Description

Berliss™ Mechanical Seal Assembly, Type 21 Standard, 1-1/4 in Inside Dia, 1.937 in OD Seal Head, 1-7/8 in OD Mating Ring, 0.437 in THK Mating Ring, EPR Elastomer, Silicon Carbide Primary Ring, Stainless Steel Metal Parts, Silicon Carbide Mating Ring, 304/316 Stainless Steel Spring, 300 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	EPR
Inside Diameter	1-1/4 in
Mating Ring Material	Silicon Carbide
Mating Ring Outside Diameter	1-7/8 in
Mating Ring Thickness	0.437 in
Metal Parts Material	Stainless Steel
Pressure Rating	230 psi
Primary Ring Material	Silicon Carbide
Seal Head Outside Diameter	1.937 in
Spring Material	304/316 Stainless Steel
Temperature Rating	300 deg F
Type	Type 21 Standard
Manufacturer	Berliss Companies