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Enabling better global research outcomes in soil, plant & environmental monitoring.

Compression Gland Gaskets and Inserts

Almond, 1/8 Inch, 1/4 Inch, 3/8 Inch, 1/2 Inch Compression Gland Gasket and Inserts

Pressure Chamber Accessories

Pictured above are (TOP – Friction Washer), (MIDDLE – Gaskets), (BOTTOM – Inserts)

  1. The far left gasket and insert are special for samples with short and small diameter petioles. The minimum sealing length for the stem or petiole is about .45 inch (13 MM).
  2. The gasket and insert second from the left is 1/8 inch and is great for sealing small samples that have to go to high pressure. This gasket goes from 1/8 inch to completely closed.
  3. The gasket and insert third from the left is 1/4 inch. This is the size of gasket that comes standard with our gas instruments. This is an excellent gasket that will go from 1/4 inch to completely closed. Works great on most crops and samples.
  4. The gasket and insert forth from the left is 3/8 inch. This gasket goes from 3/8 inch down to about 1/4 inch. In order to use this properly the lower part of the Compression Gland will need to be drilled/bored to 3/8 inch diameter hole.
  5. The gasket and insert on the right is 1/2 inch. This is a new gasket we are offering for larger samples. This gasket goes from 1/2 inch down to about 3/8 inch. In order to use this properly the lower part of the Compression Gland will need to be drilled/bored to 1/2 inch diameter hole.

When using the 3/8 inch and 1/2 inch gasket/inserts, it is best to have a Compression Gland Base that is bored out to 1/2 inch. The instruments come normally with the Compression Gland Base bored to 1/4 inch. If you are going to use all sizes from 1/8 inch to 1/2 inch, it is suggested to purchase an extra Compression Gland Base that is bored to 1/2 inch to ensure optimal use of the sealing system.

The Compression Gland Gasket and Insert can be quickly removed by un-screwing the Compression Gland Screw, removing the insert and gasket and replacing them with the desired sized gasket and insert. For a tutorial on this click here.

The Friction Washer is red color and fits between the Compression Gland Screw and the Compression Gland Insert. It simply keeps the metal from rubbing and chafing. If you need a replacement, contact us directly.

Maintenance for the Compression Gland is simple but necessary. Check out the PMS Instrument Company Resources page for more information.