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Polypropylene cam-lever coupling, 4-inch female FNPT socket, EPDM gasket

Banjo

Banjo 400D 4" Female Coupler x FNPT Cam Lever Trap

SKU CH-ZEJG-HWRDF MPN 400D

A 4-inch polypropylene cam-and-groove socket with female NPT threads, rated for 100 psi at 70°F and fitted with an EPDM gasket

  • Product typeDrain Components
  • Main materialHAWA
  • 4-inch FNPT connection fits standard plumbing threads
  • Polypropylene body resists corrosion in fluid systems
  • EPDM gasket seals reliably up to 100 psi at 70 °F
  • Cam lever design enables quick tool-free coupling
  • 400D model built for drain and trap applications

4" Female Coupler for NPT Pipework

This Banjo 400D coupling connects a 4-inch hose or pipe to a female NPT thread using a cam-and-groove mechanism. The polypropylene body and EPDM gasket suit agricultural, industrial and fluid-transfer systems where quick, tool-free assembly is required.

100 psi working pressure at 70 °F

The coupling is rated for 100 psi at 70 °F, providing headroom for typical water, fertiliser and chemical transfer duties. Pressure capacity falls as temperature rises, so the fitting runs out of margin in high-temperature or high-pressure steam service.

Polypropylene construction runs cool and quiet

The thermoplastic body does not conduct heat like metal, so the surface stays near ambient fluid temperature during normal flow. No moving parts generate noise, and the lightweight material adds minimal load to pipe supports.

How it compares

Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.

Price $41.99
Pricier than about 58% of the 4,240 comparable items (median $31.99).

Specifications

Product
Brand nameBanjo
Model name400D
Product typeDrain Components
Size & build
Main materialHAWA

Questions about this item

Will the 4 in FNPT thread on this Banjo 400D coupler mate with my existing 4 in male NPT pipe?

Yes, the coupler has a 4 in FNPT connection that threads onto a matching 4 in male NPT pipe.

How can I confirm the 400D is sealing properly after I install it?

Pressurize the line up to 100 psi at 70 F and check for leaks at the EPDM gasket and cam arm engagement.

Does the 400D come with a gasket and locking arm, or must I buy them separately?

The EPDM gasket is included; the locking arm is not included and must be purchased separately if required.

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