ALUMINUM FLIP-OFF CAP SEALING

Vial Crimping Machines

Crimp aluminum and flip-off caps securely onto glass vials after stopper placement. ZONESUN supplies electric, pneumatic and fully automatic vial crimpers for laboratory, small-batch and continuous packaging operations.

Uniform Cap Crimping Adjustable Sealing Height Multiple Cap Sizes Line Integration

VIAL CLOSURE GUIDE

How to Choose a Vial Crimping Machine

A vial crimping machine secures an aluminum or flip-off cap around the neck of a stoppered glass vial. The crimping head forms the aluminum skirt beneath the vial-neck flange to hold the stopper in position.

Machine selection should be based on vial dimensions, cap size, stopper and cap combination, required output and production environment. Physical samples are recommended before confirming the crimping tooling.

Information Needed for Selection

01 Vial volume, diameter, height and neck finish
02 Aluminum or flip-off cap diameter and height
03 Stopper type and complete closure samples
04 Required output and automation level

MACHINE CONFIGURATIONS

Vial Crimpers by Automation Level

Choose a compact or automatic configuration according to production volume and upstream filling requirements.

01 · LABORATORY & SMALL BATCH

Electric Vial Crimpers

Compact equipment for laboratory samples, small production batches and multiple compatible cap sizes.

02 · SEMI-AUTOMATIC

Pneumatic Vial Crimpers

The operator positions the vial while pneumatic force completes the crimping cycle with improved repeatability.

03 · CONTINUOUS PRODUCTION

Automatic Rotary Crimpers

Integrates vial conveying, positioning and continuous crimping for connection with filling equipment.

SELECTION FACTORS

What Determines the Crimping Configuration?

Vial, Stopper & Cap

All three components must form a compatible closure system. Cap diameter alone is not enough for machine selection.

Crimping Quality

Head geometry, pressure and height affect cap formation, stopper compression and finished appearance.

Output & Integration

Production speed determines whether manual loading, rotary positioning or a monoblock system is more suitable.

TYPICAL PROCESS

From Filling to Finished Closure

Vial crimping normally follows liquid filling and stopper placement. Every component must be correctly positioned before the aluminum cap is crimped.

STEP 01 Fill Vial
STEP 02 Insert Stopper
STEP 03 Place Flip-Off Cap
STEP 04 Crimp & Inspect

CLOSURE DIFFERENCES

Vial Crimping Is Not Screw Capping

Vial Crimping

Forms an aluminum skirt beneath the vial-neck flange.

Screw Capping

Rotates a threaded cap onto a matching bottle neck.

ROPP Capping

Forms threads and a tamper-evident band using rollers.

FREQUENTLY ASKED QUESTIONS

Vial Crimping Machine FAQs

Can one machine handle several vial sizes?

Some machines support multiple sizes through height adjustment and interchangeable crimping heads.

Which cap sizes can be crimped?

The range varies by model and tooling. Provide the actual vial, stopper and cap to confirm compatibility.

Can flip-off and aluminum caps use one machine?

This may be possible when their dimensions are compatible, but separate crimping heads may be required.

Can the crimper connect to a filling line?

Yes. Automatic crimpers can connect with vial feeding, filling, stopper insertion and labeling equipment.

Why should complete samples be provided?

Samples allow testing of cap fit, skirt formation, stopper compression and final closure appearance.

Does a pneumatic crimper require an air compressor?

Yes. Pneumatic models require a compatible external compressed-air supply.

Prepare the Complete Vial Closure Set

Send the vial, stopper and cap together so the crimping tooling can be tested accurately.

Vial Samples Stopper Samples Cap Dimensions Required Output