Pipeline Germany KSB BOA-H bellows valve for temperature <350 ℃, pressure ≤2.5mpa, petroleum, chemical, fertilizer, power industry and other working conditions, or turn off the line media. 德國(guó)KSB BOA-H波紋管截止閥適用于溫度＜350℃，壓力≤2.5mpa，的石油、化工、化肥、電力行業(yè)等各種工況的管路上，切斷或接通管路介質(zhì)。
Design specifications:
DN Minimum: 15mm
DN maximum: 350mm
PN Max: 40
Body material: cast iron / steel / forged / stainless steel / ductile iron
Body material: (EN standard) 1.4408; GP240GH + N; JL 1040; JS1025; P250GH
The lowest temperature: -60C
Highest temperature: 450C
Valve / valve plug material: metal - metal seat
設(shè)計(jì)規(guī)范：
DN最?。?5mm
DN最大：350mm
PN 最大：40
閥體材：鑄鐵 / 碳鋼 / 鍛鋼 / 不銹鋼 / 球墨鑄鐵
閥體材質(zhì)：（EN標(biāo)準(zhǔn)）1.4408; GP240GH+N; JL 1040;JS1025; P250GH
最低溫度：-60C
最高溫度：450C
閥瓣/閥栓材質(zhì)：金屬-金屬閥座
主要優(yōu)點(diǎn)：
1、波紋管截止閥，其關(guān)鍵部件金屬波紋管，下端與閥桿組件采用自動(dòng)滾焊焊接，上端與連接板自動(dòng)滾焊接，在流體介質(zhì)和大氣之間形成一個(gè)金屬屏障，確保閥桿零泄漏；
2、閥瓣采用錐形設(shè)計(jì)，密封面與介質(zhì)成流線形，密封性能更好，使用壽命更長(zhǎng)；
3、雙重的密封設(shè)計(jì)（波紋管+填料）若波紋管失效，閥桿填料也會(huì)避免泄漏，并符合國(guó)際密封標(biāo)準(zhǔn)；
4、閥蓋上自帶有加脂接頭，可直接對(duì)閥桿、螺母和軸套進(jìn)行潤(rùn)滑，不像傳統(tǒng)的只對(duì)螺紋加潤(rùn)滑油；
5、人體工程學(xué)設(shè)計(jì)手輪，使用壽命更長(zhǎng)，操作輕松便捷，更安全可靠；
The main advantages:
1, bellows globe valves, the key components of metal bellows, the lower end of the stem assembly automatic roll welding, automatic roll welding the upper end of the connecting plate between the fluid medium and atmosphere to form a metal barrier, ensuring zero stem leakage ;
2, the valve design tapered sealing surface and media into a streamlined, better sealing performance, longer life;
3, dual seal design (bellows + filler) if bellows failure, stem packing will avoid leakage and comply with international standards sealed;
4, valve cover comes with grease fittings, can be directly stem, nut and sleeve for lubrication, unlike traditional only lubricate the thread;
5, ergonomic hand wheel, longer life, easy operation and convenient, more secure and reliable;
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