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Flange Clamps & O-rings

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  • Chemglass 100MM Stainless Steel Duran Flange

    Chemglass 100MM Stainless Steel Duran Flange

    Chemglass
    CG-141-02
    $205.00
    Made entirely from stainless steel, the Chemglass clamp has three sections that firmly hold reaction vessel and lid together. Quick release mechanism has a screw adjustment for tensio
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  • Chemglass 150MM Stainless Steel Duran Flange

    Chemglass 150MM Stainless Steel Duran Flange

    Chemglass
    CG-141-04
    $175.00
    Made entirely from stainless steel, the clamp has three sections that firmly hold reaction vessel and lid together. Quick release mechanism has a screw adjustment for tension applied
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  • Chemglass 100MM FEP-Silicone O-ring

    Chemglass 100MM FEP-Silicone O-ring

    Chemglass
    CG-147-41
    $60.48
    Chemglass FEP Encapsulated Silicone O Ring: -62 to 205°C
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Flange Clamps and O-Rings From USA Lab

Secure, Leak-Free Seals for Glass Reactor Systems

Reliable sealing is crucial for safe and efficient laboratory operations, particularly when handling pressurized or vacuum glassware. USA Lab offers Chemglass stainless steel flange clamps and matching FEP-encapsulated silicone O-rings, designed for precise and durable connections between flanges and reactor vessels. Each component provides a tight, chemical-resistant seal that withstands repeated use in demanding environments.

Safe, Sealed Connections

Durable Stainless Steel

Precision-machined clamps hold flanged glass joints securely without stressing the glass.

FEP-Encapsulated O-Rings

Offer excellent chemical resistance and long-lasting flexibility in both vacuum and high-heat environments.

Compatibility

Sized specifically for 100 mm and 150 mm glass flange systems.

Compare Flange Clamps and O-Rings

Product Size Features
Chemglass Stainless Steel Duran Flange 100 mm

150 mm		 Stainless steel construction, precision fit for flanges
Chemglass FEP/Silicone O-Ring 100 mm

150 mm		 FEP-coated silicone, chemical-resistant, flexible seal

Ready to Install and Maintain

  • Quick assembly — Clamps tighten evenly for secure, stress-free sealing.
  • Reusable components — Both O-rings and clamps can be used repeatedly with proper care and maintenance.
  • Easy inspection — Smooth surfaces and clear sizing make replacements straightforward.
  • Corrosion-resistant design — Withstands moisture, solvents, and reactive compounds.

Match the Right Flange Clamp or O-Ring to Your Work

  • Working with a 100 mm reactor? → Pair the 100 mm clamp with its matching FEP/silicone O-ring.
  • Sealing a larger 150 mm system? → Choose the 150 mm flange and O-ring combo.
  • Handling solvents or corrosive chemicals? → Always use FEP-encapsulated silicone O-rings for maximum resistance.

Why Choose USA Lab Flange Clamps and O-Rings

  1. Trusted Chemglass quality for glass systems.
  2. Full range of sizes for reactors and vessels up to 150 mm.
  3. Fast U.S. shipping and technical support from USA Lab.

Equipment That Works With Your Flange Clamps and O-Rings

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