PARALLEL-SPRING SEALS

H104U

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

H104U is a JB/T 1472 compliant unbalanced mechanical seal for metric shafts, based on Chinese Machinery Industry Standard "Type 104".

 

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

S18

standard

  • Operating conditions¹

EQUIVALENT

JB/T 1472 - Type 104

DATA SHEET

Temperature:

Pressure:

Speed:

-20°C to +200°C

< 10 bar, 145 psi, 1 MPa

< 15m/s, 2950 fpm

rpm < 900000/(3.14 x D1)

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

H104U - Data Sheet

Rotary Face:

Stationary Face:

Elastomer:

Metal Parts:

SiC

SiC

N, V or EP

304S.S.

TYPE 104

PRODUCT INFORMATION

DIMENSIONS

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