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Black polypropylene bulkhead tank flange with four bolt holes

Banjo

Banjo BF075 3/4" FNPT Bolted Bulkhead Tank Flange Trap

SKU CH-689E-PG7NS MPN BF075

Connects tanks with a glass-reinforced polypropylene flange rated to 150 psi and 150 °F

  • TypeDrain Components
  • 3/4" FNPT female threads simplify tank connections
  • Bolted four-hole flange secures fitting to curved or flat tanks
  • Glass-reinforced polypropylene resists corrosion and chemical attack
  • EPDM gasket seals reliably from -20 °F to 150 °F
  • Rated for 150 psi maximum operating pressure

3/4" FNPT Bulkhead Flange

The Banjo BF075 is a bolted bulkhead tank flange designed for plumbing installations on curved or flat tank walls. Its glass-reinforced polypropylene body and EPDM gasket handle water and chemical transfer in agricultural and industrial systems. The fitting suits installers who need a secure through-wall connection rated for 150 psi at 150 degrees Fahrenheit. It is not for buyers who require larger port sizes or different thread standards.

Upgrades from plain bulkhead fittings

This model replaces simpler unbolted or single-gasket bulkheads when vibration, thermal cycling or higher pressure demand a four-bolt pattern and reinforced flange. The jump is worth it when the tank wall is thin or curved and the joint must resist pull-out without cracking the polypropylene. It does not serve applications needing metal construction or flanged connections beyond the 3/4 inch NPT female ports.

Straightforward bolt-on installation

Mount the flange by drilling a hole matching the body diameter, insert the fitting, and secure the four bolt holes with hardware suited to the tank material. The EPDM gasket seals against both flat and curved surfaces without additional sealant. What usually goes wrong is over-tightening the bolts and cracking the glass-reinforced body or using incompatible gasket material for the fluid being handled.

Highlights

  • 3/4" FNPT female threads simplify tank connections
  • Bolted four-hole flange secures fitting to curved or flat tanks
  • Glass-reinforced polypropylene resists corrosion and chemical attack
  • EPDM gasket seals reliably from -20 °F to 150 °F
  • Rated for 150 psi maximum operating pressure

Specifications

TypeDrain Components
BrandBanjo
ModelBF075

Questions about this item

What size cut-out does the 3/4" FNPT bulkhead flange need in the tank wall?

The flange has four bolt holes for secure mounting on curved or flat tank surfaces and uses a 3/4 inch female NPT connection on both sides.

How do I tighten the bolts on the glass-reinforced polypropylene body without cracking it?

Tighten the four bolts evenly in a cross pattern to compress the EPDM gasket uniformly; the glass-reinforced material resists cracking when torque is balanced.

When should I replace the EPDM gasket on this 150 psi rated fitting?

Replace the gasket if leaks appear, after exposure beyond 150 degrees F or below -20 degrees F, or during scheduled tank maintenance.

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