Can I obtain samples before placing an order?

Yes, we are honored to offer you samples for confirmation after sample production is completed.

What types of fluids can this seal handle?

It is suitable for clean water, sewage water, oil, and other moderately corrosive fluids.

High-Precision M78n Seal-304 Spring for Low-Medium Pressure Pumps

Name: High-Precision M78n Seal-304 Spring for Low-Medium Pressure Pumps
Brand: Anhui Hengda Mechanical Seal Manufacturing Co., Ltd.
SKU: 2252177425

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

US$9.80

10 Sets

Product specifications

1

Product profile

Customization

Available

Structure

Single End

Pressure

Medium Pressure Mechanical Seals

Model NO.

M78N

Speed

High-Speed Mechanical Seal

Temperature

Temperature Mechanical Seal

Performance

Temperature

Standard

Type

Balance

Unbalanced

Quality Control

100% Control

Certificate

ISO9001

Factory-Direct/Manufacturer

Manufacturer

Leadtime

Fast to Ship

Transport Package

Cartons Box

Trademark

Origin

Anhui

Production Capacity

5000

Key features

Premium Material Construction: Features Silicon Carbide, Carbon, and TC rings with NBR/EPDM/FKM seals.

100% Quality Control: Ensures strict quality through random production checks and 100% packaging inspection.

ISO9001 Certified Manufacturer: Professional factory established in 2000 with regular outsourced inspections like SGS.

Fast Shipping & Large Stock: Maintains large quantity stocks for fast shipping, with lead times within 15-30 days.

Versatile Application Range: Suitable for clean water, sewage, oil, and other moderately corrosive fluids.

Direct Manufacturer Advantage: Factory-direct pricing with 20-year experience in OEM & ODM services.

Flexible 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: ≤4.61hTerms 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 a trading company?

We are a professional manufacturer of mechanical seals from China, established in 2000.

Q:What materials are used for the seal rings?

Stationary and Rotary rings are made of Silicon Carbide, Carbon, or TC. Secondary seals use NBR, EPDM, or FKM.

Q:What are the payment terms?

We accept T/T, L/C, D/P, Western Union, and Cash. Standard terms include T/T 30% deposit and balance against B/L copy.

Q:How do you handle quality control?

We conduct random checks during production and 100% checks during packaging. Our factory is ISO9001 certified and undergoes regular outsourced inspections.

Q:What is the lead time for orders?

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