Stellite valve ball and seat are very important parts of underground oil-well pump , they always show up together and cooperate very good , no better material can replace stellite now .
The valve balls are made of Stellite 20 and valve seat are made of stellite 3 . They are a good team to resist the wear and corrosion issue in oil and gas pimping process .
What`s the Material of Our Valve Balls ?
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What`s the Dimension of Our Valve Balls ?
API Standard Valve Balls
| Dimensionl Symbol |
Part Number |
| V11-106 |
V11-125 |
V11-150 |
V11-175 |
V11-200 |
V11-225 |
V11-250 |
V11-375 |
| D See Note Below |
0.625
(15.88)
|
0.750
(19.05)
|
0.938
(23.83)
|
1.125
(28.58)
|
1.250
(31.75)
|
1.375
(34.93)
|
1.688
(42.88)
|
2.250
(57.15)
|
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 seats?
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 seats?
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 seats?
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.