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Steam pressure reducing valve
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Steam pressure reducing valve
Description:

蒸汽減壓閥概述:
    
本系列減(jian)壓(ya)(ya)(ya)閥(fa)(fa)屬(shu)于先導活(huo)(huo)塞(sai)式(shi)減(jian)壓(ya)(ya)(ya)閥(fa)(fa).由主閥(fa)(fa)和導閥(fa)(fa)兩部(bu)分組(zu)成.主閥(fa)(fa)主要(yao)由閥(fa)(fa)座、主閥(fa)(fa)盤(pan)、活(huo)(huo)塞(sai)、缸套(tao)、彈(dan)簧(huang)(huang)等零件(jian)組(zu)成。導閥(fa)(fa)主要(yao)由閥(fa)(fa)座、閥(fa)(fa)瓣、膜片、彈(dan)簧(huang)(huang)、調節彈(dan)簧(huang)(huang)等零件(jian)組(zu)成。通過調節調節彈(dan)簧(huang)(huang)壓(ya)(ya)(ya)力(li)設(she)定出(chu)口壓(ya)(ya)(ya)力(li),利用膜片傳感(gan)出(chu)口壓(ya)(ya)(ya)力(li)變化,通過導閥(fa)(fa)啟(qi)閉驅動活(huo)(huo)塞(sai)調節主閥(fa)(fa)節流(liu)部(bu)位過流(liu)面(mian)積的大小,實現減(jian)壓(ya)(ya)(ya)穩壓(ya)(ya)(ya)功能(neng)。

蒸汽減壓閥主要技術參數和性能指標:   
公稱壓力(MPa) 1.6 2.5
殼體試驗壓力(MPa) 2.4 3.75
密封試驗壓力(MPa) 1.6 2.5
最高進口壓力(MPa) 1.6 2.5
出口壓力范圍(MPa) 0.1-1.0 0.1-1.6
壓力特性偏差(MPa) GB12246-1989
流量特性偏差(MPa) GB12246-1989
最小壓差(MPa) 0.15 0.15
滲漏量 GB12245-1989

蒸汽減壓閥主(zhu)要零件材料:

零件名稱 零件材料
閥體、閥蓋、底蓋 WCB
閥座、閥盤 2Cr13
缸套 2Cr13/25(鍍硬鉻)
活塞 2Cr13/銅合金
活塞環 合金鑄鐵
導閥座、導閥桿 2Cr13
膜片 1Cr18Ni9Ti
主閥彈簧 50CrVA
導閥主彈簧 50CrVA
調節彈簧 60Si2Mn

蒸汽減壓(ya)閥(fa)流量系數(shu)(Cv):
DN 15 20 25 32 40 50 65 80 100 125 150
Cv 1 2.5 4 6.5 9 16 25 36 64 100 140

蒸汽減壓閥主要外形尺寸:
公稱壓力 公稱通徑
DN(mm)
尺          寸 (mm)
L D D1 b Z-фd D3 H1 H2
1.6Mpa 25 180 115 85 14 4-18 115 101 315
32 200 135 100 16 4-18 130 107 320
40 220 145 100 16 4-18 145 113 325
50 250 160 125 16 4-18 155 120 335
65 280 180 145 18 4-18 170 140 365
80 310 195 160 20 8-18 200 150 385
100 350 215 180 20 818 200 150 385
125 400 245 210 22 8-18 235 185 425
150 450 280 240 24 8-23 265 210 445
2.5Mpa 25 180 115 85 16 4-14 115 101 315
32 200 135 100 18 4-18 130 107 320
40 220 145 110 18 4-18 145 113 325
50 250 160 125 20 4-18 155 120 335
65 280 180 145 22 8-18 170 140 365
80 310 195 160 22 8-18 200 150 385
100 350 230 190 24 8-23 200 150 385
125 400 270 220 28 8-25 235 185 425
150 450 300 250 30 8-25 265 210 445

深圳北澤閥門公司訂貨須知

、①蒸汽減壓閥產品名稱與型號②蒸汽減壓閥口徑③蒸汽減壓閥是否帶附件以便我們的為您正確選型④蒸汽減壓閥的使用壓力⑤蒸汽減壓閥的使用介質的溫度。
二、若已經由設計單位選定深圳北澤公司的蒸汽減壓閥型號,請按蒸汽減壓閥型號直接向我司銷售部訂購。
三、當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,由我們深圳北澤閥門公司專家為您審核把關。


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