GRACO 238926 – High Pressure Back Pressure Regulator, 3000 PSI Max, Stainless Steel, 1/4 NPT(F) x

GRACO 238926 – High Pressure Fluid Back Pressure Regulator, 3000 PSI, SST Spring, 1/4″(F) x 1/4″(F) Ports, Gauge Not Incl.

High pressure fluid back pressure regulator designed for demanding industrial applications. Features tungsten and carbide materials for exceptional durability and long service life, with plated carbon steel housing compatible with solvent-borne materials. Includes laser-marked indication lines for precise pressure adjustment and ergonomic control knob for easy operation.

Features:

Tungsten and carbide materials ensure low wear and long life

Plated carbon steel housing is compatible with solvent-borne materials

Laser-marked indication lines for easy pressure adjustment and process control

Ergonomic adjustment knob

Additional Specifications

Material: SS (Stainless Steel)

Wetted Parts: SS

Regulator Type: Spring

Gauge Included: No

Regulated Pressure: 0-12 bar (0-180 PSI)

Max Delivery: 13.3 lpm (3.5 gpm)

Type: Spring

Compatible Material	Solventborne
Gauge Port Size (in)	1/4
Gauge Port Type	NPT
Inlet Size (in)	1/4
Inlet Thread Type	NPT
Maximum Flow Rate (GPM)	3.5
Maximum Regulated Pressure (psi)	3000
Maximum Viscosity (cP)	500
Maximum Working Pressure (psi)	3000
Minimum Regulated Pressure (psi)	1000
Outlet Size (in)	1/4
Outlet Thread Type	NPT
Type	Back Pressure Regulator
Wetted Material	Stainless Steel, Tungsten Carbide, PTFE, Acetal Homopolymer

Features

High pressure capability up to 3000 PSI

Stainless steel wetted parts for corrosion resistance

Spring-loaded pressure regulation

3.5 GPM maximum flow capacity

1/4 F threaded inlet and outlet ports

1/4 F gauge port for pressure monitoring

Applications

High pressure fluid systems

Industrial coating applications

Spray finishing operations

Fluid dispensing systems requiring back pressure control

Merkur bellows pump systems

Fluid handling applications requiring pressure regulation

Compatible Equipment

Merkur bellows pumps

Related Parts

222405 – High Pressure Fluid Back Pressure Regulator, 3000 Max PSI, CS, Spring Type, 1/4 (F) x 1/4 (F)

206819 – Back Pressure Fluid Regulator, 3000 Max PSI, CS, Spring Type, 1/4″ (F) x 1/4″ (F)

234268 – High Pressure Fluid Back Pressure Regulator, 2500 Max PSI, 600-1500 PSI Pressure Range, 10.2 GPM, SST, Spring Type, 3/8(F) x 3/8(F)

102397 – Fluid Gauge

238890 – Fluid Regulator

243340 – Pail Cover with Agitator – SST

222121 – Fluid Regulator, Stainless Steel

244587 – Pump Outlet Fluid Filter, Stainless Steel

256425 – Fluid Filter Drain Valve, Stainless Steel

High pressure, solvent coatings application. Instruction manual 306860. Gauge sold separately – compatible fluid gauges available in various pressure ranges. Listed as an accessory for Merkur bellows pump systems. Additional technical specifications may be available in separate product documentation. High pressure, solvent coatings application. Reference instruction manual 306860 for complete details.

Reference Manuals

336834 (Page 4) Fluid Regulators List

344834 (Page 6) Bellows Pumps

345020 (Page 49) Finishing Accessories

306860 (Page 1) Back Pressure Regulator

308693 (Page 18) Cart-Mounted, Heated Air-Assisted Packge