Overview
Each BestPack machine series uses specific tape heads. Choose by machine model, tape width, position (top or bottom) and, on some machines, left or right orientation and whether the machine needs an encoder head.
⚠️ Order by machine, not by looking at the head. A head that looks the same can be the wrong width, orientation or encoder version. Confirm with BestPack and provide your machine serial number and model; tape heads themselves do not carry a serial number.
Step 1 — Read the Part Number
| Part of the number | Meaning |
|---|
AC, TH, PT | Tape head family: AC (black), TH (silver dual arm, ATFXU), PT (MT1E edge seal) |
20 / 30 | 2" tape width / 3" tape width |
U / B | Upper (top) head / bottom head |
L / R | Left or right head (for example MTSS: AC20L000, AC20R000) |
Z in place of the last 0 (for example NTAC20U00Z-AEC) | Right orientation version of the head |
NT…-AEC / -EC | Version with encoder |
_RP | Ranpak version (mandrel with clip and spring) |
Refer to the diagram for left and right justification, and for the difference between 2" and 3" tape heads.
Step 2 — Do You Need an Encoder Head?
Machines with a tape monitoring system have two sensors aimed at the tape head: one for Low Tape (warns the operator that tape is running low without stopping the machine) and one for No Tape (signals that tape failed to apply). The DAS system also uses the encoder head.
- Machine has tape monitoring (or DAS): use only the encoder head.
- Machine has no tape monitoring: either a standard head or an encoder head can be used.
Step 3 — Find Your Machine
MS and RS series
| Machine | Standard tape head (no encoder) | Tape head with encoder |
|---|
| MS and RS | AC20U000
AC20B000
AC30U000
AC30B000 | NTAC20U000-AEC
NTAC20B000-AEC
NTAC30U000-AEC
NTAC30B000-AEC |
MBD, MTD, MTLW, MSL and RSL series (choose by the model ending)
| Model ends with | Tape width | Tape head part numbers |
|---|
| -2 or -2H | 2" | AC20U000
AC20B000 |
| -3 or -3H | 3" | AC30U000
AC30B000 |
MTSS series
| Machine | Standard tape head (no encoder) | Tape head with encoder |
|---|
| MTSS | AC20L000
AC20R000
AC30L000
AC30R000 | Confirm with BestPack |
MT1E series
| Machine | Tape head part numbers (2" / 3") |
|---|
| MT1EBR and MT1ETL | PT20TLBR
PT30TLBR |
| MT1EBL and MT1ETR | PT20TRBL
PT30TRBL |
ATFXU22 series
| Machine | Standard tape head (no encoder) | Tape head with encoder |
|---|
| ATFXU22L and ATFXU22LP | Top: TH20U000H-P01
TH30U000H-P01
Bottom: TH20B000H-P01
TH30B000H-P01 | Confirm with BestPack |
| ATFXU22R and ATFXU22RP | Confirm with BestPack | Confirm with BestPack |
AS and AQ series, ELVS series and C-series (encoder heads only)
| Machine | Top | Bottom |
|---|
| AS and AQ, left | NTAC20U000-AEC
NTAC30U000-AEC | NTAC20B000-AEC
NTAC30B000-AEC |
| AS and AQ, right | NTAC20U00Z-AEC
NTAC30U00Z-AEC | NTAC20B00Z-AEC
NTAC30B00Z-AEC |
| ELVSL and ELVSCL | NTAC20U000-AEC
NTAC30U000-AEC | — |
| ELVSR and ELVSCR | NTAC20U00Z-AEC
NTAC30U00Z-AEC | — |
| C-series, left | NTAC20U000-AEC
NTAC30U000-AEC | NTAC20B000-AEC
NTAC30B000-AEC |
| C-series, right | NTAC20U00Z-AEC
NTAC30U00Z-AEC | NTAC20B00Z-AEC
NTAC30B00Z-AEC |
| C-series RP | NTAC30U000-AEC_RP | NTAC30B000-AEC_RP |
📋 Note: Rows marked "Confirm with BestPack" are being verified. Send your machine model and serial number to partsquotes@bestpack.com and BestPack will confirm the correct head.
Request Pricing and Place Your Order
- Email
partsquotes@bestpack.com with the part numbers, quantities, and your machine model and serial number. BestPack replies with pricing and availability.
- Send your purchase order to
orders@bestpack.com and reference the quote.
Common Mistakes
| Mistake | Result | Fix |
|---|
| Ordering 2" for a 3" machine (or the reverse) | Wrong width; part does not fit | Check the model ending (-2/-3) and the tape you run |
| Ordering a left head for a right machine | Head cannot be mounted correctly | Check left/right (L, R, Z) against your machine |
| Ordering a standard head for a machine with tape monitoring | Low Tape / No Tape monitoring cannot work | Order the encoder (NT…) head |
| Looking for a serial number on the tape head | None exists | Use the machine serial number |
| Requesting a quote without model and serial number | Delay while the correct head is confirmed | Include both in your email to partsquotes@bestpack.com |
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