亚洲娇小与黑人巨大交-福利一区二区三区视频在线观看-精品一二三区久久aaa片-天天躁日日躁狠狠很躁-国产成人亚洲精品青草天美

EnglishEnglish 中文中文

Newscurrent location:HomeNews

Valve ball stable performance, long-term "secret"

date:[2017-11-20]     pk_hits:

If you want to valve ball stable performance, longer life, then we need to be aware of the following points:

1. before use

Apply water to clean the overcurrent portion of the pipe and body to prevent residual ferrite and other debris from entering the body cavity.

2. Using

If found in the use of subtle leakage at the filler, you can slightly tighten the stem nut, tight leaks can stop, can not continue to tighten.

3. When closed

Before overhauling the sphere valve, first close the shut-off valve on the ball valve, open the ball valve to be overhauled, and completely release the internal pressure of the valve body. If it is an electric ball valve or pneumatic ball valve, you should first disconnect the power and air supply.

Valve ball

4. Sealing material

General soft seal valve ball are used PTFE (PTFE) as a sealing material, hard sealing valve ball sealing surface made of metal surfacing. If you need to clean the pipe valve ball, remove the seal to be careful to prevent damage and leakage.

5. Bolt nut fixed

Flange valve ball disassembly, the flange bolts and nuts should be fixed, and then all the nuts a little tight, and finally hard fixed.

6. When cleaning

If the valve ball is cleaned, the solvent used must not conflict with the parts to be cleaned and will not corrode. If it is a gas-specific valve ball, you can use gasoline for cleaning, other parts can be washed with water in general. When cleaning, thoroughly clean the remaining dust, oil and other attachments, such as water can not be cleaned, without damaging the body and components under the premise of targeted cleaning with alcohol and other cleaning agents. After the cleaning is complete, the cleaning agent is completely evaporated before assembly.

7. Store

Long-term open storage, will lead to valve ball body and parts of the corrosion, can not be used normally. Valve ball storage should be rain, water, moisture, and the flange cover tightly. Valve balls stored for more than 12 months should be retested to ensure stable performance.


Product center

Contact Us

TEL: (86)0577-67319077

FAX: (86)0577-67319066

E-mail: qx@qxvalve.cn

Add: ANFENG INDUSTRIAL ZONE , OUBEI TOWN, WENZHOU, ZHEJIANG, CHINA 325105

National Advisory Order Hotline/

(86)0577-67319077

CopyRight 2015 ZHEJIANG RENXING VALVE CO.,LTD All Rights Reserved Address: ANFENG INDUSTRIAL ZONE, OUBEI TOWN, WENZHOU, ZHEJIANG, CHINA 325105 phone:(86)0577-67319077

主站蜘蛛池模板: 国产av一区二区三区日韩| 国产精品剧情一区二区| 国产精一区二区三区视频| 97人妻天天摸天天爽天天| 自慰小少妇毛又多又黑流白浆| 日本人妻人人人澡人人爽| 国产后入又长又硬| 色偷偷女人的天堂亚洲网| 国产麻豆md传媒视频| 欧美日韩精品一区两区三区| 狠狠爱av一区二区三区| 最新国产aⅴ精品无码| 亚洲超碰97无码中文字幕| 男女性高爱潮免费网站| 无码人妻黑人中文字幕| 自偷自拍亚洲综合精品麻豆| 蜜臂av一区二区三区| 精品午夜福利在线视在亚洲| 无套内谢孕妇毛片免费看看| 99pao在线视频国产| 精品亚洲韩国一区二区三区| 亚欧乱色熟女一区二区| 精品欧美一区二区三区久| 亚洲欧美18岁网站| 日本三级香港三级人妇99| 无码潮喷a片无码高潮视频| 欧美国产日韩a在线观看| 国产精品亚洲色婷婷99久久精品| 色网站视频一区二区三区| 成人午夜特黄aaaaa片男男| 亚洲欧美日韩v在线播放| 色欲狠狠躁天天躁无码中文字幕| 亚洲精品久久夜色撩人男男小说| 蜜臀久久99精品久久久久久小说| 亚洲综合在线视频一区| 都市激情 在线 亚洲 国产| 一二三四视频社区在线| 7777奇米成人狠狠成人影视| 日韩高清成片免费视频| 国产视频欧美一区二区三区| 成人免费直播|