Your Shopping Cart

It appears that your cart is currently empty!


4" Tri-Clamp Spools


SKU: 400X2S

1 Year Limited Warranty


Some exclusions may apply.
The following are excluded from this offer:
  • Item(s) that are marked "Ships Separately" on the listing.
  • Hazardous Materials (Alcohols, Lab Chemicals, Butane/Propane, and Cleaning Solvents)
  • Item(s) that BVV™️️️️ recommends ship via Freight (LTL or FTL) due to size/fragility.
  • Large orders and/or combined order weight over 60lbs ship via Freight (LTL or FTL)

You will earn 0 points for this purchase.

Price Match

Description - Click to Expand

4" Tri-Clamp/ Tri Clover Spools

Sizes Available:

  • 4" x 2" Tri-Clamp Spool
  • 4" x 4" Tri-Clamp Spool
  • 4" x 8" Tri-Clamp Spool
  • 4" x 12" Tri-Clamp Spool
  • 4" x 18" Tri-Clamp Spool
  • 4" x 24" Tri-Clamp Spool
  • 4" x 36" Tri-Clamp Spool
  • 4" x 48" Tri-Clamp Spool


Tri-Clamp Size 4"
Material 304 Stainless Steel
Standard 3A High Polish
Spool OD 4"
Spool ID 3.834"
Flange OD 4.682"
Bead Center 4.344"




OD = Outer Dimension

ID = Inner Dimension

Disclaimer to Customer:

User assumes all responsibility and risks of the system for all Stainless Steel Parts bought separately to piece together a Closed Loop, Closed Column, or Open Blast Extractors. They DO NOT come with a standard 1 year system warranty, customer assistance on how to run your system, technical help or a guarantee of the system being tested.



Cylinder Volume

Select Material

How Much Will Fit in Cylinder

Volume x Weight of Water x Specific Gravity

Weight of Water = 0.0360 (lbs / in3)
Specific Gravity of =

Account for an 80% fill to avoid a hydraulic lock 

How Much Material Will Fit in the Cylinder

Packing Density (g) 2.5 3 3.5 4.3
Grams of Material
Lbs. of Material

Cans of Butane by Size

mL fl oz lbs # of Cans
420 14.2
300 10.1
200 6.7
150 5.07