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API valve ball seats

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Cemented carbide seats for sealing valves for valve fittings
Cemented carbide seats for sealing valves for valve fittings
Cemented carbide seats for sealing valves for valve fittings
Cemented carbide seats for sealing valves for valve fittings
Cemented carbide seats for sealing valves for valve fittings

Cemented carbide seats for sealing valves for valve fittings


Tungsten carbide seats are made from a mixture of tungsten and carbon heated at high temperatures. Most tungsten carbide has high hardness, good wear resistance, low decomposition at high temperatures, and good oxidation resistance. Field investigation shows that the wear resistance of tungsten carbide is 100 times higher than that of tool steel, stainless steel, iron and brass under abrasive wear, erosion wear and abrasion, rigidity is 2 ~ 3 times higher than that of steel, and rigidity is 4 ~ 6 times higher than that of cast iron and brass. The impact resistance of tungsten carbide is similar to that of hardened tool steel.

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Product Introduction:

The cemented carbide seat, also known as the cemented carbide seal ring, has a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance and corrosion resistance, especially its high hardness and wear resistance, even at the temperature of 500℃ is basically unchanged, at 1000℃ still has a high hardness. Used with hard alloy valve core, has excellent sealing and wear resistance, alloy seat bevel is smooth and smooth.


Product Features:

1. Hard alloy seal ring with wear resistance, corrosion resistance and other properties, widely used in petroleum, chemical and other fields of mechanical seal, the products are flat ring (PH) and table ring (TH) and other special-shaped rings, specifications customized;

2. After fine grinding, the product has very small size and tolerance, and excellent sealing performance;

3. Rare elements of corrosion resistance are added to the process formula to make the sealing performance more durable;

4. Using high strength and high hardness of hard alloy material, no deformation, more compressive.


Product application scope:

Mineral, and surface mining tools, drilling for oil and gas or horizontal directional drilling, mining and recycling process mechanical sealing equipment, etc.


Product brand:

GradeDensity (g/cm3)Hardness (HAR)Strength (MPa)Application

YG6

14.7-15.190≧1600

Good wear resistance, high strength, suitable for ordinary stress conditions. Used as alloy ball,

template inverted, valve core, valve seat, sealing ring, measuring tool, fixture, spray cover, top, guiderail, structural parts and mechanical accessories.

YG814.6-14.989.3≧1800

YG9

14.55-14.788.1≧2000Good wear resistance, high strength, suitable for PDC bit and cone bit, nozzle, water hole sleeve.
YG1114.3-14.687.5≧2100

Good impact resistance, suitable for the production of petroleum, chemical, 

mechanical industries of high pressure nozzle, liner, bushing.

YG15

14.0-14.287≧2400

Good strength and toughness, suitable for high stress conditions, used for sealing ring,

ball milldrum,Structural parts, mechanical accessories and stamping die.

YG2013.4-13.685≧2500

Suitable for standard parts, bearings, tools and other industries for cold heading, 

cold punching, cold pressing die, Slug and shell stamping die.


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