欧美午夜在线观看理论片-欧美午夜在线视频-欧美线人一区二区三区-欧美香蕉视频-欧美香蕉视频在线观看-欧美香蕉爽爽人人爽观看猫咪

The standard of full welded ball valve

Dateline:2014-11-30    Hits:

Size: full size & standard size DN50 (2 ") 1400 ~ DN (56")

Pressure rating: ANSI Class 150 ~2500, PN 16 ~ 420

Working temperature: -29 degrees C (-20 degrees F) ~ +200 degrees C (392 degrees F)

To adapt to the medium: Oil / gas, LNG / LPG gas, petroleum chemical industry, iron and steel plant, heating pipes etc.

Mode of operation: the handle, gear (vertical / horizontal), electric

Standard features:

Butt welding & flange for entity structure end

Mirror polishing the stainless steel ball to test

The preload spring cushion to ensure low temperature leak tight and reducing thevalve operating torsion

According to the international standard against burst valve stem

Stem dry automatic lubrication bearing capacity and metal with PTEF coating, without additional lubricant

A floating or fixed ball valve

Feature selection: (on request)

Self rescue seat

Vertical device and stem extension

Special port and path

Antistatic device

The stem can emergency treatment of oil and fat

Valve lubricant and sealant of emergency equipment

Seal metal to metal seating

Double block and bleed

Double piston effect of valve seat

Fire safety design with graphite gasket

Use a plastic polymer sealing valve seat

Safety valve body cavity

Ball and stem of electroless nickel plating

Material:

Body: carbon steel ST37, A106-B, STPG 370, A105, ASTM A516-60, A216-WCB or equivalent. Stainless steel 304 or 316 (to choose)

Sphere: stainless steel 304 or 316 level

Seat: the metal seat with polymer sealing ring, PTFE, RTFE, Viton, Nylon, Peek etc.


The previous product:Ammonia valve 2
The next product:The standard of full welded ball valve 2

手機(jī)網(wǎng)站

主站蜘蛛池模板: 欧美播播 | 国产三级做爰高清在线 | 日韩一区二区三区在线观看 | 国产综合视频在线观看 | 久热国产在线 | 在线观看视频一区二区 | 国产拍拍视频一二三四区 | 国产精品视频免费 | 肉丝袜福利视频国产福利 | 久久精品国产亚洲精品2020 | 欧美亚洲一区二区三区在线 | 特级毛片免费播放 | 欧美性猛交xxx免费看人妖 | 波多野野结衣1区二区 | 四虎精品视频在线永久免费观看 | 欧美大屁股精品毛片视频 | 91成人免费观看 | 人成午夜视频 | 久久久2019精品 | 国产悠悠视频在线播放 | 美女被免费网站视频 | 国内精品久久久久久久久野战 | 国产麻豆高清在线观看 | 美女被免费视频的网站 | 久久91av| 欧美日韩国产精品 | 中文字幕一区二区三区精品 | 国产一级毛片大陆 | 爱爱免费观看高清视频在线播放 | 日韩毛片在线视频 | 日本不卡视频免费的 | 69xxx视频 | 国产精品爽爽va免费观看 | 老司机成人网 | 亚洲国产青草 | 亚洲午夜国产片在线观看 | 久久国产欧美另类久久久 | 91精品国产91久久久久青草 | 四虎影库网址 | 欧美日韩精品一区二区三区高清视频 | 中文字幕免费视频 |