PET Bottle Blowing Infrared Lamps
Custom and replacement short-wave infrared heating lamps for PET preform ovens and bottle blowing machines, including reflector-coated lamps, custom wattages, heated lengths and equipment-specific end connections.
Controlled infrared heating before stretch blow moulding
Before a PET preform can be stretched and blown into its final bottle shape, its body must be heated to a suitable and sufficiently uniform forming condition.
Many bottle blowing machines move and rotate the preforms through multiple infrared heating zones. Individual lamp groups can be adjusted to influence the temperature distribution along the preform body.
Correct lamp construction alone does not guarantee the final bottle result. Machine settings, ventilation, preform material, wall thickness, line speed and moulding parameters must also be considered.
View Short-Wave Infrared Lamps →Preform Loading
PET preforms enter the heating oven and are positioned for controlled exposure to infrared energy.
Zoned Infrared Heating
Lamp rows heat different sections of the preform according to the machine recipe and bottle design.
Temperature Equalization
Rotation, ventilation and process timing help distribute heat through the preform wall before forming.
Stretch Blow Moulding
The conditioned preform is transferred to the moulding stage and formed into the finished bottle.
Fast and controllable heating for high-speed PET production
Short-wave infrared lamps are widely used in PET preform ovens because their output can respond quickly to machine control.
Fast Response
Rapid heat-up and cool-down support changing production speeds, machine stops and recipe adjustments.
High Power Density
Compact lamps can deliver substantial heating output within the limited space of a preform oven.
Zoned Control
Multiple lamp rows allow different areas of the preform to receive different heating levels.
Replacement Flexibility
Voltage, wattage, length, reflector and ceramic ends can be matched to many existing machine lamps.
Heating distribution along the PET preform
Different bottle designs may require different temperature profiles through the neck, shoulder, body and base areas. Lamp-row power and machine settings work together to create the required distribution.
Discuss Your Heating Zones →Infrared lamps matched to different PET blowing machines
The replacement lamp should match the machine mechanically and electrically, including reflector orientation and end connections.
Clear Short-Wave Lamps
Clear quartz lamps radiate around the tube and can be used where the machine contains a separate reflector system.
View short-wave lamps →
Half-White Reflector Lamps
White reflector coverage can direct more infrared output toward the preform and should match the original orientation.
Request half-white lamps →
Gold Reflector Lamps
Gold-coated reflector options can be reviewed for machines originally designed around metallic reflector lamps.
Discuss gold reflectors →
SK15 Ceramic Ends
Common SK15-type ceramic end arrangements can be reviewed according to lamp diameter, terminal position and machine holder.
View replacement matching →
Custom Power & Length
Voltage, wattage, overall length and heated length can be reviewed for the original equipment specification.
Send voltage & dimensions →
Equipment-Specific Replacements
Existing lamps can be evaluated from part numbers, drawings, machine models, photographs or physical samples.
Replace an existing lamp →Find PET bottle blowing replacement lamps for Krones and Sidel equipment
When the machine brand is known, start with the dedicated replacement page. Each page focuses on the lamp constructions, legacy references and technical details most relevant to that equipment family.
Krones Compatible Infrared Lamps
Review common Krones-related replacement references, single-tube halogen constructions, clear or reflector-coated quartz and SK15 end-connection details.
View Krones replacement lamps →
Sidel Compatible Infrared Lamps
Review Sidel-related replacement references and long-format single-tube halogen lamps used for PET preform heating, including clear and white-reflector configurations.
View Sidel replacement lamps →
The replacement must match more than wattage
A lamp with the correct wattage may still be unsuitable if its overall length, heated length, ceramic ends, terminal direction or reflector orientation differs from the original machine lamp.
- Original lamp part number and machine model
- Voltage and wattage printed on the lamp
- Complete length including ceramic ends
- Quartz tube diameter and heated length
- Clear, white or gold reflector construction
- Reflector coating direction in the machine
- Ceramic end type and metal terminal position
- Required quantity and expected annual demand
Heating problems should be reviewed as a complete process
Bottle defects may be related to lamps, machine settings, ventilation, preform condition or moulding parameters. Changing lamp power alone may not solve the issue.
