Smith & Loveless 1-7/8″ Mechanical Seal — Single or Double

Smith & Loveless 1-7/8″ Mechanical Seal — CRO & N-11 (Single or Double)

The Smith & Loveless 1-7/8″ mechanical seal is a direct-fit replacement seal for Smith & Loveless pumps running a 1-7/8″ shaft — choose your seal style and configuration from the dropdown and you’ll get the right seal for your pump. Each is built to OEM-equivalent standards or higher for the same fit and reliability as the original.

We offer this seal in two styles, each available single or double:

• CRO style — the OEM-style original Durametallic CRO design.

• N-11 style — a component seal design (Type 21 / Type C head) with a Carbon/SiC face and L-shaped O-ring seat.

At a glance:

• Shaft size: 1-7/8″

• Styles: CRO (OEM Durametallic) or N-11 (component)

• Configuration: Single or Double

• Faces: SiC/Carbon (CRO) · Carbon/SiC (N-11)

• Elastomers: Viton (FKM)

• Form: Seal assembly only (O-rings/gaskets sold separately)

What’s Included:

CRO Style (OEM equivalent to durametallic): A complete OEM-style CRO mechanical seal — rotary and stationary faces with elastomers.

• Single: one seal set

• Double: two seal sets

N-11 Style (Component): A complete N-11 component mechanical seal — Carbon/SiC faces.

• Single: one seal set

• Double: two seal sets

How to Order:

Select your style and configuration above — the price and cross-reference for that option will update. Not sure which you need, or matching from a worn seal? Send your pump model and a photo of the old seal to info@sealhouseusa.com, or call/text 561-414-1046. No purchase required — our seal specialists will match it.