Pressure Vessel Components

Head Forming

Hot pressed heads formed with custom-designed presses

We can make almost any size and thickness of head you require. We created two custom-designed head-forming presses to handle your project needs: A 1,200 ton head press, and a 3,000 ton head press. We can hot press heads up to 192" (4,877 mm) I.D. and up to 8" (203.20 mm) thick, so whatever the challenge, we say bring it on!

Semi-Elliptical Heads

Semi-Elliptical Heads: from 8 5/8" (219 mm) O.D. to 192" (4,877 mm) I.D.

ASME Code Flanged and Dished Heads

ASME Code Flanged and Dished Heads: from 48" (1,219 mm) I.D. to 96" (2,438 mm) I.D.

Hemispherical Heads

Hemispherical Heads: from 8 5/8" (219 mm) O.D. to 144" (3,658 mm) I.D.

Dished Only Heads

Dished Only Heads: from 10" (254 mm) O.D. to 120" (3,048 mm) O.D.

Dished and spun heads

Our dishing and spinning equipment enables us to cold form heads up to 1 1/4" (31.75 mm) x 342" (8,687 mm) in diameter. Hot spinning allows us to manufacture heads up to 2 1/4" (57.15 mm) thick.

Semi-Elliptical Heads

Semi-Elliptical Heads: from 96" (2,438 mm) O.D. to 288" (6,096 mm) I.D.

ASME Code Flanged and Dished Heads

ASME Code Flanged and Dished Heads: from 96" (2,438 mm) O.D. to 342" (8,687 mm) I.D.

Flanged Only Heads

Flanged Only Heads: from 72" (1,829 mm) O.D. to 168" (4,267 mm) I.D.

Dished Only Heads

Dished Only Heads: from 120" (3,048 mm) O.D. to 360" (9,144 mm) O.D.

EDEX facts: Head temperatures

Typically, carbon steel heads are hot formed in the normalizing temperature range. Stainless steel heads are hot formed in the annealing temperature range. Chromium molybdenum steel heads are hot formed and tempered as specified by MTR. Clad heads are formed at temperatures suitable to the material. Various forming temperature requirements and additional heat treatments can be accommodated upon request.

Head-Forming Flexibility with Materials

Heads can be formed from our own steel plate inventory, from special material we order in (such as clad plate), or from material that you supply.

Untrimmed Heads, Trimmed and Beveled Heads

Edmonton Exchanger can supply heads either "untrimmed" or "trimmed and beveled" (single or double bevel) as per your requirements.

Delivered: As-Formed, Pickled, Sandblasted

Carbon steel and chromium molybdenum steel heads are delivered in the as-formed condition. Stainless steel and clad heads are delivered in the pickled or sandblasted and passivated condition.

Download size specs for head types (PDF)

Semi-Elliptical 2:1
Torispherical
Hemispherical

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Pressure Vessel Components

Head Forming

Hot pressed heads formed with custom-designed presses

Semi-Elliptical Heads

ASME Code Flanged and Dished Heads

Hemispherical Heads

Dished Only Heads

Dished and spun heads

Our dishing and spinning equipment enables us to cold form heads up to 1 1/4" (31.75 mm) x 342" (8,687 mm) in diameter. Hot spinning allows us to manufacture heads up to 2 1/4" (57.15 mm) thick.

Semi-Elliptical Heads

ASME Code Flanged and Dished Heads

Flanged Only Heads

Dished Only Heads

EDEX facts: Head temperatures

Head-Forming Flexibility with Materials

Untrimmed Heads, Trimmed and Beveled Heads

Delivered: As-Formed, Pickled, Sandblasted

Download size specs for head types (PDF)

Project inquiry or

Request a Quote

Quick reference guide

Download Brochure

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