国产大屁股一区二区在线视频_一级国语特黄毛片_在线亚洲日韩ay_女人啪啪午夜性刺激免费看_91精选在线观看_成人精品欧美日本一二三区_久草免费福利资源站在线观看_国产最新中文WWW_精品视频二区三级色站综合_国产欧美亚洲欧美另类在线

Flange type multi layer hard seal butterfly valve

PRODUCTS > Butterfly valve > Flange type multi layer hard seal butterfly valve

Flange type multi layer hard seal butterfly valve

Product model: D343W/H
Nominal diameter:DN50~2000mm
Nominal pressure: PN0.6~4.0MPa
Applicable temperature: -29~425℃
Applicable medium: water, steam, oil and so on
Body material: carbon steel, stainless steel
Seat material: stainless steel, aluminum alloy, tungsten carbide, nickel alloy, Meng Naier
Valve plate material: carbon steel, stainless steel, alloy steel
Connection: flange type
Drive: worm gear drive, electric, pneumatic, hydraulic
shared:

[Standard parameter]

Design standardGB/T12238-2008
Structural lengthGB/T12221-2005
Connection standardJB/T 79.1-1994
Pressure testGB/T13927-2008


[Valve features]

1, unique structure, small size, light, flexible operation, labor-saving and convenient;
2, reliable sealing, sealing can be achieved without leakage;
3, flow characteristics tend to linear, regulatory best;
4, the use of three eccentric principle, so that the sealing surface is similar to zero loss, extending the valve life;
5, a wide range of applications. Such as: can be used in water, steam, oil, air, gas and other media;
6 、 suitable for various temperature and pressure levels below 6.4MPa, corrosion resistance of various media pipelines.

[Adaptive condition]
       Now widely used in petroleum, chemical industry, gas equipment, nuclear power equipment, water treatment, air conditioning, iron and steel metallurgy, industrial furnace, canned equipment, brewing equipment, drying equipment, vacuum equipment, surface treatment, bio pharmaceutical, food machinery, textile, papermaking and other industries, is the preferred product construction the construction of national defense science and technology.


Name
Phone
Email
Corporate name
Address
Leaving Message*
 
Verification code
Submit