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Top enter ball valve


Top enter ball valve details:

Top enter ball valve

The top-entry ball valve is designed as an integrated valve body. Its support and ball rod fixed by an upper-assembled pivot and an integrated pivot respectively and the integrated high-strength ball rod ensure an accurate ball positioning. The unique technology of retractable valve seat is adopted, realizing online replacement of valve rods, valve rod seal rings, metal valve seats and preloaded springs.


Technical Specifications

Design standard: ISO14313 、API 6D、BS 5351、GB/T 19672
Face to face standard: ASME B16.10、GB/T 12221
Flange ends: ASME B16.5、ASME B16.47 、GB/T 9113
Fire safe design:API 6FA API 607
Pressure test:API 6D、API 598、GB/T 13927

Product Specifications

Body material: carbon steel, stainless steel, alloy steel
Nominal diameter::2"~60"(DN50~DN1500)
Pressure range:Class150~2500(PN10~PN420)
Working temperature:-196℃~+200℃
Operation :  wrench, worm gear, electric,etc.

 

Design Features

Products Design Features
Simple structure with good tightness and small torque;
With a fully-welded valve body, full bore and the minimum flow resistance (zero actually);
Fire safe, anti-static and anti-blowout stem desjgn;
Valve seat function DBB, DIB-1, DIB-2;

Application

Long distance pipe lines for petroleum, chemical industry, metallurgy, light industry, power station, urban construction water supply, as well as oil, gas and natural gas transmission and so on
 

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