Seal Refurbishment Services

Elastomer Chemical Compatibility

Seal Face Chemical Compatibility

ALFA LAVAL OEM REPLACEMENT SEALS

H87D

  • Double Seal
  • High pressure barrier fluid

PARTS

H87D is the double seal arrangement of the H87 seal for use in Alfa Laval SRU series pumps. It is used to contain a high pressure barrier fluid.

  • Operating conditions

Temperature:

Pressure:

Speed:

-30°C to 260°C

up to 17 bar, 245 psi

up to 20m/s, 4000 fpm

A

B

C

D

E

F

G

H

I

O-ring

Stationary Holder

Stationary Face

Rotary Face

O-ring

Thrust Ring

Set Screw

Wave-spring

Housing

  • Material options

EQUIVALENT

Inboard Seal:

 

Outboard Seal:

 

Elastomer:

Metal Parts

TC/TC inserted

SiC/SiC inserted

TC/TC inserted

SiC/SiC inserted

 N, V or EP

Stainless Steel

Type 87 Double

"EI" or "EC" Seats

1694

DATA SHEET

H87D

'TYPE 87 DOUBLE'

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