Pipe sizes 3/8" female NPT 1/2" , 3/4" male NPT
Flow from Liquid: 0.1 to 10 GPM (.4 to 40 LPM) Air: 1 to 48 SCFM (2 to 80 M³/hr)
Panel Mount, Adjustable, and Brass Adapters Available

Description

Polysulfone meter body resists high temperatures and pressures.
316 SS or Hastelloy rod guided float.
Taller size for better scale readability
Direct reading permanent scale.
Optional flow control needle valve.
Not recommended for direct sunlight.
In-Line (vertical) mount only.
Available OEM options: Private labeling, custom calibrations and custom materials.

Adapter Options:

Specifications

Max. Working Pressure:	175 psig (12.0 bar) @ 70° F (21° C)
Max. Fluid Temperature:	Standard Models: 212° F (100° C) @ 0 PSI SolarMeter®: 240° F (115° C) @ 0 PSI
Full Scale Accuracy:	+/- 4%
Meter Body Material:	Polysulfone
Adapter Material:	Standard Models: Polysulfone SolarMeter®: Brass
Union Nuts:	Standard Models: Polysulfone SolarMeter®: Anodized Aluminum
Guide Rod Material:	316 SS or Hastelloy C-276
Float Material:	316SS or PTFE (varies per model)
O-ring Material:	FKM (Optional EP)
Max Pressure Drop:	2 PSI
Approx. Shipping Weight:	1/2 lb. (0.23 kg)

Model Numbers

Standard Models for Liquid

In-Line Model Number	Panel Mount Model Number	Adjustable Model Number	Pipe Size (M/NPT)	GPM Range	LPM Range	Float Material
F-45375L-6	F-45375LE-6	F-45375LA-6	3/8”F/NPT	0.1-1.0	0.4–4.0	PTFE
F-45375L-8	F-45375LE-8	F-45375LA-8	1/2”M/NPT	0.1-1.0	0.4–4.0	PTFE
F-45376L-6	F-45376LE-6	F-45376LA-6	3/8”F/NPT	0.2-2.0	1–7.5	316SS
F-45376L-8	F-45376LE-8	F-45376LA-8	1/2”M/NPT	0.2-2.0	1–7.5	316SS
F-45500L-6	F-45500LE-6	F-45500LA-6	3/8”F/NPT	0.5-5.0	2–20	316SS
F-45500L-8	F-4500LE-8	F-45500LA-8	1/2”M/NPT	0.5-5.0	2–20	316SS
F-45500L-12	F-45500LE-12	F-45500LA-12	3/4”M/NPT	0.5-5.0	2–20	316SS
F-45750L-12	F-45750LE-12	F-45750LA-12	3/4”M/NPT	1-10	4–40	316SS

Standard Models for Air

In-Line Model Number	Panel Mount Model Number	Adjustable Model Number	Pipe Size (M/NPT)	SCFM Range	M³HR Range	Float Material
F-45376G-6	F-45376GE-6	F-45376GA-6	3/8”F/NPT	1-12	2-20	316SS
F-45376G-8	F-45376GE-8	F-45376GA-8	1/2”M/NPT	1-12	2-20	316SS
F-45750G-12	F-45750GE-12	F-45750GA-12	3/4”M/NPT	4-48	8-80	316SS

K-Series – Specially Equipped Models for Liquid

In-Line Model Number	Panel Mount Model Number	Adjustable Model Number	Pipe Size (M/NPT)	GPM Range	LPM Range	Float Material
F-45375LK-6	F-45375LKE-6	F-45375LKA-6	3/8”F/NPT	0.1-1.0	0.4–4.0	PTFE
F-45375LK-8	F-45375LKE-8	F-45375LKA-8	1/2”M/NPT	0.1-1.0	0.4–4.0	PTFE
F-45376LK-6	F-45376LKE-6	F-45376LKA-6	3/8”F/NPT	0.2-2.0	1–7.5	Hastelloy
F-45376LK-8	F-45376LKE-8	F-45376LKA-8	1/2”M/NPT	0.2-2.0	1–7.5	Hastelloy
F-45500LK-6	F-45500LKE-6	F-45500LKA-6	3/8”F/NPT	0.5-5.0	2–20	Hastelloy
F-45500LK-8	F-4500LKE-8	F-45500LKA-8	1/2”M/NPT	0.5-5.0	2–20	Hastelloy
F-45500LK-12	F-45500LKE-12	F-45500LKA-12	3/4”M/NPT	0.5-5.0	2–20	Hastelloy
F-45750LK-12	F-45750LKE-12	F-45750LKA-12	3/4”M/NPT	1-10	4–40	Hastelloy

Standard Models for Liquid – Brass Adapters

Male NPT Model Number	Sweat Model Number	Pipe Size (M/NPT)	GPM Range	LPM Range	Float Material
F-45375LB-9	F-45375LB-8	1/2”	0.1-1.0	0.4–4.0	PTFE
F-45376LB-9	F-45376LB-8	1/2”	0.2-1.0	1–7.5	316SS
F-45500LB-9	F-45500LB-8	1/2”	0.5-5.0	2–20	316SS
F-45500LB-13	F-45500LB-12	3/4”	0.5-5.0	2–20	316SS
F-45750LB-13	F-45750LB-12	3/4”	1-10	4–40	316SS

Tech. Data Sheet (PDF) (PN 85000-091)

Instruction Manual (PDF) (PN 80000-441)
F-450N Inline Exploded View

F-450N Panel Mount Exploded View

F-450N Panel Mount / Adjustable Exploded View

F-450N Polysulfone Molded In Line Flow Meter