PARALLEL-SPRING SEALS

H104B

  • O-Ring, Parallel-Spring Pusher
  • To PRC JB/T 1472 Standards
  • Balanced
  • Bi-directional

H104B is a JB/T 1472 compliant balanced mechanical seal for metric

shafts, based on Chinese Machinery

Industry Standard "Type B104".

 

A non-clogging parallel spring is protected and housed internally inside a holder. It is set screwed to the shaft,

providing drive in either rotational direction.

PARTS

A

B

C

D

E

F

G

H

Stationary O-ring

Stationary Face / Ring

Rotary Face / Ring

Rotary O-ring

Rotary Thrust Ring

Rotary Parallel Spring

Rotary Holder

Rotary Set Screws

SEAT OPTIONS

S20

standard

  • Operating conditions¹

EQUIVALENT

JB/T 1472 - Type B104

DATA SHEET

Temperature:

Pressure:

Speed:

-20°C to +200°C

< 30 bar, 435 psi, 3 MPa

< 13m/s, 2560 fpm

rpm < 780000/(3.14 x D2)

¹Guide-values only (due to diversity of possible applications). Enquire for specific-use cases. Maximum values of each parameter cannot be applied together.

  • Material options

H104B - Data Sheet

Rotary Face:

Stationary Face:

Elastomer:

Metal Parts:

SiC

SiC

N, V or EP

304S.S.

TYPE B104

PRODUCT INFORMATION

DIMENSIONS

Dimensions refer to installed length, not 'free' length: