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產(chǎn)品型號(hào)A49Y-PW5414V DN100

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所  在  地上海市

聯(lián)系方式：葉經(jīng)理查看聯(lián)系方式

更新時(shí)間：2018-03-04 15:08:40瀏覽次數(shù)：220次

聯(lián)系我時(shí)，請(qǐng)告知來自 泵閥商務(wù)網(wǎng)

經(jīng)營模式：生產(chǎn)廠家

商鋪產(chǎn)品：9781條

所在地區(qū)：上海上海市

聯(lián)系人：葉經(jīng)理 （經(jīng)理）

產(chǎn)品簡介

本裝置供蒸汽工作壓力為P﹦13.72MPa；t≤540℃的電站鍋爐上使用，防止鍋爐內(nèi)介質(zhì)壓力超過允許值，以保證鍋爐安全運(yùn)行。主安全閥A49Y-PW5414VDN100應(yīng)與沖量安全閥A49Y-PW5414VDN20配套安裝使用。

詳細(xì)介紹

 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(hào)
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.

 

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訂貨須知：（國家標(biāo)準(zhǔn)）    
一、A:產(chǎn)品名稱、產(chǎn)品型號(hào)、公稱通徑B:運(yùn)用介質(zhì)及溫度、壓力范圍C:是否有附件、實(shí)驗(yàn)檢驗(yàn)標(biāo)準(zhǔn)、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(jīng)由設(shè)計(jì)單位選定我公司的主安全閥型號(hào)，請(qǐng)您根據(jù)主安全閥參數(shù)直接與我們銷售中心訂購。【球閥站：http://www.shqzvalve.com】
三、當(dāng)您使用的場合非常重要或環(huán)境比較復(fù)雜時(shí),請(qǐng)您盡量提供設(shè)計(jì)圖紙和詳細(xì)參數(shù)，由我們的高級(jí)工程師專家會(huì)專心為您審核與分析?！菊{(diào)節(jié)閥：http://www.shqzfm.com】
我們可以為您提供專業(yè)的解決方案，包括設(shè)計(jì)、定做、成套、運(yùn)行、服務(wù)。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(yè)領(lǐng)域的*，為您提供的閥門知識(shí)、的服務(wù)、*的技術(shù)顧問?！?站：http://www.shqzv.com】


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