• Poppet opens into tank to prevent leakage from surges or from overturned tank. 7.354 square inches of flow area.
  • Hard anodized aluminum hood and low profile.
  • Tapered seat design with Viton O-ring seal provides leak tight seal.
  • SS spring, screws, bolts, and nuts resists corrosion.
  • 1/4" NPT external pneumatic connection.
Unit of Measure

Specifications

Brands

N/A Seal Fast

Style

N/A TTMA

Size

N/A 3 in

Connection

N/A 1/4 in. NPT

Material

N/A Aluminum

Seal Material

N/A Fluorocarbon (FKM)

Vent

N/A 3 in

Flow Area

N/A 7.354 in²

Man Hole Cover Diameter

N/A 20 in

Additional Information

Additional Information

N/A
  • P/N: 820P Installs easily off-set in 20" manhole or separate
  • 3" TTMA size mounting ring.