Ask a research-administration question
Answers are drawn from CASRAI and the rest of the CASRAI corpus, with a link to every source.
Answers are AI-generated from CASRAI’s own published pages and can be wrong, so check the linked sources before relying on one; your question is logged without personal data — never sold, never used to train a third-party model — to show us what CASRAI is missing, so please do not type personal or confidential details. How we use this
CASRAI is the reference for research administration — bookmark it for the next question.

SKU 12HLID12
USA Lab
12" Hemispherical Lid 2x 2" Tri-Clamp 1x 3" Tri-Clamp 2x 1/4" FNPT 2x 1/2" FNPT
in Lids
$124.00
In stock12 in hemispherical Tri-Clamp lid with two 2 in and one centre 3 in Tri-Clamp fitting, plus two 1/4 in and two 1/2 in FNPT ports.
Buying through procurement?
Generate a formal quotation for 1 × this item, plus our W-9 — everything your finance department needs to raise a purchase order.
Ordering several items? Add them to your cart, then create one quote for the whole cart.
Description
The 12″ tri-clamp hemispherical lid has 2x 2″ Tri-Clamp fittings and a center 3″ Tri-Clamp fitting for maximum customization. Along with various Tri-Clamp fittings, this lid comes with 2x 1/4″ FNPT ports and 2x 1/2″ FNPT ports for whatever functions you may need.
12HLID12 SPECIFICATIONS
•Material: 304 Stainless Steel
•2″ Tri-Clamp: 2x
•3″ Tri-Clamp: 1x
•1/4″ FNPT: 2x
•1/2″ FNPT: 2x
•Exterior Dimensions: 12″ L x 12″ W x 6.5″ H
•Weight: 9lbs
Frequently asked questions
What ports does it carry?+
Two 2 in Tri-Clamp fittings, a centre 3 in Tri-Clamp fitting, two 1/4 in FNPT ports and two 1/2 in FNPT ports.
What size lid is it?+
12 in, hemispherical. Part number 12HLID12.











