Maple

Reliable Flange Isolation Corrosion Protection

The Northbound Maple is our premium phenolic isolating gasket, engineered to deliver electrical isolation and corrosion resistance in pipeline systems.

The Maple family comes in three different styles. Elastomer coated, Noncoated and Type D, designed specifically for ring-type-joint (RTJ) flanges.

 Ideal for pipelines transporting natural gas, oil, and hydrocarbons, the Maple performs reliably at operating temperatures up to 220°F (104°C).

Key Features

  • High-weave phenolic fabric construction for exceptional strength and durability

  • Available with elastomer coated retainer or plain core, tailored to your application and pipeline standards

  • Compatible with flat face and raised face flanges

  • Sizes: ½″ through 24″ (ANSI, API, and DN equivalents)

  • Pressure classes: ANSI 150–300#, PN 20–50

Maple RTJ Ring Isolation Gaskets

Precision-engineered Type D RTJ ring isolation gaskets, designed specifically for ring-type-joint (RTJ) flanges.

  • Manufactured from high-weave fabric-reinforced phenolic or NEMA-grade glass-reinforced epoxy (GRE)

  • Fully compliant with ASME/ANSI B16.20 and API standards

  • Available in oval and octagonal shapes

Protect your pipeline infrastructure with the trusted performance of Northbound Maple isolating gaskets. Contact us today for custom solutions and quotes.

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