GRACO 288311 – Pneumatic Back Pressure Regulator, 1-1/2″ NPT, 300 PSI Max Fluid Pressure

GRACO 288311 Pneumatic Back Pressure Regulator, 20 gpm (75 lpm), 300 psi (20.6 bar) max fluid pressure, 1-1/2 npt

Features:

PTFE/Elastomer hybrid diaphragm withstands wear while maintaining accurate responsiveness

Stainless steel wetted materials are compatible with catalyst and waterborne materials

Hardened stainless steel seat ensure low wear and long life

Large orifice accommodates high volume flow rates

Air operated for remote automated control to eliminate operator interference

Implement sleep mode to reduce pump energy consumption during non-production

Compatible Equipment

E-Flo pump systems

Industrial fluid handling equipment

Related Parts

208997 – Back Pressure Regulator

288262 – Pneumatic Back Pressure Regulator, 2″ Tri-Clamp

15J423 – Inlet/Outlet Fitting for 2″ Tri-Clamp to 2″ NPT

208997 – Mechanical BPR (15 gpm, 180 psi max, 1-1/4 npt)

236770 – Mechanical BPR (4.3 gpm, 180 psi max, 3/8 npt)

916154 – Carbide mechanical BPR (15 gpm, 180 psi max, 1-1/4 npt)

288262 – Pneumatic BPR (20 gpm, 300 psi max, 2 in tri-clamp)

224486 – Low shear mechanical BPR (20 gpm, 300 psi max, 1-1/2 npt)

223824 – Low shear mechanical BPR (20 gpm, 300 psi max, 2 in sanitary)

Reference Manuals

338337 (Page 2) E-Flo Electric Circulating Pumps

339292 (Page 2) E-Flo Electric circulating pumps

344837 (Page 7) Graco 4-Ball Pump Technology

345005 (Page 5) E-Flo DC

345020 (Page 37) Finishing Accessories

Specifications:

Compatible Material	Catalyst, Waterborne
Gauge Port Size (in)	1/4
Gauge Port Type	NPT
Includes	Gauge
Inlet Size (in)	1-1/2
Inlet Thread Type	NPT
Maximum Air Inlet Pressure (psi)	100
Maximum Flow Rate (GPM)	20
Maximum Regulated Pressure (psi)	250
Maximum Viscosity (cP)	1000
Maximum Working Pressure (psi)	300
Minimum Regulated Pressure (psi)	25
Outlet Size (in)	1-1/2
Outlet Thread Type	NPT
Type	Back Pressure Regulator
Wetted Material	Stainless Steel, Acetal, Nylon Fabric Base With Impregnated Buna-N, Fluid Side PTFE Coated