Seal Refurbishment Services

Elastomer Chemical Compatibility

Seal Face Chemical Compatibility

DIAPHRAGM SEALS

H1US

  • Suits US imperial sizes
  • Long working length
  • Alternate drive band design

H1US suits the same US imperial standards as H21, but has a narrower profile and longer working length. The drive band is designed differently such that the spring is positioned to sit up against the back of the drive band.

PARTS

A

B

C

D

E

F

G

H

Seat Cup

Seat (CM Standard)

Rotary Face

Retainer

Rubber Diaphragm

Drive Band

Spring

Spring Cap

  • Operating conditions

EQUIVALENT

Temperature:

Pressure:

Speed:

-40°C to 200°C

up to 12.5 bar, 180 psi

up to 18m/s, 3500 fpm

  • Material options

43 CU Long

Type 1, 1B*

P05U

Type A5*

MG901

Rotary Face:

Stationary Face:

Elastomer:

Metal Parts

CAB, SiC

CER, SiC, TC

N, V

Stainless Steel

STANDARD SEAT

CM, G55

OG

US imperial cup seat

US imperial o-ring seat

ALTERNATIVE SEAT

N, G50

W

Euro imperial cup seat

Euro imperial o-ring seat

DATA SHEET

H1US - Data Sheet

TYPE 1 - US

PRODUCT INFORMATION

DIMENSIONS

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