Seal Refurbishment Services

Elastomer Chemical Compatibility

Seal Face Chemical Compatibility

JOHNSON OEM REPLACEMENT SEALS

HTW

  • Suits Johnson TopWing pumps
  • Balanced, hygienic design
  • Bi-directional
  • Enclosed spring
  • Single or flushed

HTW is designed to replace the single or single flushed mechanical seals in Johnson (SPX) TopWing heavy duty ultra-hygienic rotary lobe pumps.

 

The spring loaded stationary part is fixed into the rotor case (pusher type seal). The rotating seat is built into the rotor and is locked by means of pins and slot.

PARTS

A

B

C

D

E

F

G

H

Rotary O-ring

Rotary Face

Stationary Face

Stationary O-ring

Wave-spring

O-ring (flush only)

Stationary Housing

Lip Seal (flush only)

DATA SHEET

HTW - Data Sheet

  • Material options

Rotary Face:

Stationary Face:

Elastomer:

Metal Parts:

SiC

SiC

N, V, EP

S.S.

'JOHNSON (SPX) - TOPWING SERIES'

PRODUCT INFORMATION

PUMP COMPATIBILITY

Suits Johnson (SPX) TopWing Rotary Lobe Pumps:

 

TW1

TW2

TW3

TW4 (N/A)