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Five black rectangular Viton O-rings in a pack

Zoro Select

Zoro Select Square Profile Viton O-Ring Dash 218 PK5

SKU CH-PJWB-EJHAW

Viton square-profile O-ring, dash 218, 1.2 in ID, 75A durometer, rated to 400 °F, pack of five

  • Viton material resists chemicals and heat up to 400°F
  • Square rectangular cross-section improves sealing stability in grooves
  • FDA approved for food and pharmaceutical contact applications
  • Medium-hard 75A durometer balances compression set resistance with flexibility
  • Dash 218 size fits 1.2 in ID and 1.512 in OD dimensions

Square Profile Viton O-Ring Dash 218

This five-pack supplies square-profile Viton O-rings sized to Dash 218 for sealing tasks that demand chemical resistance. The rectangular cross-section sits flat in grooves where round rings can roll or twist. Buyers needing metric-dimension seals or non-Viton compounds will need a different part number.

Medium-hard 75A durometer holds shape under steady

The material rates 75A on the durometer scale, so the ring resists extrusion when clamp load stays constant for long periods. Operating range spans -15 to 400 degrees F, letting the seal survive sustained heat cycles without permanent set. Applications that exceed 400 degrees F or require softer conformity should select another compound.

FDA-approved black Viton

Each ring measures 1.2 in actual inside diameter, 0.139 in actual width and 1.512 in actual outside diameter. The black Viton body carries FDA approval and a metal-detectable filler, yet it is not X-ray detectable. Food-process lines that mandate X-ray inspection or a different colour code must source an alternative seal.

Highlights

  • Viton material resists chemicals and heat up to 400°F
  • Square rectangular cross-section improves sealing stability in grooves
  • FDA approved for food and pharmaceutical contact applications
  • Medium-hard 75A durometer balances compression set resistance with flexibility
  • Dash 218 size fits 1.2 in ID and 1.512 in OD dimensions

Specifications

BrandZORO SELECT

Questions about this item

How much heat can the Viton O-ring with dash number 218 withstand during continuous operation?

The Viton material handles temperatures from -15 °F up to 400 °F, so it remains stable in sustained high-heat service.

What groove dimensions must already exist for this square-profile O-ring to seal correctly?

The groove needs a 1.2 in inside diameter, 0.139 in width and 1.512 in outside diameter to match the actual ring dimensions.

Will this dash 218 Viton ring work in the same gland as older round-cross-section O-rings of the same dash size?

No, the rectangular cross-section requires a square-profile gland; a round-groove gland will not seal properly with this ring.

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