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AF0844 Series Chop Check Piston Pump

  • 44:1 Ratio
  • 8" Air Motor
  • Max Flow: 3.8 GPM (14.3 l/min)
  • Max Fluid Pressure: 5,964 psi (411.2 bar)
  • Lower pump material available in carbon steel or stainless steel

Chop-Check pumps are designed to move medium-to-high viscosityfluids in difficult applications.

The heavy-hitters of the line, ARO® chop-check pumps are designed to move medium-to high- viscosity fluids ranging from 15,000 cPs to more than 1,000,000 cPs, and at delivery rates up to 12.2 gpm (46.3 L/min).

Applications advantages of Chop-Check:

Extrusion: Chop-Check pumps are workhorses - able to deliver viscous adhesives, sealants, caulking and heavy lubricants to the application point at the desired pressure and flow rate.

Transfer & Supply: Depending on the model, some Chop-Check pumps are capable of achieving flow rates up to 12.2 gpm, ensuring efficient transfer of heavy greases, inks and other viscous materials.

Materials advantages of Chop-Checks:

Chop-Check pumps have a primer piston to ‘feed’ material into the pump. They are often used in conjunction with a follower plate to force material down. This prevents loss of prime due to Channeling - a condition where the pump inlet becomes surrounded by air due to the cavity formed when a high viscosity material does not level off when removed (Slumpability).

  • Stringy materials: Chop-Checks have mechanical, flat checks to overcome materials that resist cut-off and adhere to themselves.
  • Tacky materials: Chop-Check pump options come in high ratios to generate the fluid pressure needed to move materials that will adhere to hoses and equipment while wet.
piston pump AF0844 flow directions

Available Models

Pump Model**

Lower Pump Model Material

Plunger Material

Upper Packings

AF0844S11FF47

Carbon Steel

Nickel-Plated

17-4 Stainless Steel w/Hard Chrome

AF0844S11HH47

Carbon Steel

Nickel-Plated

17-4 Stainless Steel w/Hard Chrome

AF0844S11RK47

Carbon Steel

Nickel-Plated

17-4 Stainless Steel w/Hard Chrome

AF0844T11FF4G 

Stainless Steel

17-4 Stainless Steel w/Hard Chrome 

UHMW-PE 

AF0844T11KK4G 

Stainless Steel

17-4 Stainless Steel w/Hard Chrome 

Glass Filled PTFE 

AF0844T11RK4G 

Stainless Steel

17-4 Stainless Steel w/Hard Chrome 

Glass Filled PTFE/ UHMW-PE (Staggered) 

AF0844T11SS4G 

Stainless Steel

17-4 Stainless Steel w/Hard Chrome 

Virgin PTFE 

**Add “-1” to model number for ball valve regulator 

Ratio

44:1

Stroke

6” (15.24 cm)

Material Inlet

Flange Mount

Material Outlet

1” NPT(F)

Air Inlet (female)

1/2” NPT(F)

Air Inlet Pressure Range psi (bar)

30 - 120 (2.1 - 8.3)

Fluid Pressure Range psi (bar)

1320 - 5964 (91.0 - 411.3)

Max Cycles/Minute

70

Displacement/Cycle cu in (cm3)

12.5 (204.8)

Cycles/gal (L)

18.5 (4.8)

Flow @ 60 Cycles gpm (L/min)

3.8 (14.3)

Noise Level @ 60 psi dBA

86.8

Weight* lb (kg)

165 (74.8)

Container Suitability

Remote Mounting

A 1 in (mm)

50.60(1285.32)

B in (mm)

27.55 (699.72)

C in (mm)

17.74 (450.49)

piston pump AF0844 flow rate
piston pump AF0844 dimensions

TPX SeriesTwo Post Ram5 Gallon

TPXシリーズ 2ポスト5ガロン

TPX SeriesTwo Post Ram55 Gallon

TPX Series Two-post 5-gall

HDX SeriesHeavy Duty Two Post Ram55 Gallon

HDX Series Two-post 5-gall

44:1 Ratio Pump Packages

Model No.

