Seal Refurbishment Services

Elastomer Chemical Compatibility

Seal Face Chemical Compatibility

ALFA LAVAL OEM REPLACEMENT SEALS

H87

  • Compact, bi-directional
  • Wave-spring pusher
  • O-ring mounted
  • Heavier-duty applications
  • Mechanical drive

H87 are better suited to poorer operating conditions found with self-priming rotary lobe pumps.

 

It is designed to be wave-spring driven, set-screwed with a thin  cross-section and short working length.

PARTS

A

B

C

D

E

F

G

H

O-ring

Stationary Holder

Stationary Face

Rotary Face

O-ring

Drive Collar

Set Screw

Wave-spring

EQUIVALENT

  • Operating conditions

Temperature:

Pressure:

Speed:

-40°C to 200°C

up to 20 bar, 290 psi

up to 5.5m/s, 1100 fpm

Type 87 (EI/EC)

RTH87 / R90

1682

W03SU

  • Material options

DATA SHEET

Rotary Face:

 

 

Stationary Face:

 

 

 

 

 

Elastomer:

Metal Parts

S.S. solid

 SiC inserted

 TC inserted

CAB solid

 CAB inserted

 SiC solid

 SiC inserted

 TC solid

 TC inserted

N, V or EP

Stainless Steel

H87

'TYPE 87'

PRODUCT INFORMATION

DIMENSIONS

PUMP COMPATIBILITY

Replaces the mechanical seals in:

 

Alfa Laval SR Range:

SR1, SR2, SR3, SR4, SR5, SR6

 

Alfa Laval SRU Range:

SRU1 / 005, SRU1 / 008

SRU2 / 013, SRU2 / 018

SRU3 / 027, SRU3 / 038

SRU4 / 055, SRU4 / 079

SRU5 / 116, SRU5 / 168

SRU6 / 260, SRU6 / 353

 

NMOG

LKPL

TSR

GHPD