At Northwest Tank Components, we are dedicated to providing high-quality vessel components, ranging from modern designs to legacy products dating back to the original craft brewing era over 40 years ago.

With our extensive expertise and deep industry knowledge, we ensure your tanks operate at peak performance for years to come.

The original, JVNW, FDA approved, made in the USA silicone smooth manway gasket that fits 18" bubble and 16" x 22" oval manway.

Manway Gaskets

We offer various options such as smooth faced, ribbed, full faced, silicone and EPDM.

All gasket are FDA approved, made in the USA and upon request we can provide the certificate of conformance.

Let us know what your tanks require and we can work together to insure a quick turnaround time.

F.D.A. Title 21 CFR Sec. 177.2600

The original JVNW side inswing outswing shadow and shadowless manway.
The original knuckleblock assembly. Handcrafted with stainless and an attached brass all thread.
The original wingnut with a threaded center core crafted by hand out of 304 stainless steel.
The original 18" bubble knuckleblock assembly. Handcrafted with stainless and an attached brass all thread.

Manway assemblies

We offer a wide range of replaceable manway parts and components such as knuckle blocks, wingnuts, hinge pins and more.

If you are experiencing sealing issues, leaking or have general question or concerns, contact us.

A twist-lock tank steady bearing is a stabilizer for the shaft of the agitator or mixer, it's sanitary, self-lubricating materials (e.g., UHMW or PTFE) eliminate the need for periodic lubrication or frequent replacements.

Mixers / Agitators and realted items

We offer a wide range of replacement sanitary mixer parts such as steady bearings (sani-bearings) in a variety of sizes and materials, seals and much more.

Let us know what you need or are looking for.

Open Top Fermenter Floating Lid Tubes

~ Coming Spring 2026 ~

These are specifically custom ordered to the circumference of your variable-capacity open-top fermenter. All gaskets are FDA approved and made in the USA.

We are currently taking orders for our next production run. Contact us for more information.

A JVNW open top fermenter floating lid with the inflation tube (often a polyethylene or flexible rubber hose) used on the floating lid of variable-capacity open-top fermenters manufactured by JV Northwest (JVNW), a well-respected U.S. manufacture.

Reach out to us for fast, reliable, expert help and personalized service.