Berliss

Shaft Size: 5/8 inch (0.625") Materials: Buna-N elastomers (rubber), ceramic stationary ring, molded plastic primary ring, and stainless- steel hardware/springs. Design Equivalence: Equivalent to a John Crane Type 6 / Type A rotary head. Operational Limits: Rated for pressures up to 75 PSI and maximum fluid temperatures of 225°F (107°C).

3/4" Shaft Dia
1.437" Seat OD
Head Type A
Seat Type 1
Buna Pump Seal

Pump Seal
Item #101696476
5/8" Shaft Dia
1.187" Seat OD
Head Type C
Seat Type 1
Buna Pump Seal

Shaft Diameter: 5/8 inch (0.625") Mating Ring Outer Diameter: 1.25 inches (or 1-3/8" depending on seat configuration Standard Materials: Buna-N elastomers, carbon graphite primary ring, ceramic stationary seat, and stainless- steel hardware. Operating Limits: Handles pressures up to 75 PSI and operational speeds up to 1750 RPM. Temperature Range: Tolerates extreme temperatures from -40°F to +400°F.

Shaft Size: 1.250" (1-1/4 inches) Rotary Head Type: Type C (Elastomer bellows with a single coil tapered spring) Stationary Seat Type: Type 1 (Cup-mounted mating ring) Stationary Bore Cup Diameter: 1.765"Operating Temperature Range: -40°F to 225°F (-40°C to 107°C) Maximum Operating Pressure: 150 PSI (10.3 Bar)

Metric Specification Shaft Size / Inside Diameter1.750" (1-3/4 inches) Rotary Head Style US Seal Type E (Equal to John Crane Type 1) Seal Head Dimensions2.375" Outside Diameter (OD) x 2.000" Operating Height Stationary Seat Style Cup Mounted Seat (US Seal Type 1) Stationary Seat Dimensions2.500" Bore / Seat OD x 0.500" Thickness Standard Seal Faces Carbon (Primary Ring) vs. Ceramic (Mating Ring)Standard ElastomersBuna-N RubberHardware ComponentsStainless Steel Metal Parts & Single Coil Spring