US Seal Pool O-rings & Gaskets

Overview

The US SEAL PS-687 is a PS Pump Seal with a size of 0.875". This mechanical seal is a Type C- Equal to John Crane Type 21, and replaces Pentair Sta-Rite Pump Seal U9-18. It features a 1.5" Bore Cup Mounted Mating Ring and is made in the United States. Common applications include rotary and turbine pumps, compressors, mixers, blenders and chillers. PS Pump Seal Size: 0.875" Type C- Equal to John Crane Type 21 Product Highlights The PS-687 is a mechanical seal with a 0.875" size, designed for various applications including pumps, compressors, mixers, blenders and chillers. Product Information Standard Information Brand : US SEAL Manufacturer Part Number : PS-687 Country of Origin : US Technical Specifications Elastomer : Buna Head / Fittings : Type C- Equal to John Crane Type 21 Metal Parts : Stainless Steel Other Factors : 1.5" Bore Cup Mounted Mating Ring Part Type : Mechanical Seal Quick Specs : PS Pump Seal Rotary : Carbon Seal Code : BCFKF Size : 0.875" Spring : Stainless Steel Stationary : Ni-Resist Shaft Size : 0.875" (7/8") Rotary Head Type : US Seal Type C (John Crane Type 21) Rotary Head Material : SS/Carbon/Buna Rotary Head Dimensions : 1.312" OD, 0.937" Operating Height Stationary Seat Type : Cup Mounted Seat (US Seal Type 1) Stationary Seat Material : Ni-Resist(SS)/Buna Stationary Seat Dimensions : 1.500" Bore, 0.406" Thick Maximum Temperature : 225F (107C) Maximum Pressure : to 150 psi (10.3 Bar) Seal Faces : Carbon vs. Stainless