Summit Pumps

Series Overview
• ANSI B73.1 chemical process pump
• Standard hydraulic model
• End suction / top discharge
• Open impeller design
• Bare pump construction
• Back pull out rotating assembly
• Shared mechanical architecture with 2196LF and 2196R

Hydraulic Coverage
• Sizes: 1×1.5‑6 through 6×8‑13
• Flow range: 10–3,000 GPM
• Head range: 10–730 ft
• Efficiency: high (BEP 50–85%)
• Impeller type: enclosed, radial flow
• Impeller trims: full, cut, minimum
• NPSH performance per ANSI B73.1 hydraulic envelope

Material Options
• Ductile Iron (DI)
• 316 Stainless Steel
• CD4MCu Duplex Stainless
• Alloy‑20
• Hastelloy C
• Optional sleeve coatings: HMC / NCB
• Optional wetted component upgrades by alloy

Mechanical Architecture
• Open impeller threaded to shaft
• Confined casing gasket
• Integral foot support
• Self‑venting casing
• Stuffing box or seal chamber
• External impeller adjustment by frame

Frame Sizes
• STO: 1.375 in shaft
• MTO: 1.750 in shaft
• LTO: 2.125 in shaft
• XLO: 2.500 in shaft
• Frame determines bearing size, shaft stiffness, allowable HP

Back Pull Out Assembly
• Rotating element removable without disturbing piping
• Includes shaft, bearings, bearing housing, isolators, impeller
• Consistent across 2196, 2196LF, 2196R
• Supports field rebuilds and dimensional interchangeability

Power Ends
• Fully assembled units
• SKF radial and thrust bearings
• Labyrinth isolators
• Magnetic drain plug
• Enlarged oil reservoir
• Sight glass
• Available in STO, MTO, LTO, XLO
• Interchangeable across all 2196 variants

Forever Frame™ (316 Stainless Steel Power End)
• 316 stainless steel construction
• Improved thermal stability
• Corrosion resistance
• Compatible with all frame sizes
• Includes stainless fasteners, plugs, sight glass, frame foot

Shaft Kits
• Available for STO, MTO, LTO, XLO
• Sleeve‑type and solid‑type assemblies
• Material options: 4140 + 316 sleeve, 316 + 316 sleeve, 316 solid
• Kits include bearings, sleeve (if applicable), hardware, coupling key

2196 Base Model
• Standard ANSI chemical process pump
• Broad hydraulic coverage
• Compatible with all frame sizes
• Standard impeller clearance settings by frame

Cross Compatibility
• Fully ANSI/ASME B73.1 compliant
• Interchangeable with Goulds 3196
• Frame groups: STO ↔ ST, MTO ↔ MT, LTO ↔ LT, XLO ↔ XLT
• Compatible with PumpWorks PWA
• Back pull out assemblies follow ANSI serviceability pattern
• Forever Frame maintains compatibility with 3196 and PWA

Series Overview
• ANSI B73.1 low‑flow chemical process pump
• Low‑flow / high‑head hydraulic design
• End suction / top discharge
• Radial vane impeller
• Bare pump construction
• Back pull out rotating assembly
• Shares mechanical architecture with 2196 and 2196R

Hydraulic Coverage
• Sizes: 1×1.5‑6LF through 3×4‑13LF
• Flow range: 5–500 GPM
• Head range: 50–700 ft
• Efficiency: moderate (BEP 30–60%)
• Impeller type: enclosed low‑flow radial vane
• Impeller trims: full, cut
• Designed for stable operation at reduced capacities

Material Options
• Ductile Iron (DI)
• 316 Stainless Steel
• CD4MCu Duplex Stainless
• Alloy‑20
• Hastelloy C
• Optional sleeve coatings: HMC / NCB
• Wetted component upgrades available by alloy

Mechanical Architecture
• Radial vane impeller with balance holes
• Confined casing gasket
• Integral foot support
• Self‑venting casing
• Stuffing box or seal chamber
• External axial impeller adjustment

