High quality Crude oil pump extraction used Cobalt Based Alloy stellite valve ball valve ball

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Product Overview




What`s the Material of Our Valve Balls ?


PM technology drawing made Cobalt Based Alloy API valve pair seat and ball



What`s the Dimension of Our Valve Balls ?


API Standard Valve Balls

Dimensionl SymbolPart Number
D  See Note         Below


















Additional ball specifications : Ball roundness range to be 0.0001 in .(0.003mm),maximum; ball surface roughness :5RA ,maximum ;ball OD tolerance shall be ±0.001 in .(±0.025mm) for all balls less than 2- inch diameter and ±0.002 in .(± 0.050mm) for all balls 2 inches diameter and over



Q1: Are you a manufacturer or a trading company?

A1: We are the manufacturer located in the north of China with 15 years producing experience and

       10 years exporting experience. 

Q2: What's the material of your valve balls?

A2:  It's the CoCrW alloy, which is usually called stellite alloy.

Q3: What's the stellite alloy?

A3:  It is a range of cobalt-chromium alloys designed for wear resistance, heat resistance and

        corrosion resistance.

Q4: What's the lead time of valve balls?

A4:  15-30 days depending on the order quantity.

Q5: What's the tolerance and surface finish we can control?

A5: As your demand. 

Q6: How do we deliver the valve balls?

A6: We are the VIP customer of DHL express, having good discounts.

Q7: MOQ?

A7: 5pcs

Q8: Why I choose your company?

A8: We are professional. We are reliable. We are easy communication.

Your feedback is our best honor, please do not hesitate to give us your valuable feedback and we'll prove that we deserve your fully trust.




0.0222 s.