Tungsten Steel Valve Parts Wear-Resistant Carbide Seat with Coating Factory Supply
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Product Highlights
- High Hardness & Wear Resistance: WC92%+Co8% grade offers exceptional abrasion resistance for harsh petroleum environments.
- Mirror Smoothness: High precision deep processing achieves mirror smoothness up to R0.4 for perfect sealing.
- Customization Capability: Sizes and grades can be customized based on drawings or samples by experienced technical team.
- ISO Certified Manufacturer: Professional manufacturer since 2008 with ISO certification and 15 years technical experience.
- 100% Quality Inspection: Independent inspection department performs IQC, PQC, and FOC with detailed reports before delivery.
- Virgin Raw Materials: All products are made of virgin raw materials, ensuring no recycled materials are used.
- Fast Delivery for Stock Items: Shipment arranged within 3-5 working days for stocked sintered blanks upon payment receipt.
- Satisfaction Guarantee: 100% satisfaction guarantee with free replacements at our costs for any quality problems.
Product Attributes
- Customization
- Available
- Certification
- ISO
- Surface Treatment
- Polished
- Temperature
- High Temperature
- Pressure
- High Pressure
- Material
- Tungsten Carbide & Cobalt
- Type
- Wc92%+Co8%
- Main Material
- Tungsten Carbide Mc8
- Grain Size
- 1.2-1.6 μm
- Density
- 14.7-14.78g/Cm³
- Hardness
- 89.5-90.5hra
- Trs
- >2300MPa
- Sizes in Stock
- Ball: 1/2"- 4-1/4"; Seat: 1-1/16"- 5-3/4"
- Application
- Oil Sealing
- Transport Package
- Standard Export Carton
- Specification
- Custom Service Available
- Trademark
- Miller ™
- Origin
- Zhuzhou, China
- Package Size
- 19.00cm * 16.00cm * 10.00cm
- Package Gross Weight
- 3.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Tungsten Steel Valve Parts Wear-Resistant Carbide Seat with Coating Factory Supply
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Product Description
Miller supplies tungsten carbide balls, whose main characteristic is the very high hardness with consequent remarkable resistance to abrasion, tungsten carbide balls are normally used in special applications such as
Valves: The excellent wear and abrasion resistant properties of tungsten carbide balls are ideal for almost any valve application. Tungsten carbide valve balls and seats are evolved from the traditional cock valve. Its opening and closing parts are a sphere. The purpose of opening and closing is achieved by the sphere around the axis of the valve stem. They are widely used for sealing valves of oil pumps in petroleum drill and exploitation equipment and they are also one of the key components of the pump. Because of the harsh working environment and conditions in the petroleum drilling industry, it requires the valve balls and seats to have good sealing, wear resistance and corrosion resistance.
Miller is an ISO certified professional manufacturer for tungsten carbide valve balls & seats since 2008, and uniquely positioned to help you identify and source the correct carbide valve balls & seats for your application. They have high hardness, good resistance to wear and corrosion. The high precision deep processing, makes them perfect matching, and smoothness can reach mirror R0.4. Sizes could be customized, as we have a group of experienced technical personnel, advanced mould production equipments to realize your customization by drawing and sample.


Specifications of V11 Valve Ball and Seat
| Model/Item | V11-106 | V11-125 | V11-150 | V11-175 | V11-200 | V11-225 | V11-250 | V11-375 |
Ball-D +0.020/-0.010 (+0.51/-0.25) |
15.88 (0.625in) |
19.05 (0.75in) |
23.83 (0.938in) |
28.58 (1.125in) |
31.75 (1.25in) |
34.93 (1.375in) |
42.88 (1.688in) |
57.15 (2.25in) |
Seat-ID ±0.050(±1.27) |
11.68 (0.46in) |
13.97 (0.55in) |
17.02 (0.67in) |
20.96 (0.825in) |
24.38 (0.96in) |
26.92 (1.06in) |
33.27 (1.31in) |
43.18 (1.7in) |
Seat-OD +0.000/-0.005 (+0.00/-0.13) |
20.14 (0.793in) |
23.32 (0.918in) |
29.67 (1.168in) |
35.26 (1.388in) |
37.54 (1.478in) |
43.69 (1.72in) |
51.05 (2.01in) |
78.03 (3.072in) |
Seat-H +0.020/-0.010 (+0.51/-0.25) |
12.70 (0.500in) |
12.70 (0.500in) |
12.70 (0.500in) |
12.70 (0.500in) |
12.70 (0.500in) |
12.70 (0.500in) |
12.70 (0.500in) |
19.05 (0.750in) |
Grade: Miller manufactured 4 main grade ( chemical composition) of carbide balls
1. WC92% + 8% Co (In request of more wear-resistance, we suggest to use WC-Co grades. )
2. WC92% + 8% Ni (In most corrosion-wear situations, an optimum choice is the WC-Ni grades, which are resistant down to pH 2 to 3.)
