OpenRBI — Vessel volume estimator

Cylinder from width and length

Side view. W is diameter. L is the straight shell only (tangent to tangent). Heads are the curved ends — their depth is h.

Width W (m)

Length L (m)

Heads

Side view of one end. The straight line is the face (diameter W). The curve is the dish (depth h).

Head type

Head width (m)

Head depth (m)

Number of heads

One head

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Volume

V = shell + heads

Total volume

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Total volume

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for M1 vessel volume (L)

Part	m³	L

1 m³ = 1000 L. Inside empty geometry — no wall thickness, nozzles, or internals. Torispherical / Klöpper / Korbbogen head volume uses the spherical-cap formula at the calculated dish depth. Confirm against the drawing before using in CoF inventory.