欧美日韩成人在线影院_亚洲免费在线观看中文字幕_麻豆福利夜间视频_成人免费看片又大_中文字幕欧美手机精品_青青在线看片_久久天天躁日日躁狠狠躁_国产一级黄片一区二区三区_撕开奶罩疯狂揉吮奶头_啊快舒服亚洲视频

簡體中文版 English

Product List

Product overview:
Gate valves are widely used in petrochemical industry, thermal power plants and other oil, water vapor pipeline to connect or cut off the intermediate opening and closing device.
Product features:
1. Compact structure, reasonable design, good valve rigidity, smooth channel, small flow coefficient
2. The sealing surface is made of stainless steel and hard alloy, with long service life
3. Use flexible graphite packing, reliable seal, light and flexible operation
4. The driving mode is manual, pneumatic, electric and gear drive
5. The structure is of elastic wedge type single gate and rigid wedge type single gate and double gate
Scope of use: this product can be used in water, steam, flue gas, oil or medium pipelines containing foggy, dust and granular impurities.
Product standard: GB/T 12234.
Mandatory
Mandatory
Mandatory
Mandatory

Be sure to write clearly consulted or purchase products detailed parameters and quantity.