Waste Caps – B53 Threads

VICI Jour SKU: JR-S-15303

Number of Ports: 4 total (3) 1/4-28 (1) optional
Thread of 4th port: 1/2-20 for 1/4" tubing (1/4" nut, ferrule, and plug included)
Quote Only


B53 waste caps fit all bottles or canisters with B53 thread in order to comply with waste handling regulations and prevent the evaporation of volatile compounds. They have three ports with 1/4-28 thread for 1/8" or 1/16" OD tubing and a fourth port with your choice of threads: either ¼” OD tubing fittings or a barbed adapter.

B83 caps seal the bottle/canister with an O-ring behind a PTFE lip. So the O-ring is therefore not a wetted part. Unused ports should be closed with plugs.

A bottom-sealing barbed adapter to connect 4, 6, or 8 mm ID tubing can be ordered separately.

A VICI Jour waste cap package Includes:

  • 1 cap, B53 thread
  • 1 O-ring
  • 1 set: 1/16" nut/ferrule/color-sleeve adapter
  • 2 sets: 1/8" nut/ferrule/color-sleeve adapter

Caps with 1/2-20 thread add:

  • 1 1/2-20 plug
  • 1 1/2-20 nut for 1/4" tubing
  • 1 1/2-20 collapsible ferrule for 1/4" tubing

NOTE: One port must be reserved for the Safety Exhaust Filter or the Safety Air Inlet Valves with Filters.

Connections: 1/4-28

M10 x 1 or 1/2-20


Part Material
Closure Polypropylene
Insert PTFE
O-ring NBR
Ferrules ETFE/CTFE
Barbed adapter PA/PP

More information about the chemical resistance of these materials:

Chemical Resistance

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