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VALVTECHNOLOGIES閥門
ValvTechnologies Inc.公司是金屬閥座閥門的主要制造商,在惡劣條件下閥門的應用方面具有豐富的經驗,美國Valvtechnologies 閥門公司以生產“惡劣條件下”的零泄漏關斷閥門享譽。公司生產的高品質閥門廣泛應用在極其惡劣的工況如:高溫(可達1800oF),高壓(可達20,000PSI),高顆粒(如礦山工業,石油化工的催化劑及PTO工藝等顆粒輸送場合),電力行業中蒸汽高壓疏水,超低溫環境中。
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- Integral Metal Seat. With our patented HVOF RiTech™ coating process, the integral seat in ValvTechnologies’ rotary operating valves are resistant from the attack of abrasive magnetite or ferrous oxides in the steam flow.
- Body Seal Ring. ValvTechnologies employs a field proven seal ring technology to ensure sealing under all operating conditions, up to 1400o F. The body seal ring is loaded at a pressure higher than 20,000 psi. In addition, valves sized 3 inch and above contain a secondary Grafoil seal to further guarantee reliability
- Patented Coating Process. The sealing surfaces are overlaid with Tungsten or Chromium Carbide using our exclusive HVOF RiTech™ process. These surfaces have a hardness of 68 - 72 Rc to allow long periods of operation in the most severe conditions.
- Live Loaded Gland Area. The V1 Series gland packing design features a four stud, live-loaded assembly designed for heavy industrial applications. The packing material is high purity Grafoil® surrounded by Carbon Fiber / Inconel anti-extrusion rings. The six Bellville springs (per stud) provide constant load pressure through extreme thermal shocks and prevent wear leaks in high cycle service
- Blow-out Proof Stem. ValvTechnologies design utilizes a one piece, hard-faced, blow-out proof stem that is inserted through the inside of the body cavity eliminating the possibility of blow-out through the gland area
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主要型號:V系列、R系列、E系列 V1-1: 1/4″-4″, 900-4500#、V1-2: 1/2″-36″, 150-600#、V1-3: 1/2″-2″, 150-600#、V1-4: 4″-36″, 900-4500#
舜極銷售美國廠家、型號、資料