GB/T 12221, DIN EN 558-1

連接尺寸:HG/T 20592, DIN EN 1092-1

壓力-溫度: GB/T 9131 ASME B16.34 HG 20592

試驗-檢驗: GB/T13927 GB/T 9092 API 598

氦質(zhì)譜檢漏:API 602 MSS SP-117


應(yīng)用:適用于有毒有害高危介質(zhì)工況,如干氯氣,氨氣等。

設(shè)計特點

1:零泄漏密封:

主密封:波紋管組件密封,   采用內(nèi)藏式免沖刷設(shè)計,通過液壓成形,多層結(jié)構(gòu),可保證最大程度的壽命延長,在壓力2.5MPa伸縮(即開關(guān))可達10000次。

輔助密封:非金屬填料,使用帶緩蝕劑的編織填料,更增加了可靠性、安全性以及耐高溫性,提供一個無需維護的條件。

2 內(nèi)限位裝置,增加閥桿的上限位,保護閥門的使用安全,有效的保護波紋管的彈性變量,大大提高使用壽命。

3:密封面由硬質(zhì)合金堆焊而成,隔斷性優(yōu)異

4:波紋管選用特材哈氏合金HC.276

 

Application: Suitable for toxic and hazardous media conditions,

such as dry chlorine, ammonia, etc.
Design features

1: Zero leakage seal.
Main seal: Bellows assembly seal, with built-in flush-free design,
by hydraulic forming, multi-layer structure, can ensure maximum life extension, expansion and contraction (open/close) up to 10,000 times

at a pressure of 2.5 MPa.
Auxiliary seal: non-metallic packing, using braided packing with corrosion 
inhibitor, for added reliability, safety and resistance to high temperatures,

providing a maintenance-free condition.
2: Internal limiting device,Increase the upper limit of the valve stem to
protect the safety of the valve in use, effectively protecting the elastic variables

of the bellows and greatly increasing the service life.
3: Sealing surface made of carbide overlay welding, excellent isolation.
4: The bellows is made of special material Hastelloy HC.276.

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