3. W85%-97%+Ni+Fe Tungsten balls (Density 15.5-18.5g/cm3, mostly are used in the field of shots and counterweight. such as the fish pendant, Oil drilling balance,Ball valves and bearings, Shotgun bullet, Armor-piercing bullet…)
4. W99.95% Pure tungsten balls (Density 19.0-19.2g/cm3, mostly are used in Aerospace, aviation, electrical Instrumentation, laboratory…)
Miller Carbide is an experienced manufacturer of tungsten carbide customized parts started from 2008. Our products cover carbide grinding jars & mortars, carbide grinding balls, carbide pegs, carbide static & dynamic rings, bead mill disks, carbide stirring rods, carbide static & dynamic jaws, carbide crusher plates, carbide grinding discs, carbide rotors, carbide roll rings, carbide guide rolls, carbide burrs, carbide sleeves & bushings, and other customized wear-resistant components for valve and pumps ect. With years of tungsten carbide engineering and manufacturing experience, we can concentrate our skills to the development of customized products for a wide spread of wear applications in milling & crushing industry.
Unlike other suppliers, Miller operates with three disciplines: Engineering, manufacturing and after sale service support. This means we are able to improve the efficiency of your machine and tools with customized products and direct access to the manufacturer. Miller Carbide works closely with its customers to ensure their requirements are designed efficiently and suitable for application. We can design the components needed from drawings or delivered samples.
We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. We are sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with an irresistible force.

We Offer You These
| Direct Sales Integrating R&D, production sales and technology |
Mold customization Rich molds OEM customization accepted |
Adequate equipment grinding/pressing sintering/deep processing |
Technical strength 15 years of experience in technical team, research & innovation |
1. How long is your delivery time?
We can arrange the shipment within 3-5 working days upon receipt of your payment for any sintered blanks stocked items. As for the mass production order or the customized products, we will need 10-30 days production leadtime and indicate the delivery time on the Proforma lnvoice.
Contact us now! Get your free quote!
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI239982". Items marked "" are certified.
Company Profile
Miller Carbide is an experienced manufacturer of tungsten carbide customized parts started from 2008. Our products cover carbide grinding jars & bowls & mortars, carbide grinding balls, carbide pegs, carbide static & dynamic rings, bead mill disks, carbide stirring rods, carbide static & dynamic jaws, carbide crusher plates, carbide grinding discs, carbide rotors, carbide roll rings, carbide guide rolls, carbide inserts, carbide burrs, carbide sleeves & bushings, and other customized wear-resistant components for valve and pumps ect. With years of tungsten carbide engineering and manufacturing experience, we can concentrate our skills to the development of customized products for a wide spread of wear applications in milling & crushing industry.
Unlike other suppliers, Miller operates with three disciplines: Engineering, manufacturing and after sale service support. This means we are able to improve the efficiency of your machine and tools with customized products and direct access to the manufacturer. Miller Carbide works closely with its customers to ensure their requirements are designed efficiently and suitable for application. We can design the components needed from drawings or delivered samples.
We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. We are sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with an irresistible force.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Auto Parts Industrial Park, Area C Building 7, Zhongda Road, Zhuzhou, Hunan, China
-
Plant Area
- 800 square meters
-
Number of Employees
- 16
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Guangzhou Port; Shenzhen Port; Shanghai Port
-
Minimum Order Quantity
- 10 Pcs
-
Supply Chain Partners
- 7
Our Production Capability & Technical Expertise
-
Main Products
- carbide ball, carbide rings, Tic Roller, TC roller, tungsten carbide rod, carbide plate, carbide bushing, TC peg, carbide wear plate, carbide cutting ring, carbide inserts, carbide grinding jars
-
Production Lines
- 1
-
Production Machines
- Ball Mill, VMS, Pressing Machine, Grinder
-
QA/QC inspectors
- 1 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Designs, Full Customization
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2018-07-05
-
Export Year
- 5 Years
-
Main Markets
- North America, South America, Europe
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- How long is your delivery time?
- We can arrange shipment within 3-5 working days for stocked items. For mass production or customized products, lead time is 10-30 days.
- Can I get a free sample for quality checking?
- Yes, we offer free samples if in stock, with freight collected. For special or non-standard shapes, we charge only basic production costs.
- What grade should I choose for the product?
- Please provide usage information, and our technical team will suggest the most suitable grade, such as WC-Co for wear resistance or WC-Ni for corrosion resistance.
- Do you use recycled materials?
- No, we insist on quality first. All products are made of virgin raw materials.
- What is the MOQ for customized items?
- For customized items, we quote the MOQ individually. For standard items in stock, there is no limitation on MOQ.
- Can you make goods according to my sample or drawing?
- Yes, we have experienced technical personnel and advanced mold production equipment to realize customization by drawing and sample.
- Do you offer a warranty for your products?
- Yes, we provide a 100% satisfaction guarantee. If there are quality problems, we provide replacements at our costs.
- Can I negotiate the prices?
- Yes, we can consider discounts for bulk orders.
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