-
Categories
-
Pharmaceutical Intermediates
-
Active Pharmaceutical Ingredients
-
Food Additives
- Industrial Coatings
- Agrochemicals
- Dyes and Pigments
- Surfactant
- Flavors and Fragrances
- Chemical Reagents
- Catalyst and Auxiliary
- Natural Products
- Inorganic Chemistry
-
Organic Chemistry
-
Biochemical Engineering
- Analytical Chemistry
- Cosmetic Ingredient
-
Pharmaceutical Intermediates
Promotion
ECHEMI Mall
Wholesale
Weekly Price
Exhibition
News
-
Trade Service
Ball valve overview hits: 52 release time: 2009-5-21 ball valve is a valve that uses a ball with a circular channel as the opening and closing part, and the ball rotates with the valve rod to achieve the opening and closing action The opening and closing part of the ball valve is a ball with holes, which rotates around the axis perpendicular to the channel, so as to achieve the purpose of opening and closing the channel Ball valve is mainly used to open and close pipes and equipment media The main advantages of the ball valve are as follows: 1 It is suitable for frequent operation, quick and light opening and closing 2 The fluid resistance is small 3 The utility model has the advantages of simple structure, small relative volume, light weight and easy maintenance 4 Good sealing performance 5, not limited by the installation direction, the flow direction of media can be arbitrary 6 No vibration and low noise Classification of ball valve: ball valve can be divided into floating ball valve, fixed ball valve, elastic ball valve and oil seal ball valve according to its structure; it can be divided into direct energy ball valve, angle ball valve and three-way ball valve according to its channel, and three-way ball valve can be divided into T-shaped ball valve and L-shaped ball valve According to the connection work, it can be divided into three types: threaded connection ball valve, flange connection ball valve and welding ball valve The installation and maintenance of ball valve should pay attention to the following matters: 1 The position of valve handle rotation should be reserved 2 Cannot be used as throttling 3 Ball valve with driving mechanism shall be installed vertically Nominal pressure or pressure level: pn1.0-32.0mpa, ANSI class 150-900, jis10-20k nominal diameter or caliber: dn6-900, NPs 1 / 4-36 connection method: flange, butt welding, thread, socket welding and other applicable temperatures: - 196 ℃ - 540 ℃ Driving mode: manual, worm gear drive, pneumatic, electric, hydraulic, pneumatic, electro-hydraulic valve body materials: WCB, zg1cr18ni9ti, zg1cr18ni12mo2ti, CF8 (304), CF3 (304L), CF8M (316), cf3m (316L), Ti Different materials can be used for water, steam, oil, nitric acid, acetic acid, oxidizing medium, urea and other media Previous valve knowledge: butterfly valve general overview next valve knowledge: exhaust valve overview · butterfly valve knowledge: butterfly valve test and installation and troubleshooting methods 2009-6-5 · characteristics and applicability of solenoid valve 2009-5-23 ·Overview and working principle of steam trap 2009-5-22 · general overview of butterfly valve 2009-5-21 ·Overview of drain valve may 21, 2009 Related similar products:
Q944f / q945f electric three-way ball valve
Gq947y electric rail ball valve
Gq47y track ball valve
Dyq340h top mounted ball valve
Gq647y pneumatic track ball valve