Precision mechanical seal
    High Performance Replacement Seals

    Industrial Mechanical Seals You Can Trust

    From paper pulp to petrochemical — high-performance seals for pumps, mixers, compressors and more. Backed by decades of engineering expertise.

    40+
    Product Families
    125+
    Seal Variants
    8
    Categories
    12+
    Industries Served
    Industry-Leading Expertise

    Your Trusted Partner in Dry Gas Seals

    Astra Seal engineers precision dry gas seals for compressors, pumps, mixers, and cryogenic equipment — delivering zero-emission, non-contacting sealing solutions trusted across oil & gas, petrochemical, and process industries worldwide.

    4
    DGS Categories
    20+
    DGS Models
    435
    Bar Max Pressure
    DGS for Compressors

    DGS for Compressors

    Design, Production, Testing & Delivery Procedures

    From inquiry to delivery — our streamlined process ensures precision engineering at every step.

    01

    Submit Requirements

    Give us your DGS requirements, with either the assembly drawing of your original seal, or the sealing chamber drawing with installation dimensions, along with operating conditions such as medium, shaft speed, operating temperature, and operating pressure.

    02

    Quotation & Invoice

    We will quote based on your inquiry and issue the invoice for the project.

    03

    Design & Approval

    Start the design work and submit to clients for approval or possible design dimension tweaks.

    04

    Production

    Start the production.

    05

    Inspection & Balancing

    All parts inspected with dimension check and rotary parts dynamically balanced.

    06

    Testing & Delivery

    Static and running tests. Packing and delivery.

    Product Categories

    Explore our comprehensive range of mechanical seals, organized by application and type.

    Browse by Pump Brand

    Find the right seal by selecting your pump manufacturer. We supply compatible seals for all major OEM brands.

    Select a pump brand above to see compatible seal solutions

    Seals For What Devices

    Find the right mechanical seal by selecting your device or equipment type — from pumps and compressors to mixers, blowers and more.

    Select a device type above to explore compatible sealing solutions

    Browse by Industry

    Every industry has unique sealing challenges. Find solutions tailored to your application and operating conditions.

    Select an industry above to explore relevant seal solutions

    Custom Engineering

    Need a Custom Seal?

    Our seals can be customized with different material combinations to meet your specific operating parameters — pressure, temperature, speed, and chemical compatibility. Whether you need a unique face material, special elastomers, or non-standard dimensions, our engineering team is ready to help.

    • Custom material combinations for extreme conditions
    • Non-standard dimensions and configurations
    • OEM replacement seals for any pump brand
    • Technical consultation and seal selection support
    500+
    Custom Projects
    24hr
    Response Time
    100%
    Material Flexibility
    15+
    Years Experience

    Engineering Excellence in Every Seal

    Astra Mechanical Seals provides high-performance sealing solutions for the most demanding industrial applications. Our product range covers spring pusher seals, mixer seals, dry gas seals, bellow seals and specialized solutions for paper & pulp, slurry, and chemical processing.

    Each seal is available in multiple material configurations — from Silicon Carbide and Tungsten Carbide faces to EPDM, Viton and FFKM elastomers — ensuring the perfect match for your operating conditions and media.

    Industrial Grade

    Every seal meets the highest industry standards including DIN, ISO, API and EN specifications.

    Proven Reliability

    Trusted across paper & pulp, petrochemical, mining, food processing and power generation industries.

    Global Reach

    Supporting operations worldwide with engineering seals for the most demanding applications.

    Expert Support

    Technical assistance from experienced engineers to help you select the right seal for your application.

    Get in Touch

    Need help selecting the right seal? Our engineers are ready to assist you with technical specifications and custom solutions.

    Email

    contact@astraseals.com

    Phone

    +1 (346) 449-4355

    Location

    Houston, Texas 77450

    Available Worldwide