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API6D Through conduite gate valve

Product Description:

The two sealing faces of a slab gate valve are perpendicular to the pipeline axis, that is, it is a gate valve with two sealing faces parallel to each other; its closing member can be a single disc or a double discs valve equipped with a stretching mechanism. As the disc slides on two seats faces, the through conduit gate valve is applicable for the medium with particles in suspension, and featured with good flowing adjusting function.
From the aspect of structure style, the through conduit gate valve can be divided into two types of valves with diversion holes and valves without any diversion hole.

Technical Specifications

Design standard:API 6D、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,
Nominal diameter: 2"~60"
Pressure range:Class150~2500
Working temperature:-46℃~+200℃

Mode of operation: Hand wheel,gear, Electric , Pneumatic


Design Features

The valve disc wedge and valve seat seal are repeatedly treated by special processes, and protected by multiple seals, and featured with anti-corrosion, penetration-proof, anti-abrasion and long service life;
Valve seat is designed with hard-soft double seal, having reliable tightness;
With a full bore design, both the coefficient of flow resistance and the pressure loss are very small;
When the valve is fully opened, medium erosion occurring to its sealing face is smaller than that of other valves;
The through conduit gate valve with diversion holes installed on a pipeline can also be cleaned by a pipe cleaner directly
Good flow adjusting ability, high precision of flow characteristic curve and good dynamic adjustment stability;
No space restriction on valve installation, that is, both parallel and perpendicular installations are allowed;
Leakage rate: ANSI B 16.104 Ⅵ;


Crude oil, refined oil and natural gas, etc. 

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