What is the hardness of the tungsten carbide rings?

The hardness ranges from HRA 87 to 89.

What is the diameter tolerance?

The diameter tolerance is 0/-0.005.

Which industries use these mechanical seals?

They are widely used in the oil and gas industry, milling, and crushing industries.

Multi-Step Diameter 69 and 92mm Cemented Carbide Sealing Ring

Name: Multi-Step Diameter 69 and 92mm Cemented Carbide Sealing Ring
Brand: Zhuzhou Miller Cemented Carbide Co., Ltd
SKU: 2204727805

Hunan, ChinaZhuzhou Miller Cemented Carbide Co., Ltd

US$15.00-100.00

5 Pairs

Product profile

Customization

Available

Standard

DIN

Application

Oil and Gas Industry

Model NO.

D=69 and 92

Material

Carbide Powder and Nickel or Cobolt Binder

Type

Stationary Seal Face/Ring, Rotating Seal Face/Ring

Compositions

Wc 94%+Ni6%

Grain Size

1.2-1.6μm

Density

14.70-14.8g/Cm³

Hardness

Hra87-89

Trs

≥2500MPa

Equipment

Centrifugal Pumps, Reactors, and Compressors.

Finish

Sintered, Finished Standard, and Mirror Lapping

Feature

Little Loss of Fluids, Longer Service Life

Diameter Tolerance

0/-0.005

Light Strip

Zero to Three

Silicon Carbide Ring

Supply

Leaked

No Steam, Water or Oil Leakage

Customized

Yes

Transport Package

Standard Export Carton

Specification

OD ≤ 800mm X ID ≤ 700 mm X H ≤ 400mm

Trademark

Miller ™

Origin

Zhuzhou, China

HS Code

84819000

Production Capacity

10000piece/Month

Key features

Customized Tungsten Carbide Seal: Factory offers full customization for various pump types including sewage, mine drainage, and centrifugal pumps.

High Performance in Harsh Environments: Withstands high temperature, high pressure, and highly corrosive chemical attacks in acidic environments.

Superior Sealing Efficiency: Ensures no steam, water, or oil leakage with little loss of fluids and longer service life.

Precision Light Strip Control: Miller's solution ensures flatness with a light strip of zero to three for optimal sealing.

Wide Application Scope: Suitable for centrifugal pumps, reactors, compressors, centrifuges, slurry pumps, and mud pumps.

DIN Standard Compliance: Manufactured according to DIN standards with specific grain size and density parameters.

Complete Manufacturing Process: Integrates R&D, production, sales, and technology with mold and OEM customization capabilities.

100% Quality Inspection: All finished products undergo visual inspection with traceability of raw materials.

Company profile

Patents AwardedQuality AssuranceRaw-Materials TraceabilityR&D Capabilities

Zhuzhou Miller Cemented Carbide Co., Ltd

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Designs, Full Customization CertifiedExport Year: 5 Years CertifiedNearest Port: Guangzhou Port; Shenzhen Port; Shanghai PortAverage Response Time: ≤2.12h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryZHUZHOU MILLER CEMENTED CARBIDE CO., LTD is identified as a professional technical supplier offering design-based and full customization, with raw-material traceability, 100% finished-product inspection, documented inspection instructions, and stated quality assurance. It has inventory capability and accepts multiple service quotation and payment terms. However, the evidence shows no 3D software design, ODM, SDK, overseas agents or branches, overseas warehouse, overseas showroom, or offline trade-show participation. There is no valid manufacturing-capacity contract with associated subcontractors, and no written corrective-action or customer-complaint procedures. Innovation evidence is weak because no new products were reported in the past year. Financial records are referenced for prior years, but the slices do not provide sufficient evidence to assess financial credibility. A buyer associated with the supplier and product transaction records are shown, but no detailed performance outcomes are provided.

Supplier typeThe supplier is explicitly described as a professional technical supplier and is identified as ZHUZHOU MILLER CEMENTED CARBIDE CO., LTD, with carbide cutting-ring and wearing-insert products listed. This supports classification as a specialized carbide-product supplier.

After-Sales capabilityThe supplier has no overseas agents or branches, overseas warehouse, or overseas showroom, and reports no written procedures or records for handling customer complaints. These are explicit limitations in after-sales support capability.

R&D capabilityThe supplier has R&D capability as a professional technical supplier and offers customization from designs and full customization, but reports no new products in the past year and does not provide ODM or SDK services. The evidence indicates limited demonstrated innovation output.

Production capacityProduction-related evidence includes Ball Mill, VMS, Pressing Machine, and Grinder equipment, 100% finished-product inspection, raw-material traceability, inventory capability, a stated one-month peak-season lead time and off-season lead time within 15 working days. However, no valid manufacturing-capacity contract exists with associated subcontractors, creating a documented production-management deficiency.

Customization capabilityThe supplier explicitly provides customization from designs and full customization, and this capability is consistently stated across the R&D and quality-related slices. The supplier therefore demonstrates a clear customization offering, although 3D software design is not provided.

Client casesThe supplier records associate it with SCHWING STETTER INDIA PRIVATE LIMITED and show carbide cutting-ring and wearing-insert transactions, with India listed as the import country and Shanghai as the shipment origin port. These records demonstrate an identifiable customer case, but do not provide delivery, quality, repeat-order, or satisfaction outcomes.