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PSS Shaft Seal type A
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Type A PSS shaft seal top view
PSS Shaft Seal type A

PSS Type A seal

From 426.30 €

For 20mm to 95mm (3/4″ to 3-3/4″) shaft diameter (Compression Chart)
Use the selector below to find the correct PSS Shaft Seal for you. You will need to know your shaft diameter and the outside diameter of your stern tube (shaft log).

SKU: pss-type-a Category: Tags: , , , , , , , , , , , , ,

Description

The PSS Shaft Seal is the #1 selling marine mechanical seal worldwide and is installed as standard equipment by many of the worlds most reputable boat builders and boat yards. The PSS Shaft Seal is also recognized as the premiere retrofit (aftermarket) seal on the world market. Boat builders and boat yards recognize the advantages and value of installing the PSS as it eliminates the maintenance, constant adjustment & cost associated with traditional packing type glands. Aside from these benefits, the PSS Shaft Seal helps to eliminate water in the bilge (100% water tight) & wear to the propeller shaft.

PSS Type A Compression Chart:

PSS Type A Dimension Drawing

 

Imperial
Shaft Diameter (A) Stern Tube Diameter (B) Approx Compressed Length (C) D
3/4″, 7/8″, 1″, 1-1/8″ 1-1/4″, 1-1/2″, 1-3/4″, 2″, 2-1/4″, 2-1/2″ 6″ – 6.125″ 2.375″
3/4″, 7/8″, 1″, 1-1/8″ 2-1/2″ 6.625″ 2.375″
1-1/4″, 1-3/8″ 1-3/4″, 2″, 2-1/4″, 2-1/2″ 6.625″ – 6.75″ 2.875″
1-1/4″, 1-3/8″ 2-3/4″, 3″, 3-1/4″, 3-1/2″ 8.125″ – 8.313″ 2.875″
1-1/2″, 1-9/16″, 1-3/4″, 2″ 2″, 2-1/4″, 2-1/2″, 2-3/4″, 3″, 3-1/4″, 3-1/2″ 8″ – 8.218″ 3.75″
1-1/2″, 1-9/16″, 1-3/4″, 2″ 3-3/4″, 4″ 8.405″ 3.75″
2-1/4″, 2-1/2″ 3-1/4″, 3-1/2″, 3-3/4″, 4″ 8.625″ 4.20″
2-1/4″, 2-1/2″ 4-1/4″, 4-1/2″, 4-3/4″, 5″ 9.25″ 4.20″
2-3/4″, 3″ 4″, 4-1/4″, 4-1/2″, 4-3/4″, 5″ 9.125″ – 9.313″ 5″
2-3/4″, 3″ 5-1/4″, 5-1/2″, 5-3/4″, 6″ 9.25″ – 9.438″ 5″
3-1/4″, 3-1/2″, 3-5/8″, 3-3/4″ 4-1/2″, 4-3/4″, 5″, 5-1/4″, 5-1/2″, 5-3/4″, 6″ 9.675″ – 9.863″ 6″

Metric (mm)
Shaft Diameter (A) Stern Tube Diameter (B) Approx Compressed Length (C) D
20, 22, 25, 28, 30 30, 40, 45, 50, 60 152 – 156 61
20, 22, 25, 28, 30 65 168 61
32, 35 45, 50, 60, 65 168 – 172 73
32, 35 70, 80, 85, 90 206 – 211 73
38, 40, 45, 50, 55 50, 60, 65, 70, 75, 80, 85, 90 203 – 209 96
38, 40, 45, 50, 55 95, 100 213 96
60, 65 85, 90, 95, 100 219 – 224 107
60, 65 110, 115, 120, 125 235 107
70, 75, 80 100, 110, 115, 120, 125 231 – 237 127
70, 75, 80 135, 140, 145, 150 235 – 240 127
85, 90, 95 115, 120, 125, 130, 135, 140, 145, 150 245 – 250 153

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