control valve
Before the resilient seated gate valve was introduced to the market, gate valves with a metal seated wedge were widely used. The conical wedge design and angular sealing devices of a metal seated wedge require a depression in the valve bottom to ensure a tight closure. Herewith, sand and pebbles are embedded in the bore. The pipe system will never be completely free from impurities regardless of h...
A butterfly valve is a shut-off valve with a relatively simple construction. In closed position, the disc blocks the valve bore as in open position, the disc is turned to allow flow. A quarter turn takes the valve from fully open to fully closed position, oppositely, the butterfly valve allows for quick opening and closure. Butterfly valves can be used for a broad range of applications within wate...
Quality is the lifeblood of an enterprise, and quality is the industrial foundation for the growth and development of an enterprise. The so-called quality, including product quality, work quality, service quality and many other aspects, for a company, product development, raw material procurement, organizational production, sales success and customer feedback, quality has always been the most crit...
In this year 2020 severe situation, all staff from our company are more strict with them selves to ensure the quality and production time of each order, so that we can meet the customers demand. Our workshops are busy every day. We have produced more than 6000nos valves with great quality in June,2020.and close to 8000nos in July,2020.We will keep on paying attention in quality and best service to...
Affected by raw material and labor costs and other factors, in recent years Chinas valve industry rapidly develop in the international market. Exports and expanding market share has gradually become an important industry base of production and the main sales market. Many valve companies in China, with small size, lack of core competitiveness, difficult to influence in the international market, lar...
Check valves are automatic valves that open with forward flow and close with reverse flow. The pressure of the fluid passing through a system opens the valve, while any reversal of flow will close the valve. Exact operation will vary depending on the type of Check valve mechanism. Most common types of Check valves are swing, lift (piston and ball), butterfly, stop and tilting-disk. Types of Check ...
Ball valves A Ball valve is a quarter-turn rotational motion valve that uses a ball-shaped disk to stop or start flow. If the valve is opened, the ball rotates to a point where the hole through the ball is in line with the valve body inlet and outlet. If the valve is closed, the ball is rotated so that the hole is perpendicular to the flow openings of the valve body and the flow is stopped. Types ...
Valve is best suited for installations, keeping in mind the service for which the valve is recommended. Before installing the correct valve, review the installation instructions to prevent damage to the valve and to assure its maximum efficiency. Use sand cloth or steel wire brush to clean both ends to a bright metal finish. Apply flux to outside of tube and inside of solder cup. Surfaces to be jo...
Technical measures Signal device is additionally provided with wafer butterfly valves location. When running in butterfly valves wafer deviation from the full open position, sends out signal, the control room of the optical plate light, the operator can signal according to the judgment is off wafer butterfly valves accident or partial red. General treatment measures to regulate the part turning, c...
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