
Product Description
Graco Husky 2150 air-operated double diaphragm (AODD) metal pump, part number DF3521, aluminium fluid section and aluminium center section, with TPE (Hytrel) seats, Acetal balls and a PTFE/EPDM 2-Piece diaphragm (TPE/AC/PTFE configuration). Fluid ports are 2 in. (51 mm) NPT(f). Maximum free-flow delivery 150 gpm (568 lpm) at up to 120 psi (8 bar) fluid pressure. Graco factory model name: Husky 2150 AL 2 in. (51 mm) NPT Standard Pump, AL Center Section, TPE Seats, AC Balls & PTFE Diaphragm.
Technical Specifications
- Brand
- Graco
- Range
- Husky 2150 (air-operated double diaphragm), metal
- Part number
- DF3521
- Configuration code
- TPE/AC/PTFE (TPE (Hytrel) seat / Acetal ball / PTFE/EPDM 2-Piece diaphragm)
- Type
- Pneumatic (air-operated) double diaphragm pump
- Fluid section material
- aluminium
- Center section material
- aluminium
- Seat material
- TPE (Hytrel)
- Ball material
- Acetal
- Diaphragm material
- PTFE/EPDM 2-Piece
- Manifold configuration
- end port
- Maximum fluid working pressure
- 120 psi (8 bar, 0.84 MPa)
- Maximum free-flow delivery
- 150 gpm (568 lpm)
- Maximum pump speed
- 145 cpm
- Maximum size pumpable solids
- 0.25 in (6.35 mm)
- Maximum operating temperature (Graco product page)
- 200 degF (93 degC)
- Maximum air consumption
- 175 scfm
- Air pressure operating range maximum
- 120 psi (8 bar)
- Air inlet size
- 1/2 npt(f)
- Air exhaust port size
- 3/4 npt(f)
- Fluid inlet and outlet size
- 2 in (50.8 mm) npt(f)
- Weight (aluminium)
- 58 lb
- Standards met
- ATEX, CE
Standards & Compliance
- Material
- Aluminium (fluid section)
- Pressure Rating
- 120 psi (8 bar, 0.84 MPa)
- Temperature Range
- Maximum operating temperature 200 degF (93 degC) per the Graco product page for this PTFE/EPDM 2-Piece diaphragm configuration
- HS Code
- 8413.81
Compatibility & Fitment
Husky 2150 series, 2 in. NPT metal (aluminium) AODD pump — the metal-body counterpart of the polypropylene Husky 2150 (DF2911). Seat, ball and diaphragm materials are selected by configuration (TPE/AC/PTFE); confirm fluid compatibility before ordering.
Product Documentation
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Catalogue entry last verified: 2026-08-20. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy DF3521?
- DF3521 can be ordered from cballast.com as a Graco catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Graco product?
- The manufacturer part number is DF3521.
- What is the HS code for DF3521?
- The customs tariff (HS) code for DF3521 is 8413.81.
- Who manufactures DF3521?
- DF3521 is a Graco product in the Pumps range.
- Is a datasheet available for DF3521?
- Yes — the DF3521 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for DF3521?
- The minimum order quantity is 1.
- Is DF3521 available?
- Yes — DF3521 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).