Frame Sizes
• STO: 1.375 in shaft
• MTO: 1.750 in shaft
• LTO: 2.125 in shaft
• LF models do not use XLO
• Frame determines bearing size, shaft stiffness, allowable HP

Back Pull Out Assembly
• Rotating element removable without disturbing piping
• Includes shaft, bearings, bearing housing, isolators, impeller
• Consistent across 2196, 2196LF, 2196R

Power Ends
• Fully assembled units
• SKF radial and thrust bearings
• Labyrinth isolators
• Magnetic drain plug
• Enlarged oil reservoir
• Sight glass
• Available in STO, MTO, LTO
• Interchangeable across all 2196 variants

Forever Frame™ (316 Stainless Steel Power End)
• 316 stainless steel construction
• Improved thermal stability
• Corrosion resistance
• Compatible with STO, MTO, LTO
• Includes stainless fasteners, plugs, sight glass, frame foot

Shaft Kits
• Available for STO, MTO, LTO
• Sleeve‑type and solid‑type assemblies
• Material options: 4140 + 316 sleeve, 316 + 316 sleeve, 316 solid
• Kits include bearings, sleeve (if applicable), hardware, coupling key

2196LF Variant
• Low‑flow hydraulic geometry
• High‑head performance
• Stable operation at reduced capacities
• Interchangeable with 2196 components in STO, MTO, LTO
• Maintains ANSI dimensional envelope

Cross Compatibility
• Fully ANSI/ASME B73.1 compliant
• Interchangeable with Goulds 3196LF
• Frame groups: STO ↔ ST, MTO ↔ MT, LTO ↔ LT
• Compatible with PumpWorks PWA‑LF
• Back pull out assemblies follow ANSI serviceability pattern
• Forever Frame maintains compatibility

Series Overview
• ANSI B73.1 recessed‑impeller process pump
• Solids‑handling hydraulic design
• End suction / top discharge
• Vortex / recessed impeller
• Bare pump construction
• Back pull out rotating assembly
• Shares mechanical architecture with 2196 and 2196LF

Hydraulic Coverage
• Sizes: 1.5×3‑6R through 6×8‑13R
• Flow range: 50–2,500 GPM
• Head range: 10–300 ft
• Efficiency: reduced vs. standard ANSI
• Impeller type: recessed vortex
• Solids passage: wide, unobstructed flow path
• Suitable for fibrous, stringy, shear‑sensitive fluids

Material Options
• Ductile Iron (DI)
• 316 Stainless Steel
• CD4MCu Duplex Stainless
• Alloy‑20
• Hastelloy C
• Optional sleeve coatings: HMC / NCB
• Wetted component upgrades available by alloy

Mechanical Architecture
• Recessed impeller for solids handling
• Spherical casing for wide flow path
• Reduced solids contact
• Confined casing gasket
• Integral foot support
• Self‑venting casing
• Stuffing box or seal chamber
• External impeller adjustment
• Heavy‑duty shaft and bearings

Frame Sizes
• STO: 1.375 in shaft
• MTO: 1.750 in shaft
• LTO: 2.125 in shaft
• XLO: 2.500 in shaft
• Frame determines bearing size, shaft stiffness, allowable HP

Back Pull Out Assembly
• Rotating element removable without disturbing piping
• Includes shaft, bearings, bearing housing, isolators, impeller
• Consistent across 2196, 2196LF, 2196R

Power Ends
• Fully assembled units
• SKF radial and thrust bearings
• Labyrinth isolators
• Magnetic drain plug
• Enlarged oil reservoir
• Sight glass
• Available in STO, MTO, LTO, XLO
• Interchangeable across all 2196 variants

Forever Frame™ (316 Stainless Steel Power End)
• 316 stainless steel construction
• Improved thermal stability
• Corrosion resistance
• Compatible with all frame sizes
• Includes stainless fasteners, plugs, sight glass, frame foot

Shaft Kits
• Available for STO, MTO, LTO, XLO
• Sleeve‑type and solid‑type assemblies
• Material options: 4140 + 316 sleeve, 316 + 316 sleeve, 316 solid
• Kits include bearings, sleeve (if applicable), hardware, coupling key

