Albion manufactures a wide variety of pistons for cartridge, sausage, or bulk packed materials. Choose the best one for your application based on the type of tool your using and the type material you are dispensing:


21-1 SOFT LEATHER
- Low friction, tough and durable, excellent chemical resistance.
- Soak in motor oil to maintain.
- May swell then break down when used with water based materials.
- Oil more frequently or choose another piston below for acrylics.
- Add a 222-2 Expander in front of leather piston if you are experiencing leakage or blow-by.
- For complete replacement kit use 47-7 or 47-13 which includes #222-2 expanders.

21-7 IMPREGNATED LEATHER:
- Wax-impregnation makes this a stiffer alternative to the standard 2″ Leather Bulk load 21-1 piston.
- Reduces water absorption and blow-by.
- Recommended for use with the 222-2 piston expander.
- Requires less maintenance.
- Recommended for all bulk caulks and sealants.
- Durable with excellent chemical resistance.

21-16 NITRILE RUBBER
- Good seal, elastic, moderate friction.
- Excellent for water-based materials. Preferred by chinkers.
- Not recommended for use with solvent-based materials.
- For a complete replacement kit order part 47-10.

21-26 NYLON
- Springy, moderate friction.
- Same stiffness as Hytrel®, but with better chemical resistance.
- Use for Bulk caulking or with Sausage packs

21-20 TEFLON
- Solid Teflon® construction enables low-friction dispensing.
- The most chemically-resistant synthetic piston available.
- Easily damaged if not well cared for.
- Use for Bulk caulking or with Sausage packs
- For a complete replacement kit order part 47-42.

21-24 HYTREL
- Designed for dispensing sausage packs
- Stiff Hytrel® plastic is durable and has good chemical resistance.
- Sharp edge scrapes inside walls of barrel preventing sausage bag wrap.

21-30 POLY PLASTIC
- Lowest cost alternative cup.
- 2″ Bulk load piston for use only when chemicals and harsh agents are not a factor.
- Recommended for water based materials; Acrylics, Chinking, etc.
- May be appropriate for some food applications.

873-6 B-LINE SAUSAGE
- Use with B-Line manual or Cordless sausage guns. Can also be used for AT Line Twin Sausage AT1200S or AT1200S-2.
- Design flexes under pressure to maintain tight seal in barrel.
- Durable polyplastic and has good chemical resistance.

873-35 HYTREL
- For those occasional instances when you need your sausage gun to do double duty as a bulk loader
- Tough Hytrel plastic for long life
- Use with B-Line manual

29-G18 10oz CARTRIDGE EJECTOR
- Substitute this cartridge ejector in place of the piston cups on any 2″ diameter Albion bulk gun (DL-45, DL-59) to dispense cartridges.
- For replacement kit 870-2