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Precision Sealing & Pump Components

Manufacturer of high-performance tank container seals, ceramic pump parts, and braided gland packings for industrial applications worldwide.

Ningbo DPM Factory

About NINGBO DPM FLUID TECHNOLOGY CO. LTD

Ningbo DPM Fluid Technology Co. Ltd is an engineering company specializing in the design and manufacture of high-performance sealing solutions and pump components for industrial applications.

With dual manufacturing facilities in Ningbo, Zhejiang and Anhui, we deliver precision-engineered products including tank container spare parts, ceramic mechanical seals, and braided packings trusted by clients globally.

2

Manufacturing Facilities

17+

Product Lines

Our Core Product Lines

Engineered for durability, chemical resistance, and extreme conditions — trusted in petrochemical, pharmaceutical, and bulk transport industries.

PTFE Braided Manlid Seal

PTFE Braided Manlid Seal

Model: GP5244

Chemically inert, high-temperature resistant seal for tank containers. Ideal for aggressive media and high-pressure environments.

PTFE/EPDM Super Tank Manlid Seal

PTFE/EPDM Super Tank Manlid Seal

Model: SG6020

Dual-material construction combining PTFE’s chemical resistance with EPDM’s elasticity for superior sealing performance.

FEP Encapsulated O Rings

FEP Encapsulated O Rings

Model: SG7010

All-media resistance with elastomeric core. Suitable for aggressive chemicals and high-purity applications.

CNAF/PTFE Envelope Flange Gasket

CNAF/PTFE Envelope Flange Gasket

Model: SG7030

High-integrity sealing for flanged connections. Resistant to corrosion, creep, and thermal cycling.

FEP/PFA Encapsulated Manlid Seal

FEP/PFA Encapsulated Manlid Seal

Model: SG6030

Advanced fluoropolymer seal offering maximum chemical compatibility and long service life.

Silicon Carbide Mechanical Seal Rings

Silicon Carbide Mechanical Seal Rings

Model: MS2010

Self-sintered SiC components for pumps and rotating equipment. Exceptional wear and corrosion resistance.

Tungsten Carbide Mechanical Seal Rings

Tungsten Carbide Seal Rings & Bearings

Model: MS2020

High hardness and thermal conductivity. Ideal for high-load, high-speed pump applications.

Carbon Graphite Mechanical Seal Rings

Carbon Graphite Seal Rings & Bearings

Model: MS2030

Self-lubricating, thermally stable components for mechanical seals in harsh environments.

Die Formed Packing Rings

Die Formed Packing Rings

Precision-molded rings for consistent performance in valve and pump stuffing boxes.

Virgin PTFE Valve Seat

Virgin PTFE Valve Seat

Model: SG7020

Ultra-pure, non-contaminating seat material for critical process control valves.

Manlid Rubber Sealing Gasket

Manlid Rubber Sealing Gasket

Model: SG6010 Series

Elastomeric gaskets for standard tank container manways. Reliable sealing under compression.

Single or Dual Cartridge Mechanical Seals

Single or Dual Cartridge Mechanical Seals

Complete sealing systems for centrifugal pumps. Pre-assembled for easy installation and maintenance.

Why Choose DPM-Seal?

Engineered for performance, reliability, and global compliance.

1

Dual Manufacturing Facilities

Production in both Ningbo and Anhui ensures scalability, redundancy, and specialized expertise in sealing and ceramic components.

2

Self-Sintered Silicon Carbide

We produce our own SiC materials, ensuring full control over quality, purity, and mechanical properties for superior seal performance.

3

Global Industrial Compliance

Our products meet international standards for chemical resistance, pressure ratings, and safety in tank container and pump applications.

15+
Years Experience
50+
Global Clients
17
Product Lines
2
Factories

Frequently Asked Questions

What materials are used in your tank container manlid seals?

We use PTFE, FEP, PFA, EPDM, and CNAF materials depending on the chemical compatibility and temperature requirements. Our seals combine fluoropolymers with elastomeric cores for optimal sealing performance.

Do you manufacture your own silicon carbide components?

Yes, our Anhui facility produces self-sintered silicon carbide mechanical seal rings and bearings, allowing us full control over material quality and performance characteristics.

Can you customize sealing solutions for specific applications?

Absolutely. We offer custom engineering services to develop seals and packings tailored to your equipment, media, pressure, and temperature conditions.

What industries do you serve?

Our products are used in chemical processing, pharmaceuticals, food & beverage, oil & gas, and bulk liquid transportation via tank containers.

Are your products compliant with international standards?

Yes, our sealing solutions meet relevant ISO, DIN, and ASTM standards for performance, safety, and material purity in industrial applications.

Get in Touch

For product inquiries, technical support, or custom solutions, contact us directly.

Company: NINGBO DPM FLUID TECHNOLOGY CO. LTD

Contact: Mr. Peter Cui

Phone: +86-574-88370866

Mobile: 139 6784 8363

Email: [email protected]

Location: Tourism Resort Area Dongqian Lake, Ningbo, Zhejiang, China

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