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
