Seal Refurbishment Services

Elastomer Chemical Compatibility

Seal Face Chemical Compatibility

EXTERNAL SEALS

HWB2

  • PTFE bellows
  • Externally mounted
  • Non-metallic
  • Multi-spring arrangement
  • Corrosive applications

HWB2 is an externally mounted multi-spring seal and is based on the now discontinued Crane Type WB2.

 

The rotary is designed to be clamped to the shaft, rather than set screwed. It can be run against different pump=specific seats, but is designed to run against the industry standard "V" seat.

PARTS

A

B

C

D

E

F

G

"V" Seat

PTFE Gasket

Rotary Face

PTFE Bellows

Multi-spring

Drive Collar

Clamping Set Screw

EQUIVALENT

WB2

STANDARD SEAT

  • Operating conditions

Temperature:

Pressure:

Speed:

up to 120°C

up to 5 bar, 72 psi

up to 10m/s, 2000 fpm

V

S08 / S08U

Type 25

DATA SHEET

  • Material options

HWB2 - Data Sheet

Standard "XXA"

Alternative "XXB"

Bellows:

Metal Parts

SiC/SiC

CER/PTFE

PTFE

Stainless Steel

TYPE WB2 - PTFE BELLOWS

PRODUCT INFORMATION

DIMENSIONS

note: dimensions refer to installed length, not 'free' length