High & Low Temperature Resistant Manual Top Entry Trunnion Ball Valve, Stainless Steel Industrial Valve
Online Top Entry Maintenance Design
Trunnion Mounted Fixed Ball Structure
API 6D Certified, DB&B (Double Block & Bleed) Function
Fire-Safe Design (API 607/6FA Compliant)
Anti Blow-Out Stem Structure
Integral Body Construction, Zero External Leakage Points
Spring Energized Seats for Bi-Directional Zero Leakage
Full Bore & Reduced Bore Options Available
Wide Range of Pressure & Temperature Ratings
Low Fluid Resistance, Excellent Flow Characteristics
Lockable Handle & Anti-Misoperation Design
Suitable for Severe Service Conditions
Strong pressure bearing capacity
Good corrosion resistance
Stable operation with low failure rate
Compact overall structure
Convenient manual switching control
Durable sealing parts with long service life
Standard flange connection easy installation
Resist medium erosion and wear
Strict industrial manufacturing process
Wide applicable medium types
Good seismic and impact resistance
Customizable size and material specificati



















Qingdao Yida Tongtu Machinery Technology Co., Ltd., in the beautiful coastal city of Qingdao. Specializing in high-growth ventures such as valves and power equipment, the company is dedicated to providing comprehensive solutions for industries including petroleum, chemicals, and water utilities, empowering clients to grow and achieve success.
We are a cutting-edge trading enterprise specializing in one-stop industrial valve matching, deeply cultivating gate valves, globe valves, ball valves, check valves, butterfly valves, etc. Our main products include American standard API, German standard DIN, and Japanese standard JIS, suitable for various industries such as chemical, petroleum, gas, power, metallurgy, etc.
We selects qualified factories from the source, strictly controls product quality, adheres to the direct supply mode, and relies on the advantages of a streamlined and efficient team to achieve rapid implementation of customer demands. At the same time, we can provide customers with standard spot goods, non-standard customization, OEM, project batch matching, and a complete set of export documentation services, becoming a long-term stable valve procurement partner for customers with professionalism, reliability, and high cost-effectiveness.















Our mission is to offer "High Quality" & "Good Service" & "Fast Delivery" to help our clients to gain more profits.