Flowserve MSS Manual de usuario descargar pdf (Pagina 7)

Split Mechanical Seal MSS - Installation and maintenance instructions for machinery parts

Tools needed for installation:

- A 5/32“ T-handle or right angle Allen wrench.

- An open end wrench for the gland bolts.

- Two (2) 1/8“ Allen wrenches.

Cleanliness during installation is crucial to the satisfactory operation of the MSS

seal.

Installation of this seal requires the use of an adhesive to bond the O-ring

secondary seals together. Do not allow the adhesive to come in contact with the

skin.

There are two basic models of the MSS seal, piloted, see Figure 2, page 9, and

NON-Piloted, see Figure 3, page 13.

Seal chamber requirements

Figure 1

- Bearings must be in good condition.

- Maximum axial movement of shaft (end play) = 0.010inch (0.25 mm) FIM.

- Maximun combined shaft eccentricity and shaft deflection at face of housing

total = 0.150 inch (3.8 mm) FIM.

Shaft or sleeve O.D.

±0.001” (0.025 mm)

Face of seal housing to be square to

the axis of the shaft within 0.020”

(0.5 mm) FIM. and have a 63 µinch

(Ra 1.6 µm) finish or better.

Shaft or sleeve fin-

ish to be 32 µinch

(Ra 0.8 µm) finish

or better

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Flowserve MSS Manual de usuario Pagina 7