Grundfos 91122128 - TP 50-40/4 A-G-Z-BUBE-XY4 | Centrifugal

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GrundfosSKU: 91122128

Price:
Sale price$2,913.90 Regular price$5,298.00
Delivery date to be confirmed on Sales Order
or Call for most up to date lead times. (781) 281-8905

Description

Grundfos — World's Largest Pump Manufacturer · Bjerringbro, Denmark
91122128 · Inline Single-Stage Centrifugal Pump
TP

The Grundfos 91122128 (TP 50-40/4 A-G-Z-BUBE-XY4) is a Inline Single-Stage Centrifugal Pump. Single-stage close-coupled inline pump for HVAC heating and cooling. Suction and discharge on the same centerline.

Grundfos
World's largest pump manufacturer — engineering and manufacturing in 17 countries since 1945
Industrial Grade
Built and tested to IEC and NEMA standards
Authorized Distributor
Genuine Grundfos product — full manufacturer warranty coverage
Expert Support
Technical help available — call (781) 281-8905 or chat
Why This Product

Genuine Grundfos Part

OEM component engineered and manufactured to Grundfos specifications. Maintains pump performance and warranty coverage.

Full Traceability

Genuine Grundfos parts carry manufacturer traceability from production through delivery. No counterfeit risk.

Authorized Source

PumpStop is an authorized Grundfos distributor. All parts are genuine — not aftermarket, not surplus.

Confirm Compatibility

Always verify part number against your pump model number and serial number before ordering. Contact PumpStop for parts identification assistance.

Technical Support Available

PumpStop technical team can identify correct parts from pump nameplate data, serial number, or model code. Call (781) 281-8905 or chat.

Contact for Availability

Parts availability varies. Contact PumpStop to confirm stock, lead time, and pricing before placing an order.

Model Information — 91122128
Series: TP
Technical Specifications
Model Number 91122128
Product Series TP
Series Description Inline Single-Stage Centrifugal Pump
Important Notices
Electrical Verify supply voltage, phase, and frequency match nameplate before installation.
Temperature limits Do not exceed max fluid temperature per nameplate. Exceeding limits damages seals and motor insulation.
Dry running Do not run dry. TP pumps use the pumped fluid to lubricate the shaft seal. Dry running destroys the seal within seconds. Install dry-run protection on all automatic installations.
Maintenance Refer to the Grundfos Installation and Operating Manual (IOM) for correct installation, commissioning, and maintenance. Contact PumpStop for documentation.
Documentation
✓ Installation and Operating Manual (IOM) — TP Series
✓ Product Data Sheet — 91122128
✓ Service Manual and Spare Parts List
Need the IOM, data sheet, or spare parts list? Contact PumpStop and we'll send it over.
Before You OrderConfirm model code, voltage, phase, and frequency match your installation. For sizing help, spare parts, or documentation, call (781) 281-8905 or chat with PumpStop.
Actual impeller diameter 3.56 in
Connection 2"
Country code Namreg
Curve tolerance ISO 9906:1999 Annex A
Diameter 3.56 in
Flange standard USA
Gross weight 58.0 lb
Housing Bronze
Impeller Stainless steel
Liquid max temp 284°F
Liquid temperature range 5 .. 284 °F
Maximum operating pressure 145.04 psi
n rpm 2"
Pipe connection 2"
Primary shaft seal BUBE
Pump housing Bronze
Rated flow 70.4 US gpm
Rated head 10.17 ft
Shaft Product name:TP 50-40/4 A-G-Z-BUBE-XY4
Shaft seal BUBE
Standard USA

Motor Curves

Dimensional Drawing

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