T-WZBF 031-2023 低真空蝶閥 技術(shù)條件

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目錄前言

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II

范圍

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規(guī)范性引用文件

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結(jié)構(gòu)型式和型號(hào)

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型號(hào)

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技術(shù)要求

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總則

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連接端

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閥體和閥座

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蝶板和閥桿

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密封副

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操作

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外觀

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4.10

性能

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4.11

材料

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試驗(yàn)準(zhǔn)備和要求

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檢驗(yàn)和試驗(yàn)方法

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6.1

外觀質(zhì)量檢驗(yàn)

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6.4

真空漏率測(cè)試

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6.6

啟閉時(shí)間檢測(cè)

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檢驗(yàn)規(guī)則

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出廠檢驗(yàn).

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標(biāo)志

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裝運(yùn)和貯存

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10本標(biāo)準(zhǔn)適用于公稱尺寸不大于

Pa本標(biāo)準(zhǔn)適用于公稱尺寸不大于

Pa1×10

低真空蝶閥

技術(shù)條件

GB

GB/T

3452.1

JB/T

308閥門JB/T

1091

真空蝶閥的典型結(jié)構(gòu)型式及主要零部件名稱如圖

3.2

JB/T

308

T/WZBF

T/WZBF

4.1

在環(huán)境溫度低于

DN50DN1100DN65DN1200DN80DN1400DN1500DN1600DN1800DN2000DN2200DN2400DN2600DN2800DN30001000DN32001100DN34001100DN36001200DN380013501350T/WZBF

2011

3

-5-3-2-2-2T/WZBF

4.8

驅(qū)動(dòng)裝置應(yīng)具有當(dāng)環(huán)境溫度在-40℃4.9

4.10 性能4.10.1 4.10.2 4.10.3

4.10.4 4.10.4 真空蝶閥在啟閉過程中，

4.10.54.11材料4.11.1

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4.11.2 4.11.3主要零件常用材料見表

3。

4.11.4 4.11.4

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(s·mV)]。

(s·mV)]。

Q=（U

出的穩(wěn)定氦信號(hào)值，單位為毫伏（mV）；

試驗(yàn)裝置如圖

所示。T/WZBF

檢測(cè)真空蝶閥漏率，按公式(2)計(jì)算真空蝶閥的反向漏率

Q。Q=（P

4.10.4

4.10.5

4.10.14.10.24.10.34.10.44.10.54.11公稱尺寸最少基數(shù)

抽樣數(shù)

10＞DN1200T/