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Description
Stainless Steel Flat Lid Reducer – 12" TC to 3" TC | USA Lab
Our Stainless Steel Flat Lid lets you reduce from 12" Tri-Clamp to 3" Tri-Clamp without adding height or bulk. The low-profile design maximizes headroom while maintaining a sanitary, gasketed seal for process vessels, brewhouse tanks, extraction systems, and lab setups.
Constructed from durable 304 stainless steel, this flat reducer lid is corrosion-resistant and easy to clean. It installs in seconds with standard Tri-Clamp hardware, making it a go-to choice for upgrading ports, mounting accessories, or converting existing lids.
Verify clamp and gasket compatibility before pressurizing any system.
304 Stainless Steel 12" TC to 3" TC Flat Lid Reducer Tri-Clamp Compatible
Low-profile: Flat lid design saves vertical space compared to dome or cone reducers.
Sanitary & durable: 304SS construction resists corrosion and cleans easily.
Fast install: Tri-Clamp x Tri-Clamp connection for quick changeovers.
Why buy from USA Lab
Expert Support
Engineers & technicians on staff.
Engineers & technicians on staff.
Quality First
Tested and trusted products.
Tested and trusted products.
Fast Fulfillment
Nationwide 1-2 day shipping.
Nationwide 1-2 day shipping.
Warranty & Parts
US-based service & spares.
US-based service & spares.
Resources & Downloads
Why this flat lid reducer?
- Space-saving design — Maintains tank clearance while adapting to 3" accessories.
- Versatile mounting — Ideal for valves, sight glasses, spray balls, CIP, and process instrumentation.
- Reliable material — 304 stainless steel for sanitary service and long life.
- Quick changeovers — Standard Tri-Clamp x Tri-Clamp interface speeds setup.
- Cleanability — Smooth surfaces for easy wipe-down and CIP compatibility.
Talk to an expert
Get help verifying Tri-Clamp sizes, gaskets, and fitment for your vessel.
Technical Specifications
| Property | LID-12TO3 – Stainless Steel Flat Lid Reducer |
|---|---|
| Material | 304 Stainless Steel |
| Connection Type | Tri-Clamp x Tri-Clamp |
| Reducer Type | Flat Lid |
| Size | 12" Tri-Clamp to 3" Tri-Clamp |
| Dimensions | 12" x 12" x 3" |
| Weight | 7 lb |
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Documentation & Compliance
Keep purchasing streamlined and compliant.
Custom Solutions
Tailored tanks, skids, and integration help.
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We’ll help spec the right system for your throughput.
FAQ
What does “flat lid reducer” mean?
A flat lid reducer adapts a larger Tri-Clamp ferrule to a smaller one while keeping a low profile. USA Lab Stainless Steel Flat Lid Reducer – 12" TC to 3" TC (LID-12TO3) saves vertical space versus cone or dome reducers.
Is it compatible with standard Tri-Clamp hardware?
Yes. The USA Lab Stainless Steel Flat Lid Reducer – 12" TC to 3" TC (LID-12TO3) uses standard Tri-Clamp clamps and sanitary gaskets. Always verify gasket material compatibility with your process.
What material is this lid made from?
The USA Lab Stainless Steel Flat Lid Reducer – 12" TC to 3" TC (LID-12TO3) is made from 304 stainless steel for corrosion resistance and easy cleaning.
Can I use it on pressurized systems?
Follow your equipment’s pressure ratings and SOPs. The USA Lab Stainless Steel Flat Lid Reducer – 12" TC to 3" TC (LID-12TO3) must be paired with correctly rated vessels, clamps, and gaskets.
Important Shipping Notice!
DISCLAIMER:
All items are carefully packaged to ensure safe delivery. In the rare event that your item arrives damaged, please notify us within 3 days of receipt. We will promptly provide a replacement or issue a refund.
Please note that any damage occurring after delivery is not covered under warranty. We appreciate your understanding and your trust in our products.
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