Uneven Wall Distribution
Review lamp-row settings, preform rotation, temperature distribution, stretching conditions and the relationship between heated zones.
Insufficient Preform Heating
Check lamp condition, electrical output, reflector cleanliness, heating time, line speed and ventilation settings.
Local Overheating
Review individual heating-zone output, lamp distance, reflector direction and whether one lamp row is operating differently from the others.
Frequent Lamp Failure
Check machine voltage, connection quality, ventilation, vibration, contamination and handling during installation.
Inconsistent Bottle Quality
Confirm whether all lamp rows produce consistent output and whether process conditions change during production.
Replacement Lamp Does Not Fit
Recheck total length, ceramic-end dimensions, terminal orientation, tube diameter and machine holder design.
Information required to define a PET blowing lamp
A complete quotation should be based on both electrical specifications and physical installation details.
| Parameter | What to Confirm | Why It Matters | Recommended Reference |
|---|---|---|---|
| Voltage & Wattage | Electrical rating printed on the original lamp | Must match the machine power supply and controls | Lamp marking or machine documentation |
| Overall Length | Complete length including ceramic end components | Determines mechanical fit inside the oven | Dimensioned sketch or measured old lamp |
| Heated Length | Active filament area and cold zones | Controls where infrared energy reaches the preform | Measured lamp or technical drawing |
| Quartz Diameter | Outside diameter of the quartz tube | Must match the machine supports and available space | Caliper measurement |
| Reflector | Clear, white or gold coating and coverage | Affects the direction of infrared output | Photographs showing the coated side |
| Ceramic Ends | Type, size, hole position and mounting arrangement | Must fit the existing machine holder | Close-up photographs of both ends |
| Terminals | Metal contact type, position and orientation | Determines electrical connection compatibility | Photographs from several angles |
| Machine Information | Machine manufacturer, model and lamp position | Supports equipment-specific replacement review | Nameplate or machine manual |
Lamp selection should follow the original machine design
For an existing bottle blowing machine, the safest starting point is normally to reproduce the original lamp's electrical and mechanical construction rather than changing several parameters at the same time.
Request Technical Review →Information needed for quotation
Send clear photographs, dimensions, electrical ratings, machine details and required quantity for the initial review.
Prepare Your Enquiry →Lamp specifications should be verified against the original machine design. Final bottle quality also depends on the PET preform, heating recipe, ventilation, line speed, stretching, moulding conditions and equipment maintenance.
PET bottle blowing infrared lamp replacement
Which type of infrared lamp is used in PET bottle blowing machines?
Many PET preform ovens use fast-response short-wave tungsten-halogen infrared lamps. The exact voltage, wattage, length, reflector and end connection depend on the machine design.
Can you replace the original lamp from my bottle blowing machine?
Replacement evaluation can begin from the original lamp part number, machine model, photographs, electrical markings, dimensions or a physical lamp sample.
What is a half-white infrared lamp?
A half-white lamp has an opaque reflector coating on part of the quartz tube. The coating helps direct more infrared energy toward one side of the lamp.
Can you make PET lamps with SK15 ceramic ends?
Common SK15-type ceramic end arrangements can be reviewed. Photographs and dimensions of the original ceramic ends and terminals should be provided.
Can voltage, wattage and lamp length be customized?
Voltage, wattage, total length, heated length, quartz diameter, reflector and end connections can be reviewed according to the machine specification.
Is wattage enough to identify the correct replacement lamp?
No. Lamps with the same wattage can have different voltage, length, heated area, tube diameter, reflector and ceramic ends. All critical specifications should be confirmed.
Can a more powerful lamp improve bottle quality?
A higher-power lamp is not automatically better. Excessive or incorrectly distributed heating may create new process problems. The machine recipe and original lamp design should be reviewed first.
Why do PET machine infrared lamps fail frequently?
Possible factors include voltage conditions, poor electrical contact, insufficient ventilation, vibration, contamination, reflector overheating or improper handling during installation.
What photographs should I send for quotation?
Send one photograph of the complete lamp, close-ups of both ceramic ends, the electrical markings, reflector direction, terminals and the lamp installed in the machine when possible.