Overview

Series FR4000 is a standard precision-machined acrylic flow meter for liquids or gases, has direct reading air and water scales and is available in either English or Metric scales. The FR4000 flow meters can be configured with a control valve on the inlet or no valve at all; fittings and valve can be specified in either brass or stainless steel; O-rings can provided with Buna-N, Viton or other optional elastomers.

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Features
• Easy-to-read English or Metric Scales
• Water ranges from 4 to 3700 CCM, 1 to 60 GPH
• Air ranges from 100 to 100 LPM, 0.4 to 200 SCFH
• Threaded brass inserts for quick installation
• Easy disassembly and assembly for maintenance
• Durable one-piece clear acrylic construction
• Stable, easy-to-read float
• Superior quality



Specifications
Accuracy: ±3% of Full Scale
Body: Clear Machined Acrylic
Floats: Black Glass, 303 Stainless Steel, Delrin®
Temperature: 150º F / 65º C Maximum
Pressure: 100 psi/6.89 Bar Maximum
Seals: Viton® with Stainless Steel or Buna-N with Brass Fittings
Fittings: 303 Stainless Steel or Brass 1/8" FNPT
Valves (Optional): Cartridge type, Stainless Steel or Brass

Flow Rates

SCFH of Air Range Model Code 0.4 - 5 4A30 1 - 10 4A31 2 - 20 4A32 4 - 40 4A33 10 - 100 4A34 14 - 150 4A35 20 - 200 4A36

LPM of Air Range Model Code 0.4 - 5 4A40 1 - 10 4A41 2 - 20 4A42 3 - 30 4A43 4 - 50 4A44 10 - 100 4A47

CCM of Water Range Model Code 4 -50 4L38 10 - 120 4L56 25 - 225 4L51 40 - 400 4L50 40 - 660 4L52 100 - 1500 4L53 200 - 3000 4L54 300 - 3700 4L55

GPH of Water Range Model Code 1 - 10 4L45 2 - 25 4L48 4 - 50 4L49 6 - 60 4L46

CCM of Air Range Model Code 100 - 1000 4A39* SCFM of Air 0.3 - 3 4A37 * Uses Delrin® Float

 

Dimensions

Dimensions

Inches (Millimeters)

Model

A

B

C

D

E

F

G

FR2000

4" (102)

3" (76.2)

1" (25.4)

1 - 5/8" (41.3)

1 - 3/16" (30.2)

1 - 1/8" (28.6)

1/8"

FR4000

6 - 1/2" (165)

5 - 1/2" (140)

1 - 3/8" (34.9)

3 - 1/2" (88.9)

1 - 1/2" (38.1)

1 - 1/8 (28.6)

1/8"

FR4500*

6 - 5/8" (168)

5 - 1/2" (140)

1 - 1/8" (28.6)

3 - 1/2" (88.9)

1 - 1/2" (38.1)

1 - 3/8" (34.9)

1/4"

* Does not include 1/8" back plate.

Ordering Info

		Model Code		Fittings		Valve		Seals
FR		4A41		B		V		BN

EXAMPLE:
2-20 SCFH of Air with Brass Fittings, Valve, and Buna-N O-Rings: (FR4A41BVBN)

Fittings	Valve	Seals
B - Brass (std)	N - None	BN - Buna-N (std with brass fittings)
S - Stainless Steel	V - Valve	VT - Viton® (std with steel)