Product Specifications

The LVS Sup-R-Seal Model ES is an API-6D certified, through-conduit expanding gate valve designed for liquid or gas pipeline usage.

Key Advantages

  • Custom Packing Set Design

  • Dual Sealing Replaceable Seats

  • Double Block & Bleed Capability

  • Manageable Factory & Stock Deliveries

  • Varied Operator Options

    Handwheel, Bevel Gear, MOV


  • Liquid and Slurry Piping Systems

  • Crude Oil

  • Natural Gas Liquids Transport

  • Refined Products

  • Storage Tanks

The Sup-R-Seal gate valve and its parts are entirely designed and manufactured in the United States. The valves are completely assembled and tested at our facility by skilled technicians. We can provide them as manually operated, bare stem, or with any specific type of actuation.

Customizations Options

Features include; in-line repair, gate centralizer, through-conduit design, customized operating, internal valve trim.

The valves can be furnished with different types of internal trim and seals to accommodate varied service media, temperatures, or particular customer requirements.

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Accepted by Approved Manufacturer’s Lists

The LVS Sup-R- Seal is accepted by several major pipeline companies and can be found on their Approved Manufacturer Lists.

Contact one of our SRS experts to discover more. All of our Sup-R- Seal valves are fully tested to API-6D specifications as standard practice but we can accommodate any customer specific testing procedures/media required. A complete data packet can be made available with all of the pertinent paperwork (test report, mtr’s, test charts, etc).

Sizes range from 4” to 30” with ANSI pressure classes of  300, 600, & 900 (not all classes apply to every size).

See ‘Flyer’ for detailed information on this product.

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Our staff is ready & waiting to respond to any of your inquiries.
Please feel free to contact us in the way that’s most convenient for you.