2196R Variant
• Recessed impeller for solids handling
• Wide, unobstructed flow path
• Suitable for fibrous and shear‑sensitive fluids
• External impeller adjustment
• Heavy‑duty shaft and bearings
• Interchangeable power ends with 2196 and 2196LF

Cross Compatibility
• Fully ANSI/ASME B73.1 compliant
• Interchangeable with Goulds 3196R
• Frame groups: STO ↔ ST, MTO ↔ MT, LTO ↔ LT, XLO ↔ XLT
• Compatible with PumpWorks PWA‑R
• Back pull out assemblies follow ANSI serviceability pattern
• Forever Frame maintains compatibility

ANSI Chemical Process Pump Repair Parts & Kits - Summit Pumps 

Series Overview

• ANSI B73.1 chemical‑process pump replacement parts
• Engineered to fit Summit 2196, Goulds 3196, Griswold 811, PumpWorks PWA
• Supports STO, MTO, LTO, XLO frame groups (ST‑Plus, MT‑Plus, XL‑Plus equivalents)
• Oil‑lubricated and grease‑lubricated configurations
• Full liquid‑end, rotating‑end, and power‑end coverage
• Material options include DI, 316SS, CD4MCu, Alloy‑20, Hastelloy C, Titanium

Mechanical Architecture

• All parts follow ANSI/ASME B73.1 dimensional standards
• Direct interchangeability with 3196 and PWA components
• Shared frame architecture across STO/MTO/LTO/XLO
• Supports back‑pull‑out rebuilds and complete rotating‑element replacements
• Sleeve‑type and solid‑shaft configurations supported
• Standard bore, big bore, and jacketed seal chambers

Hydraulic & Liquid‑End Components

• Casings (150# and 300# RF/RFF/FF)
• Backplates and dynamic‑seal backplates
• Stuffing box covers (standard, big‑bore, jacketed)
• Seal chambers for mechanical seals and packing
• Impellers (standard, low‑flow, recessed/vortex)
• Impeller O‑rings, pipe plugs, hardware
• Casing gaskets, cover gaskets, adaptor gaskets
• Lantern rings and packing sets
• Liquid‑end kits for field rebuilds

Material Availability

• Ductile Iron
• 316 Stainless Steel
• CD4MCu Duplex
• Alloy‑20
• Hastelloy C
• Titanium (select covers and components)

Rotating Assemblies & Back Pull‑Outs

• Complete back pull‑out assemblies
• Back pull‑out less impeller
• Rotating elements include shaft, bearings, housing, isolators, sleeve
• Fully compatible with 2196, 3196, 811, and PWA dimensional envelopes
• Supports rapid field rebuilds without disturbing piping

Shaft & Sleeve Options

• 4140 shaft with 316SS sleeve
• 316SS shaft with 316SS sleeve
• 316SS solid shaft
• NCB/HMC hard‑coated sleeves for abrasive or seal‑sensitive service

Power Ends & Bearing Components

• Oil‑lubricated power ends
• Grease‑lubricated power ends
• Forever Frame™ 316SS power ends
• Power ends with or without frame adapter and foot
• SKF radial and thrust bearings
• Duplex thrust‑bearing options
• Bearing housings, end covers, deflectors
• Inboard/outboard labyrinth seals and O‑rings
• Bearing housing O‑rings and thrust‑seal O‑rings

Seal & Gland Components

• Mechanical seals (single, double, cartridge)
• Seal glands, gland gaskets, gland O‑rings
• Stationary seats and rotary units
• Packing glands and packing sets
• Lantern rings
• Flush glands, quench glands
• Dynamic seal backplates and dynamic seal stuffing box covers

Adapters, Guards & Structural Components

• Frame adapters and adapter guards
• C‑face motor adapters
• Coupling guards
• Baseplates and pump feet
• Frame feet, frame pins, cap screws
• Hardware kits (studs, bolts, nuts, washers, retaining rings)
• Drip pans and cooling elements
• Equalizer expansion chambers
• Finned cooler tubes

