|Place of Origin:||China|
|Minimum Order Quantity:||Negotiable|
|Packaging Details:||Inner packing: wrapped by bubble bag,foam. Outer packing: standard export carton|
|Payment Terms:||L/C, D/A, D/P, T/T, Western Union, MoneyGram|
|Supply Ability:||2000 kilograms per month|
|Material:||Alloy, Tungsten Carbide WC+Co||Pressure:||High Pressure|
|Tolerance:||±0.02 Mm Or As Per Requirement||Product Name:||Cemneted Carbide Valve Seat And Ball|
|Free Sample:||Yes||Surface:||AS PER REQUEST|
tungsten carbide seat,
ball valve seat
High Precision Tungsten Carbide Washers Valve Seat
Valve balls and valve seats are widely used in oil fields , their performance directly affects the use effect and service life of the pumps.
Each ball-and-seat combination is vacuum tested to ensure a perfect seal is obtained in all positions of contact.
For sealing of valves of oil pumps in petroleum industry's sand containing wells, viscous oil wells, sea oil wells,high pressure sulfur resistant oil wells, compatible Cemented Carbide valve seats, etc.Various grades for cemented carbide balls/pellets can be supplied according to customer's drawings.The surface finish,tolerance class and tolerances of dimensions have respectively reached the standards of the machine industry.
|Grade||ISO Code||Chemical Composition(%)||Physical Mechanical Properties (≥)||Application|
|WC||Co||Density g/cm3||Hardness(HRA)||T.R.S N/mm2|
|YG3||K01||97||3||14.90||91.00||1180||Suitable for finishing of cast iron,non-ferrous metals,alloys and non-metallic materials,and semi-finishing vehicles for intermittent cutting.|
|YG6||K10||94||6||15.10||92.00||1420||Finishing of chilled hard alloy cast iron and heat resistant alloy steel and ordinary cast iron.|
|YG6X||K20||94||6||15.10||91.00||1600||Cast iron, non-ferrous metals and alloys, non-metallic materials, medium to cutting, semi-finishing and finishing.|
|YG8||K20-K30||92||8||14.90||90.00||1600||Suitable for casting of cast iron, non-ferrous metals and their alloys and non-metallic materials, roughing of sections and rough cutting.|
|YG10||K40||90||10||14.70||89.00||1900||Suitable for the production of drawing dies, wear parts and stamping parts and cores for hard alloy automatic presses.|
|YG10X||K40||89||10||14.70||89.50||2200||Suitable for small diameter micro drills, end mills, rotary boring tools, etc.|
|YG15||K30||85||15||14.70||87.00||2100||Forging, perforating and stamping tools for steel bars and steel tubes with high compression ratios and working under large stresses.|
|YG20||K30||80||20||13.70||85.50||2500||Stamping die, stamping watch parts, musical instrument spring piece.|
|YG20C||K40||80||20||13.70||82.00||2200||punching battery case, toothpaste skin mold, small size steel ball, screw, nut stamping die, hot rolling twist drill bit plate.|
|YG30||G60||70||30||12.80||82.00||2750||Production of standard parts, bearings, tools and other industries for cold heading, cold punching, cold pressing die.|
Grade and applicaton for valve seat
|Grade||Co (wt%)||Density (g/cm³)||Hardness(HRA)||TRS (≥N/mm²)||Application|
|Grade||Ni (wt%)||Density (g/cm³)||Hardness (HRA)||TRS (≥N/mm²)||Application|
|Seats dimension (mm)|
|Ball dimension (mm)|
Q1: Are you the real reliable factory or just a trader company?
A1: We are the REAL factory located in Zigong ,China, we currently have over than 80 employees.
Q2: There have many companies called they are 'factory', how can I identified the truth?
A2: tips1, Familiar with the processing equipment which are for produce to your required products, and visit their company as well as their processing equipment.
tips-2, Appoint one of your reliable friend who is in China to visit their factory.
tips-3, Check their Certs and proof of its authenticity, instead to only check the PS version superficially.
tips-4, Searching on the Satellite maps to check their location.
tips 5, In fact, almost every company can apply for the Certs, but, only the factory can get the patents (such as: invention patent, utility patent or design patent) for their product, and a small factory or a trading company havn't the R&D support to apply patents.
tip-6, Factory are always available to take the photos at any time during the production process.
Q3: Can you give warranty of your products?
A3: Yes, we 100% satisfaction guarantee on all items. we have the independent inspection Dep.with the complete advanced product quality instrumentation to carry out IQC, PQC & FOC, the detailed inspection pictures and report will be sent to you for confirmation before delivery.
In case there have quality problem, just pls kindly to provide the pictures to show the problem by email,
we will 100% responsible for our problems and to provide the replacements to you at our costs.
Q4: Can we get support if we have our own market position?
A4: Please inform us your detailed mind on your market demand, we will discuss and propose helpful suggestion for you, to find the best solution for you.