GRACO 222121 – Mini High Pressure Fluid Regulator, 150-1200 PSI Range, Stainless Steel, 1/4 NPT(F) x

GRACO 222121 – Mini High Pressure Corrosion Resistant Fluid Regulator, 1500 Max psi, 150-1200 PSI Range, 1.0 GPM, SST, Spring Type, 1/4(F) x 1/4(m)

Stainless steel fluid regulator designed for high-pressure applications requiring corrosion resistance. Provides precise pressure control for fluid systems with maximum working pressure capability of 103 bar (1500 PSI) and adjustable regulation range from 150-1200 PSI.

Features:

Stainless steel wetted materials are compatible with catalyst and waterborne materials

Tungsten and carbide materials ensure low wear and long life

Valve cartridge for quick cleaning and replacement reduce downtime

Compact and lightweight design saves space and reduces payload for spray packages

Pressure adjustment key with locking mechanism protects production settings

Additional Specifications

Flow Rate: 1.0 GPM max

Max Working Pressure: 103 bar (10.3 MPa / 1500 PSI) maximum working pressure

Working Pressure: 103 bar (10.3 MPa / 1500 PSI)

Wetted Parts: SS

Gauge Included: No

Max Working Pressure: 103 bar (1500 PSI)

Actuation Type	Spring
Includes	Regulator Only
Inlet Size (in)	1/4
Inlet Thread Type	NPT
Maximum Flow Rate (GPM)	1
Maximum Regulated Pressure (psi)	1200
Maximum Viscosity (cP)	500
Maximum Working Pressure (MPa)	10.3
Maximum Working Pressure (psi)	1500
Minimum Regulated Pressure (psi)	150
Outlet Size (in)	1/4
Type	Fluid Regulator
Wetted Material	Stainless Steel

Features

Stainless steel construction for corrosion resistance

High pressure rating up to 1500 PSI

Designed for maximum working pressure applications

Marine environment compatible

High pressure capability up to 1500 PSI

Stainless steel wetted parts for corrosion resistance

Applications

Spot repair jobs

Small maintenance applications

Onboard marine maintenance

Industrial finishing work

Airless solvent based systems

High pressure fluid regulation

Compatible Equipment

MERKUR pneumatic airless sprayers

GRACO spray systems requiring fluid regulation

Airless solvent based systems

Merkur Bellows systems

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Listed as accessory for MERKUR sprayer series, specifically designed for marine and industrial environments where corrosion resistance is critical Part of a family with unique bottom replaceable cartridge. Instruction manual 307886. Does not include gauge port. Listed as an accessory for Merkur Bellows systems. Part of fluid regulation and control component family.

Reference Manuals

300787 (Page 24) Maritime Equipment

336834 (Page 2) Fluid Regulators List

340004 (Page 5) Merkur Brochure & Ordering Guide

344834 (Page 6) Bellows Pumps

344876 (Page 7) ProMix 2KE Entry Level Proportioner