Overview

Summit Pump manufactures a complete line of ANSI B73.1 replacement parts and repair kits engineered to fit Summit 2196 Series pumps and fully interchangeable with Goulds 3196, Griswold 811, and PumpWorks PWA process pumps. All components follow ANSI dimensional standards and support both oil‑lubricated and grease‑lubricated power‑end configurations.

Parts are available for STO, MTO, LTO, and XLO frame groups, including ST‑Plus, MT‑Plus, and XL‑Plus equivalents.

Estimated Replacement Frequency

Replacement intervals for ANSI pump components vary based on operating conditions, fluid chemistry, temperature, and lubrication practices. The following ranges reflect typical field experience for Summit 2196‑series pumps and cross‑OEM equivalents such as Goulds 3196, Griswold 811, and PumpWorks PWA.

• Power Ends: 3–7 years in continuous industrial service; longer with clean fluids and proper lubrication.
• Bearings: 18–36 months depending on load, alignment, and lubrication quality.
• Shaft Sleeves: 12–36 months depending on abrasives, seal type, and flush conditions.
• Mechanical Seals: 12–24 months for single seals; 18–36 months for double or cartridge seals.
• Packing Sets: 3–12 months depending on leakage allowance and flush water quality.
• Impellers: 3–10 years depending on corrosion/erosion rate and fluid abrasiveness.
• Casing Gaskets & O‑Rings: replaced during every disassembly or rebuild.
• Back Pull‑Out Assemblies: typically replaced or rebuilt every 5–10 years.

These ranges assume normal industrial duty. Severe corrosion, abrasives, cavitation, or poor lubrication can shorten intervals significantly, while clean service with proper alignment and oil quality can extend them.

Core Replacement Components

Casing & Liquid‑End Components

Summit supplies full liquid‑end coverage for ANSI process pumps, including:

• Casings (150# and 300# RF/RFF/FF options)
• Backplates / Dynamic Seal Backplates
• Stuffing Box Covers (Standard Bore, Big Bore, Jacketed)
• Seal Chambers
• Casing Gaskets & Cover Gaskets
• Impellers (standard, low‑flow, recessed, vortex)
• Impeller O‑Rings, Pipe Plugs, and Hardware
• Lantern Rings & Packing Sets

Materials include Ductile Iron, 316SS, CD4MCu, Alloy‑20, Hastelloy C, and Titanium for corrosive or specialty applications.

Rotating Assemblies & Back Pull‑Outs

Back Pull‑Out Assemblies

• Back Pull‑Out (complete)
• Back Pull‑Out Less Impeller
• Includes shaft, bearings, bearing housing, isolators, sleeve, and hardware
• Drop‑in compatible with 3196, 811, and PWA equivalents

Shafts & Sleeves

• Sleeve‑Type Shafts (4140/316SS, 316/316SS, 316 solid)
• Shaft Sleeves (316SS, CD4, Alloy‑20, NCB/HMC hard‑coated)
• Old‑Style Shafts for legacy installations

Impellers

• Standard enclosed impellers
• Low‑flow radial‑vane impellers
• Recessed / vortex impellers for solids‑handling
• Available for STO, MTO, LTO, XLO frame groups

Power Ends & Bearing Components

Power Ends

• Oil‑Lubricated Power Ends
• Grease‑Lubricated Power Ends
• Forever Frame™ 316SS Power Ends
• Available with or without frame adapter and foot

Bearings & Bearing Hardware

• Radial Bearings
• Thrust Bearings (single or duplex)
• Inboard / Outboard Bearings
• Bearing Housings & End Covers
• Labyrinth Seals (Inboard/Outboard)
• Labyrinth O‑Rings & Housing O‑Rings
• Deflectors & Deflector Assemblies

All bearing components match 3196 and PWA dimensional standards.

Seal & Gland Components

Mechanical Seal Components

• Mechanical Seals (single, double, cartridge)
• Seal Glands
• Seal Gland O‑Rings & Gaskets
• Stationary Seats & Rotary Units

Packing Components

• Packing Glands
• Packing Sets
• Lantern Rings
• Flush Glands & Quench Glands

Dynamic Seal Components

• Dynamic Seal Backplates
• Dynamic Seal Stuffing Box Covers

Adapters, Guards & Structural Components

Adapters & Guards

• Frame Adapters
• Adapter Guards
• C‑Face Motor Adapters
• Coupling Guards
• Motor End Plate Covers

Structural Components

• Baseplates
• Pump Feet & Frame Feet
• Frame Pins & Cap Screws
• Roll Pins, Studs, Bolts, Nuts, Washers

Kits for Maintenance & Overhaul

Shaft Kits

Available for STO, MTO, LTO, XLO:

• Sleeve‑type or solid‑shaft assemblies
• Includes bearings, sleeve (if applicable), hardware, coupling key
• Offered in 316SS, CD4, Alloy‑20, and coated variants

Maintenance Kits

Frame‑specific kits for STO, MTO, LTO, XLO:

• Labyrinth seal O‑rings
• Casing gasket
• Adapter gasket
• Lock washer
• Impeller O‑ring
• Bearing housing O‑ring

Repair Kits

• Consolidated sets for field rebuilds
• Includes critical gaskets, O‑rings, seals, and hardware

Liquid‑End Kits

• Casing gasket
• Stuffing box cover gasket
• Impeller O‑ring
• Cover hardware