Gate Valve Series

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Comprehensive Guide to Welding and NDT Standards for Valve Manufacturing

I. Welding Procedure Qualification Standards 1. ASME Boiler and Pressure Vessel Code, Section IX Qualification Standard for Welding, Brazing, and Fusing Procedures Requirements f... [2026-02-05]

Valve Classification Methods

Various methods of valve classification... [2026-02-02]

Key Factors Affecting Front-Sealing Performance of Gate Valves (Especially Non-Rising Stem Valves)

Discover the critical factors affecting front-sealing performance in gate valves, particularly non-rising stem designs. Learn how disc thickness and seating face width optimization... [2026-01-29]

How to Install Valve Handwheel, Wrench, Locking Device & Position Indicator | API 6D / ISO 14313 Standards

Complete guide to installing valve handwheels, wrenches, locking devices, and position indicators per API 6D / ISO 14313 standards. Learn key requirements for operating force limit... [2026-01-26]

Kaiweixi Valve Group Co., Ltd
Kaiweixi gate valve Contact Kaiweixi
Zhejiang Shanliu Valve Technology Co., Ltd
Shanliu gate valve Contact Shanliu
ShangHai Meiyan Yi Pump & Valve Co.,LTD
Meiyan Yi gate valve Contact Meiyan Yi
Shanghai Fengqi Industrial Development Co., Ltd.
FengQi gate valve Contact FengQi