Waste Manifold Port Cap for 38-430 Nalgene Bottles, 4-Port, size L (4 x 1/4" NPT)

Port Cap Manifold, 38-430, 4-Port, size L (4 x 1/4" NPT)

Container Type and Thread Size
Seals on 4 liter plastic 38-430 bottles, typically made by Nalgene.

Watch out for 38mm thread variants: increasingly, chemical suppliers utilize a 38-415 thread on 4L bottles instead of the more common 38-430. Although identical in appearance, these two threads aren’t interchangeable.

Although practically all the bottle caps provided here could be used for either solvent extraction or waste collection, the difference in function lies in how ventilation is handled.

During solvent extraction, air must enter the bottle to displace solvent removed - a problem resolved with a oneway check valve. The removeable valve is constructed of inert PTFE components with stainless spring, compatible with most laboratory solvents, with a low opening pressure below 1psi to avoid pump cavitation.

Tubing is secured to threaded ports (“Type A” 1/4-28) in inert PTFE inserts.The insert rotates independently from the Polypropylene cap collar - a feature which prevents twisted tubing when the cap is removed. The tubing connections provided are for 1/8” (3.2mm) OD tubing.

This waste collection manifold cap is designed to fit quick disconnect cans and has 4 ports

• Includes (4) Type D ports
• Manifold is a wetted component and made from Polypropylene
• (Type D) accepts 1/4" NPT tubing adapters (sold separately)