Package Type

Pump Model

Ram/Lift Model

Follower

Follower Seal Description

Material

CARBON STEEL PACKAGES

TP0844S21FF47E32

5 Gallon Two Post Ram

AF0844S11FF47

RM052S-C

67342-1

Single Lip

Polyurethane/Urethane

TP0844S51FF47AA2

55 Gallon Two Post Ram

AF0844S11FF47

RM552S-C

66516-1

Double Lip

Polyurethane

TP0844S51FF47AN2

55 Gallon Two Post Ram

AF0844S11FF47

RM552S-C

67195-2

Double Tube

EPR

TP0844S51HH47AA2

55 Gallon Two Post Ram

AF0844S11HH47

RM552S-C

66516-1

Double Lip

Polyurethane

TP0844S51HH47AC2

55 Gallon Two Post Ram

AF0844S11HH47

RM552S-C

66516

Double Lip

Nitrile

TP0844S51RK47AA2

55 Gallon Two Post Ram

AF0844S11RK47

RM552S-C

66516-1

Double Lip

Polyurethane

TP0844S51RK47AC2

55 Gallon Two Post Ram

AF0844S11RK47

RM552S-C

66516

Double Lip

Nitrile

TP0844S51RK47TA2

55 Gallon Two Post Ram

AF0844S11RK47

RM552S-C

66516-6

Double Lip

Polyurethane

HD0844S51FF47AN2

55 Gallon Heavy Duty Two Post Ram

AF0844S11FF47

RM552H-C

67195-2

Double Tube

EPR

STAINLESS STEEL PACKAGES

TP0844T21KK4GS22

5 Gallon Two Post Ram

AF0844T11KK4G

RM052S-C

67536-1

Single Lip

Polyurethane

TP0844T21KK4GTU2

5 Gallon Two Post Ram

AF0844T11KK4G

RM052S-C

67532-1

Single Tube

EPR

TP0844T51KK4GTK2

55 Gallon Two Post Ram

AF0844T11KK4G

RM552S-C

67527-1

Double Tube

EPR

TP0844T51KK4GTL2

55 Gallon Two Post Ram

AF0844T11KK4G

RM552S-C

67527-2

Double Tube

FDA Neoprene

Recommended Accessories

Extrusion Guns

651500 For material over 200,000 cP 3/8” (F) inlet

651533 For low- to medium-viscosity fluids 1/4” NPS (M) inlet

Extrusion Gun Nozzle Kits

66541-6 Orifice .063” (1.63 mm), 66541-9 Orifice .093” (2.36 mm),

66541-2 Orifice .125” (3.17 mm)

Swivel

636085 Straight, 3/8” (M) x 3/8” (F) / fabric with neoprene / 8,000 psi (552 bar) max. working pressure

636088 Z-360°, 3/8” (M) x 3/8” (F) / fabric with neoprene /  8,000 psi (552 bar) max. working pressure

75364 Straight, for use with 651533 gun / 1/4”-18 NPTF to 1/4”-18 NPSM / 10,000 psi (690 bar) max working pressure

Material Filters

1” F (2) inlet 3/8” F (3) outlet / 6,000 psi (414 bar) max. / Carbon Steel

651418-40-B for 40 Mesh (375 Microns)

651418-70-B for 70 Mesh (200 Microns)

3/4” Fluid Pressure Regulators

651780-C1B-B Regulated 750 – 2,500 psi (52 – 173 bar) / 6,000 psi (414 bar) max. inlet / carbon steel

651780-C1C-B Regulated 2,000 – 5,000 psi (138 – 345 bar) / 6,000 psi (414 bar) max. inlet / carbon steel

651780-C3B-B Regulated 750 – 2,500 psi (52 – 173 bar) / 6,000 psi (414 bar) max. inlet / stainless steel

651780-C3R-B Regulated 750 – 5,000 psi  (52 – 345 bar) / 6,000 psi (414 bar) max. inlet / stainless steel

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