Description

Berliss™ Mechanical Seal Assembly, Type 21A, 7/8 in Inside Dia, 1.425 in OD Seal Head, 1-1/2 in OD Mating Ring, 0.406 in THK Mating Ring, Head Crimped, Buna-N Elastomer, Carbon Primary Ring, Stainless Steel Metal Parts, Ni-Resist Mating Ring, 304/316 Stainless Steel Spring, 200 deg F, 230 psi

Features:

• Unbalanced, bi-directional

Applications:

Pool, Spa Pumps, Centrifugal Pumps and Well Point Pumps

Standards/Approval:

• BSA
• ICWM
• MHIA
• NCA

Elastomers Material	Buna-N
Head Type	Crimped
Inside Diameter	7/8 in
Mating Ring Material	Ni-Resist
Mating Ring Outside Diameter	1-1/2 in
Mating Ring Thickness	0.406 in
Metal Parts Material	Stainless Steel
Pressure Rating	230 psi
Primary Ring Material	Carbon
Seal Head Outside Diameter	1.425 in
Spring Material	304/316 Stainless Steel
Temperature Rating	200 deg F
Type	Type 21A
Manufacturer	Berliss Companies