tungsten carbide Valve ball and seat

1.virgin cemented carbide, tungsten carbide 2.any size and design available 3.Used in valve field

 Tungsten carbide valve ball and seat:

Specification:

1.High strength, high wear resistance, high precision, high temperature resistant, corrosion resistant.

2.They are mainly used for the sealing of valves of oil pumps in petroleum industry's sand containing wells, viscous oil wells, sea oil wells and high pressure sulfur resistant oil wells, etc.                  3. They are used with compatible cemented carbide valve seats.

 4.The surface finish, tolerance class and tolerances of dimensions have respectively reached the standards of the machine industry: G5, G10, G16, G40 and G100 of JB/T 9145-1999. 5.Precision machined cemented carbide balls of other grades and specifications are also available based on customers' demands. 6.Compatible high precision valve seats can also be made available. 

Grade	Equal to ISO Category Number	Performance
		Density	Bend Strength	Hardness
		G/Cm3	N/mm2	HRA
YG3	K01	14.9-15.3	1180	≥90.5
YG3X	K01	15.1-15.4	≥1300	≥91.5
YG6X	K10	14.8-15.1	≥1560	≥91.0
YG6A	K10	14.7-15.1	≥1580	≥91.0
YG6	K20	14.7-15.1	≥1670	≥89.5
YG8	K20-K30	14.6-14.9	≥1840	≥89

tungsten Carbide are not only widely applied in the oil industry, but also used as pivots or detents for gauges, tips for ballpens, button for tracers, ball grinder, bearing, valve ball etc.

Tungsten Carbide valve ball and valve seat
Type	F01	F02	F03	F04	F05	F06	F07	F08
D(mm)	15.88	19.05	23.83	28.58	31.75	34.93	42.88	57.15
H+0.51/-0.25(mm)	12.70	12.70	12.70	12.70	12.70	12.70	12.70	19.05
D1+0.00/-0.41(mm)	19.48	22.66	28.22	33.81	36.09	41.43	48.79	74.93
D2+0.00/-0.127(mm)	20.14	23.32	29.67	35.26	37.54	43.69	51.05	78.03
d±1.27(mm)	11.68	13.97	17.02	20.96	24.38	26.92	33.27	43.18