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北京疏水閥門(mén)廠
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北京疏水閥門(mén)廠
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更新時(shí)間：2024-09-25 10:53:53瀏覽次數(shù)：132次
聯(lián)系我時(shí)，請(qǐng)告知來(lái)自 制藥網(wǎng)中文介紹對(duì)夾式止回閥由閥體、閥瓣、彈簧等組成，水平或垂直安裝于管路系統(tǒng)，防止介質(zhì)倒流
中文介紹
對(duì)夾式止回閥由閥體、閥瓣、彈簧等組成，水平或垂直安裝于管路系統(tǒng)，防止介質(zhì)倒流。
對(duì)夾式止回閥適用于公稱壓力PN10?PN420、Class150?Class2500；公稱通徑DN15?DN1200、NPS1/2?48；工作溫度-196℃?540℃的各種管路上，用于防止介質(zhì)倒流。通過(guò)選用不同的材質(zhì)，對(duì)夾式止回閥可適用于石化、冶金、電力、輕工、食品等行業(yè)中水、蒸汽、油品、硝酸、醋酸、強(qiáng)氧化性介質(zhì)及尿素等多種介質(zhì)。
產(chǎn)品結(jié)構(gòu)特點(diǎn)：
1.結(jié)構(gòu)長(zhǎng)度短，其結(jié)構(gòu)長(zhǎng)度只有傳統(tǒng)法蘭止回閥的1/4?1/8；
2.體積小、重量輕，其重量只有傳統(tǒng)法蘭止回閥的1/4?1/20；
3.閥瓣關(guān)閉快速，水錘壓力??；
4.水平管道或垂直管道均可使用，安裝方便；
5.對(duì)夾升降式止回閥流道通暢、流體阻力??；
6.動(dòng)作靈敏、密封性能好；
7.閥瓣行程短、關(guān)閥沖擊力??；
8.整體結(jié)構(gòu)、簡(jiǎn)單緊湊、造型美觀；
9.使用壽命長(zhǎng)、可靠性高。
The clip check valve is composed of valve body, valve disc, spring and so on. It is installed horizontally or vertically to the pipeline system to prevent the reverse flow of the medium.
Wafer type check valve for the nominal pressure of PN10 ~ PN420, Class150 ~ Class2500; the nominal diameter of DN15 ~ DN1200, NPS1/2 ~ 48; all kinds of pipeline working temperature of -196 DEG C to 540 DEG C, used to prevent the media back. By selecting different materials, the clip check valve can be applied to many kinds of media such as water, steam, oil, nitric acid, acetic acid, strong oxidizing medium and urea in petrochemical, metallurgical, power, light industry and food industries.
Product structure:
1. short length of the structure, the length of the structure is only the traditional flange check valve 1/4 ~ 1/8;
2. small, light weight, and its weight is only 1/4 to 1/20 of the traditional flange check valve;
3. valve closes fast, water hammer pressure is small;
4. horizontal pipe or vertical pipe can be used and easy to install.
The flow path of the 5. pair clip check valve is smooth and the fluid resistance is small.
6. the action is sensitive and the sealing performance is good.
The 7. valve stroke is short and the impact force of the valve is small.
8. overall structure, simple and compact, beautiful appearance;
9. long life and high reliability.
對(duì)夾式止回閥WAFER CHECK VALVES
對(duì)夾式止回閥主要零件的材料Material for the main parts of the clip check valve：
| 零件名稱 Part name | 閥體、閥蓋、閥瓣 Valve body, valve cover, valve disc | 密封面 Sealing surface | 搖桿 rocker | 銷軸 Pin shaft | 墊片 Shim |
| 零件材料 Part material | 碳鋼 carbon steel | 堆焊硬質(zhì)合金 Hardfacing hard alloy | 碳鋼 carbon steel | 鉻不銹鋼 Chromium stainless steel | 柔性石墨+304 Flexible graphite+304 |
零件材料Part material
| 型號(hào)Model | 閥體Valve body | 閥瓣Valve clack | 彈簧Spring |
| H71H-16Q 、H71H-25Q | QT400-15 | 25 | 50CrVA |
| H71W-25H、 H71W-40H | 2Cr13 | 1Cr13 | 1Cr18Ni9Ti |
| H71W-25P 、H71W-40P | ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
技術(shù)參數(shù)Technical parameter
| 型號(hào)Model | 公稱壓力 Nominal pressure （MPa） | 試驗(yàn)壓力Test pressure（MPa） | 適用溫度 Applicable temperature（℃） | 適用介質(zhì) Applicable medium | |
| 殼體Shell | 密封Seal up | ||||
| H71H-16Q | 1.6 | 2.4 | 1.76 | ≤235℃ | 水、蒸氣、油品等 |
| H71H-25Q | 2.5 | 3.75 | 2.75 | ≤235℃ | |
| H71W-25H | ≤300℃ | ||||
| H71W-25P | ≤200℃ | 硝酸等腐蝕性介質(zhì) | |||
| H71W-40H | 4.0 | 6.0 | 4.4 | ≤300℃ | |
| H71W-40P | ≤200℃ | 水、蒸氣 | |||
|
|
主要外形尺寸Main shape size：
| 公稱通徑 DN(mm) | L | D | ||
| 1.6 | 2.5 | 4.0 | ||
| 15 | 25 | 48 | 48 | 48 |
| 20 | 31.5 | 58 | 58 | 58 |
| 25 | 35.5 | 68 | 68 | 68 |
| 32 | 40 | 80 | 80 | 80 |
| 40 | 45 | 90 | 90 | 90 |
| 50 | 56 | 105 | 105 | 105 |
| 65 | 63 | 125 | 125 | 125 |
| 80 | 71 | 140 | 140 | 140 |
| 100 | 80 | 160 | 165 | 165 |
| 125 | 110 | 190 | 195 | 195 |
| 150 | 125 | 215 | 225 | 225 |
| 200 | 160 | 270 | 285 | 290 |
| 250 | 200 | 330 | 340 | 350 |
| 300 | 250 | 385 | 400 | 415 |
1、本閥門(mén)通路兩端須堵塞，存在干燥通風(fēng)的室內(nèi)。如長(zhǎng)期存放，應(yīng)經(jīng)常檢查防銹蝕。
2、安裝前應(yīng)將閥門(mén)清洗干凈，并消除在運(yùn)輸過(guò)程中造成的缺陷。
3、安裝時(shí)必須仔細(xì)核對(duì)閥門(mén)上的標(biāo)志和銘牌是否符合使用要求。
4、本閥門(mén)安裝在水平管道上，閥蓋向上。
Installation and use
1, the valves at both ends of the valve must be blocked, and there is a dry and ventilated room. Corrosion protection should be regularly checked for long-term storage.
2, before installation, the valve should be cleaned and the defects caused in the transportation process are eliminated.
3, the installation must carefully check the sign on the valve and whether the nameplate is in accordance with the requirements.
4. The valve is installed on the horizontal pipe and the valve cover is upwards.
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