Kits for Maintenance & Overhaul

Shaft Kits
• STO, MTO, LTO, XLO
• Sleeve‑type or solid‑shaft assemblies
• Includes bearings, sleeve (if applicable), hardware, coupling key

Maintenance Kits
• Frame‑specific kits for STO, MTO, LTO, XLO
• Includes casing gasket, adaptor gasket, impeller O‑ring, labyrinth O‑rings, lock washer, bearing housing O‑ring

Repair Kits
• Consolidated gasket/O‑ring/seal hardware sets for field rebuilds

Liquid‑End Kits
• Casing gasket, stuffing box cover gasket, impeller O‑ring, cover hardware

Replacement Interval

• Power ends: typical service life 3–7 years depending on load, lubrication quality, and operating environment
• Bearings: 18–36 months in standard industrial duty
• 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 and O‑rings: replaced at every disassembly or rebuild
• Back pull‑out assemblies: typically rebuilt or replaced every 5–10 years

Notes
• Intervals assume normal industrial duty with proper alignment and lubrication
• Abrasives, corrosion, cavitation, or poor lubrication shorten service life
• Clean fluids, stable hydraulics, and high‑quality lubrication extend service life

Cross‑Compatibility

• Fully ANSI/ASME B73.1 dimensional compliant
• Direct interchangeability with Goulds 3196 (ST, MT, LT, XLT frames)
• Compatible with PumpWorks PWA and Griswold 811
• Hydraulic sizes match ANSI suction/discharge/impeller combinations
• Power ends and shaft kits align with 3196 and PWA frame groups
• Back pull‑out assemblies follow ANSI serviceability patterns
• Forever Frame™ stainless power ends maintain cross‑OEM compatibility

Summit Pumps ANSI Mechanical Seals & Packing

Seaflo, Flexaseal, AES Seal, John Crane and Flush Lines, Drill & Taps, Casing Drain Plugs

Summit Pumps Mechanical Seals / Packing & Cartridges for Centrifugal Pumps based on Shaft Size. Repair your ANSI Chemical Process Pumps with new Mechanical Seals & Cartridges as well as Packing.

Models: 3196 / 3175 - Summit 2196 / 2175, Clark 2, Clark 3, 4610, 5610.

Sealflo Type 1 - Elastomer Diaphragm Seals 

• Sizes: ø 0.500” to 4.000”
• Pressures: Up to 290psi
• Temperatures: -30°F to 320 °F
• Velocity: 66 ft/sec

Materials: Rotary faces: carbon graphite, silicon carbide, tungsten carbide. Stationary seats: alumina ceramic, silicon carbide, tungsten carbide. Bellows, secondary seals: CR, EPDM, FPM, FEPM, HNBR, NBR. Springs, other metal components: AISI 304, 316.

3196 to 2196 ANSI Chemical Process Pumps Single Seal & Double Seal Cartridge Seals Available along with Braided Packing / Graphite / PTFE & Restrictor Bushings.

Flexaseal Engineered Seals - VSMS, VBSMS, MTSMS & VBTSMS Cartridge Seals.

• Standoard Bore Stationary Multi-Spring (VSMS) Single Cartridge Seals
• Big / Taper Bore Stationary Multi-Spring (VBSMS) Single Cartridge Seal
• Standard Bore TANDEM Stationary Multi-Spring (VTSMS) Cartridge Seal
• Big / TaperBore TANDEM Stationary Multi-Spring (VBTSMS) Cartridge Seals

AESSEAL Mecahnical Seal Cartridge Seals

• CSSN "OEM Style" Cartridge Single Seals
• CURC "Standard" Cartridge Single Seal
• CDPN "OEM Style" Cartridge Double Seal

John Crane Model Seals

• Model 4610 Cartridge Seals - Standard Bore & Large Bore
• Model 5610 Cartridge Seals - Standard Bore Covers
• Flush Lines, Fittings & Drill / Taps, Casing Drains & Plugs.

Purchase your Summit Pumps ANSI Chemical Process Pump Mechnical Seals, Cartridges and Packing Today!