Regulator Products

Reduce air line pressure to acceptable levels.

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Choose a regulator product from the drop down menu or from the chart below to learn more:


RA3/RB3 Series Port Size: 1/4; Flows to 14 SCFM
RA3 (Aluminum), RB3 (Brass)
RA4/RA4-0M Series
 Port Sizes: 1/8, 1/4;
Flows to 19 SCFM
R03 Series Port Sizes: 1/8, 1/4; Flows to 15 SCFM
R08 Series
Modular
Updated!		 Port Sizes: 1/4, 3/8;
Flows to 68 SCFM
R16 Series
Modular		 Port Sizes: 1/4, 3/8, 1/2;
Flows to 88 SCFM
R18 Series
Modular
Updated!		 Port Sizes: 1/4, 3/8, 1/2;
Flows to 165 SCFM
R120 Series
Modular		 Port Sizes: 1/4, 3/8, 1/2;
Flows to 150 SCFM
R26 Series Port Sizes: 1/4, 3/8, 1/2;
Flows to 185 SCFM
R28 Series
Modular
Updated!		 Port Sizes: 3/8, 1/2, 3/4;
Flows to 233 SCFM
R30 Series Port Sizes: 3/4, 1
Flows to 500 SCFM
R40 Series Port Sizes: 1-1/2, 2;
Flows to 1200 SCFM
R90 Series Port Sizes: 3/4, 1; Flows to 380 SCFM
SR1 Series SS, Port Size: 1/4;
Flows to 12 SCFM
SR2 Series SS Port Size: 1/2; Flows to 80 SCFM
AIR PILOT
R21 Series Port Sizes: 1/4, 3/8, 1/2, 3/4;
Flows to 220 SCFM
R31 Series Port Sizes: 3/4, 1, 1-1/4;
Flows to 700 SCFM
R41 Series Port Sizes: 1-1/2, 2;
Flows to 1600 SCFM
R90 Series Port Sizes: 3/4, 1; Flows to 550 SCFM
COMMON P1
R09 Series
Modular
Updated!		 Port Sizes: 1/4;
Flows to 42 SCFM
R19 Series
Modular
Updated!		 Port Size: 1/4, 3/8, 1/2;
Flows to 64 SCFM
DIAL AIR
R11 Series Port Sizes: 1/4;
Flows to 0.8 SCFM
R21 Series Port Sizes: 1/4, 3/8, 1/2, 3/4;
Flows to 220 SCFM
R31 Series Port Sizes: 3/4, 1, 1-1/4;
Flows to 700 SCFM
R41 Series Port Sizes: 1-1/2, 2;
Flows to 1600 SCFM
PRECISION
P17 Series
High Flow		 Port Size: 1/4;
Flows to 14 SCFM
P19 Series
High Flow		 Port Sizes 1/4, 3/8;
Flows to 80 SCFM

RA4 (Standard) / RA4-0M (Manifold) Series

Port Sizes 1/8, 1/4; Flows to 19 SCFM

RA4 Series - regulators View Catalog
View Installation Manual (pdf)

Features

This modular regulator includes:

  • Diaphragm Operated for Fast Operation
  • Large Diaphragm to Valve Area Ratio for
    Precise Regulation and High Flow Capacity
  • Balanced Valve Design for Precise Regulation
  • High Flow
  • Suitable for Low Temperature Applications
  • Non-Rising Adjusting Knob

Specifications

Flow Capacity*

1/8" & 1/4"

17; 19 SCFM (6.6 dm3/s)

Maximum Supply Pressure

300 PSIG (20.7 bar)

Operating Temperature

40° to 125°F (4.4° to 52°C)

Port Size

NPT / BSPP-G

1/8, 1/4

Weight

0.25lb. (0.23 kg)

* SCFM = Standard cubic feet per minute at 100 PSIG, 90 PSIG no flow secondary setting and 10 PSIG pressure drop.