DOUBLE ACTING SEAL

PROFILE W-EDBM

It is a bi-directional compact system sealing, compounded by three elements:

  1. sealing ring made of NBR, located in the center of the system.

  2. two non extrusion rings (backing) made of polyester with lubricant additives.

  3. two guide rings to keep centered the piston.

All this allow install the W-EDBM in only one groove. Therefore it allows the usage of shorter pistons. The working pressure is about 250 bar, and the working temperature oscillates between 40 C to 110 C.

 

D

Nominal

Tolerances and Grooves Dimensions Chart

D

d (Tolerance) E G M

P ( Piston)

0 + 50

Cylinder

+ 0.10  -0.00 H + 2%

G: 6.35

+ 0.10

-0.00

0.05 Cylinder - 1
51 + 80 + 0.12  -0.00
81 + 115 + 0.14  -0.00
116 + 250 + 0.16  -0.00

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Alvarez 155 Cp(1768) Ciudad Madero Buenos Aires - Repblica Argentina

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