API 602 Gate Valves, Bolted Bonnet, Rising Stem, Socket Weld with 100mm Long Plain End Nipples Welded at Both Ends, PWHT. So have you heard of PWHT? What’s PWHT? Table of Contents Overview of Post Weld Heat Treatment (PWHT) PWHT encompasses many different types of potential treatments: Post Heating: Stress Relieving: When PWHT is required…
Table of Contents About Valve World Middle East Conference 2017 About Valve World Americas Conference 2017 About Valve World Asia 2017 About Valve World Middle East Conference 2017 The Valve World Middle East Conference 2017 was held Monday through Tuesday, February 20-21, 2017 at the IRIB International Conference Centre, in Tehran, Iran. It was co-organized…
Globe valve belongs to the forced sealing valve. So when the valve is closed, pressure must be applied to the disc so that the sealing surface does not leak. When the medium enters valve 6 from the bottom of the disc, the resistance to be overcome by the operating force is the friction between the…
gate vs ball valve chemical ball valve 2pc ball valve Globe valve, gate valve, butterfly valve, check valve and ball valve are all indispensable control parts in various pipeline systems. Each kind of valve is different in appearance, structure and even function. But globe valve and gate valve are similar in appearance, and both of…
BS&B developed the BPRV Buckling Pin Relief Valve, for overpressure or vacuum relief requiring quick and simple external resetting. The BPRV is suitable for both gas and liquid applications. It provides a full relief opening at a preset pressure. Buckling Pin technology is a reliable and accurate means of calibrating pressure relief devices. Table of…
About after-sales service and related commitments: 1. ZECO provides regular free service for the equipment we undertake； 2. According to the requirements of the demander, provide technical guidance on use； 3. Ensure the supply of spare parts for maintenance； 4. Responsible for and guiding the maintenance service, and providing regular guidance and maintenance； 5. Provide…
JKLYZX0039 Ball Valve grove b5 ball valve Low voltage backflow preventer is a product developed by our company to meet the requirements of national design specifications. Low pressure backflow preventer, as a kind of protection equipment to prevent medium backflow in low-pressure pipeline under the condition of cross-connection, and to ensure the sanitation and safety of…
On August 24, Valve Branch of China General Machinery Industry Association held the 2018 valve industry information exchange and publicity work in Taiyuan, Shanxi Province. ZECO Valve Group participated in the meeting as the special invited unit of valve association. At the meeting, China Valve Association announced the economic operation of the valve industry in…
1 4 ball valve ball valve 1 2 1 1 4 ball valve Table of ContentsAbout after-sales service and related commitments:Free after – sales service during warranty period:Service measures outside the warranty period:About after-sales service and related commitments:ZECO international standard valve manufacturer provides regular free service for the equipment we undertake; According to the requirements…
Table of Contents How to choose valve materials for high temperature conditions? 1. Sub-high temperature 2. High temperature class I 3. High temperature class Ⅱ 4. High temperature Ⅲ 5. High temperature Ⅳ 6. High temperature Ⅴ level How to choose valve materials for high temperature conditions? The high-temperature working conditions mainly include sub-high temperature,…