How does your factory handle quality control?

Quality is priority. We perform random checks during production and 100% checks during packaging according to agreed standards. Our factory is ISO9001 certified and undergoes regular outsourcing checks like SGS.

What are the average lead times?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

What is the maximum pressure and speed for this seal?

The pressure should not surpass 2.5MPa, and the speed can go up to 15 m/s.

50mm Replace to Multi Spring Mechanical Seal Chesterton 891 for Pumps

Name: 50mm Replace to Multi Spring Mechanical Seal Chesterton 891 for Pumps
Brand: Anhui Hengda Mechanical Seal Manufacturing Co., Ltd.
SKU: 2006804592

Anhui, ChinaAnhui Hengda Mechanical Seal Manufacturing Co., Ltd.

US$9.80

5 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Structure

Single End

Pressure

0.8

Model NO.

HM891

Speed

Temperature

-20-180

Performance

0.8

Standard

Type

Chesterton Mechanical Seal 891

Balance

Balanced

Material

Sic/Sic/V

Shaft Size

From 25mm to 100mm

Factor Direct

Yes

Certificate

ISO9001

Leadtime

Fast to Ship

R&D Capability

5 Engineers

Quality Control

100% Control

Non-Standard Customization

Support

Transport Package

Cartons

Specification

Comply with requirements

Trademark

Origin

Fuyang

HS Code

84842000

Production Capacity

100000000PCS/Year

Key features

Direct Replacement for Chesterton 891: HM891 series designed as a direct replacement for Chesterton mechanical seal 891.

Wide Shaft Size Compatibility: Supports full shaft sizes ranging from 25mm to 100mm for versatile application.

Robust Corrosion Resistance: Suitable for clean water, sewage, oil, and moderately corrosive fluids.

Strict Quality Control Standards: ISO9001 certified with 100% inspection during packaging and regular SGS checks.

Professional Manufacturer Since 2001: Established Chinese manufacturer with 5 engineers and strong R&D capability.

Flexible Customization Support: Supports non-standard customization with fast lead times and direct factor options.

Versatile Payment Terms: Accepts T/T, L/C, D/P, Western Union, and Cash for convenient transactions.

Company profile

Full CustomizationQuality AssuranceR&D CapabilitiesManagement Certification

Anhui Hengda Mechanical Seal Manufacturing Co., Ltd.

Anhui, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2009-06-12Nearest Port: shanghaiAverage Response Time: ≤4.77hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, CIF

AI-Powered supplier vetting

SummaryThe supplier demonstrates strong customization and technical design capabilities, including sample-, design-, and full-custom services, private molds, and 3D software design. It holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications and reports quality assurance. However, evidence indicates limited international service infrastructure: no overseas agents, branches, warehouses, showrooms, or overseas service countries, and no offline trade-show participation. Exporting began one year ago, including exports through agents. Production-related documentation is incomplete because manufacturing capacity is not covered by a valid contract with associated subcontractors, although in-stock capacity is available. After-sales controls are weakly documented, with no written complaint-handling procedures or records and no written CAPA records. R&D activity appears limited, with no new products in the past year, no ODM, OEM for popular brands, SDK, or digital-management systems. No Fortune 500 cooperation is...

Supplier typeThe supplier provides professional technical services and supports sample, design, and full customization, but has no overseas agents or branches, overseas warehouse, showroom, or overseas service coverage. Exporting began one year ago, including exports through agents, indicating an export-capable but relatively limited international operating structure.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 management-system certificates. These explicitly demonstrate certification holdings relevant to quality, occupational health and safety, and environmental management.

After-Sales capabilityThe supplier reports no written procedures or records for handling customer complaints, and its corrective and preventive action mechanism has a procedure but no written records. Although quality assurance is stated, the documented after-sales and corrective-action infrastructure is insufficiently evidenced.

R&D capabilityThe supplier has two R&D engineers, private mold capability, professional technical-supplier status, and 3D design services. However, it reports no new products in the past year, no ODM, no SDK, and no digital, big-data, ERP, OA, CRM, or SAP systems, indicating technical design capability but limited demonstrated product innovation and digital innovation infrastructure.

Production capacityThe supplier reports in-stock capacity, 20 qualified service-capability suppliers, and one-month lead times in both peak and off-season, with finished products checked by packing staff. However, there is no valid contract covering manufacturing capacity with associated subcontractors, so production-control strength is mixed and the stated subcontracting arrangement is a clear deficiency.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, and full customization, supported by private mold development and 3D software design services. This provides direct evidence of broad customization capability.

Client casesThe supplier reports no cooperation with Fortune 500 companies and provides no named customer cases. A repeat-buyer preference of 30%–50% is stated, but it does not identify customers or independently demonstrate notable customer references.

Product Q&A

Q:Are you a manufacturer or trading company?

We are a professional mechanical seals manufacturer from China, founded in 2001.

Q:Where is your factory located and how can I visit?

Our factory is located in FUYANG CITY, ANHUI PROVINCE. You can reach us by air to Fuyang Xiguan Airport, or by fast train to Fuyang Xi Station or Linquan station.

Q:What is the order process?

The process includes: a. Inquiry with clear requirements, b. Official quotation, c. Payment terms (LC/TT), d. Mould development, e. Sample confirmation, f. Mass production, g. Shipping with detailed package pictures.

Q:What payment terms do you accept?

We accept T/T, L/C, D/P, Western Union, and Cash.

Q:How can I get samples?

We are honored to offer you samples upon request.