Constant flow regulator with variable area flow meter model 2851 + L

Flow range H₂O, +70°F:
min 0.2 – 1.3 USGPH
max 7.5 – 55 USGPH

Flow range air, 14.7 psia, +70°F:
min 1.5 – 5.5 SCFH
max 40 – 260 SCFH

Typical applications:
control of seal waters
control of flush waters
water or air purging
level measurement in tanks

Metric units Imperial units

Technical data

Model	2851
Max. flow USGPM (L/min)	H₂O: 45 USGPM (3.0 L/min); Air: 240 SCFH at 87 psig (100 NL/min air at 6 barg)
Nominal flow	H₂O: 36 USGPH (2.3 L/min); Air: 240 SCFH at 87 psig (100 NL/min at 6 barg)
Max. pressure difference	290 psi (20 bar)
Max. static pressure	290 psi (20 bar), *435 psi / 85°F (30 bar / 30°C)
Min. pressure difference	29 psi (2 bar)
Connections G/NPT	G 1/4″ or NPT 1/4″
Max. temperature	165°F (75°C) with acrylic flow tube, 176°F (80°C) with Grilamid flow tube
Weight	2 lbs (0.85 kg)
Body	AISI 316
Spring	AISI 316
Membrane	EPDM
Membrane plate	AISI 316
Seals	Nitrile (*Viton®, EPDM)
Mesh	PTFE
Installation position	Vertical
*) Special construction on request

Kytola's constant flow regulator model 2851 is an excellent choice for the following applications