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A49Y-PW5414V DN100主安全閥
- 公司名稱：
- 更新時間：
- 所 在 地：
- 生產地址：
- 瀏覽次數：
- 上海奇眾閥門制造有限公司
- 2017-10-19 05:18:01
- 上海市
- 上海市嘉定區萬達廣場商務中心808號
- 311
【簡單介紹】
【詳細說明】
A49Y-PW5414V DN100主安全閥 
Description:
| 主要零件材料 Main part material | ||
| 主安全閥 Main safety valve | ||
| 件號 Part number | 零件名稱 Name of parts | 材料 Material |
| 1 | 下閥體 Nether Body | 鉻鉬釩鋼CrMoV steel |
| 2 | 閥 瓣Disc | 鉻鉬釩鋼CrMoV steel |
| 3 | 閥 座Seat | 鉻鉬釩鋼CrMoV steel |
| 4 | Upper Body | 鉻鉬釩鋼CrMoV steel |
| 5 | 閥 桿Stem | 鉻鉬釩鋼CrMoV steel |
| 6 | 活 塞Piston | 不銹鋼Stainless steel |
| 7 | 閥 蓋Bonnet | 鉻鉬釩鋼CrMoV steel |
| 重量（kg） Weight | 403 | |
The impulse safety device is the main safety valve, with auxil-iary valve support contained. This device has characteristics as large discharge ability, convenient adjustment, dual mechanical and electric protection and few workload in installation and maint-enance.
This device is used for inlet and outlet pipe of reheater to avoid mediun pressure exceeding the allowable value to ensure the reheater shall run safely.
1.The impulse safety device is as shown in the figure, mainly consisted of impulse safety valve, the main safety valve, stop valve and throttle valve. Impulse safety valve is a kind of spring safety valve. It is mainly consisted of body , bonnet, disc and other parts.The impulse safety valve can be adjusted by using the spring to regulate the pressure.
The impulse safety valve contains an electromagnet to open and another to close the valve. The actions of the mechanism and the electric appliance are separate and will not affect each other .
2.The main safety valve is as shown in the figure. With astructure of single exhaust and both ends of flange connection, it is mainly consisted of body, bonnet, piston chamber, disc, stem and other parts.
3.Both the sealed surfaces of disc and seat of the impulse safety valve are made of hard alloy of cobalt by overlaying welding Both the seat and the disc of the main safety valve are made of hard alloy of cobalt by plasma spray welding.
4.The upper part of the impulse safety valve contains an elec-tromagnet to open and another to close off. At ordinary times, the close-off electromagnet may not be electrified, but when the sealed surface of the valve leaks or when the mechanical addition adjusting reseating pressure is excessively low, it can be electrified by closing electromagnet to make valve sealed or help the valve clack return and procure a higher seat reseating pressure.
5.The impulse safety valve only leaves the factory after it has passed the seal and sensitivity tests, proved to be qualified.
When the medium pressure inside the reheater exceeding the allowable value, the impulse safety valve opens firstly; the steam enters into the piston chamber of the main safety valve, forcing the main safety valve to open; the reheater bengins discharging steam;after the excess pressure has been released, the impulse safety valve closes, stopping the steam entering into the piston chamber of the main safety valve; the main safety valve automatically colses at the reactions of the spring and medium.
This device is used for inlet and outlet pipe of reheater to avoid mediun pressure exceeding the allowable value to ensure the reheater shall run safely.
1.The impulse safety device is as shown in the figure, mainly consisted of impulse safety valve, the main safety valve, stop valve and throttle valve. Impulse safety valve is a kind of spring safety valve. It is mainly consisted of body , bonnet, disc and other parts.The impulse safety valve can be adjusted by using the spring to regulate the pressure.
The impulse safety valve contains an electromagnet to open and another to close the valve. The actions of the mechanism and the electric appliance are separate and will not affect each other .
2.The main safety valve is as shown in the figure. With astructure of single exhaust and both ends of flange connection, it is mainly consisted of body, bonnet, piston chamber, disc, stem and other parts.
3.Both the sealed surfaces of disc and seat of the impulse safety valve are made of hard alloy of cobalt by overlaying welding Both the seat and the disc of the main safety valve are made of hard alloy of cobalt by plasma spray welding.
4.The upper part of the impulse safety valve contains an elec-tromagnet to open and another to close off. At ordinary times, the close-off electromagnet may not be electrified, but when the sealed surface of the valve leaks or when the mechanical addition adjusting reseating pressure is excessively low, it can be electrified by closing electromagnet to make valve sealed or help the valve clack return and procure a higher seat reseating pressure.
5.The impulse safety valve only leaves the factory after it has passed the seal and sensitivity tests, proved to be qualified.
When the medium pressure inside the reheater exceeding the allowable value, the impulse safety valve opens firstly; the steam enters into the piston chamber of the main safety valve, forcing the main safety valve to open; the reheater bengins discharging steam;after the excess pressure has been released, the impulse safety valve closes, stopping the steam entering into the piston chamber of the main safety valve; the main safety valve automatically colses at the reactions of the spring and medium.
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訂貨須知：（國家標準）
一、A:產品名稱、產品型號、公稱通徑B:運用介質及溫度、壓力范圍C:是否有附件、實驗檢驗標準、交貨期、特殊要求等事宜、以便我們的為您正確選型。【閘閥站：http://www.shqzfamen.com】
二、若已經由設計單位選定我公司的主安全閥型號，請您根據主安全閥參數直接與我們銷售中心訂購。【球閥站：http://www.shqzvalve.com】
三、當您使用的場合非常重要或環境比較復雜時,請您盡量提供設計圖紙和詳細參數，由我們的高級工程師專家會專心為您審核與分析。【調節閥：http://www.shqzfm.com】
我們可以為您提供專業的解決方案，包括設計、定做、成套、運行、服務。上海奇眾閥門制造有限公司立志成為世界的閥門制造商。我們一直致力于閥門行業領域的*，為您提供的閥門知識、的服務、*的技術顧問。【*站：http://www.shqzv.com】
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