Neptune 5005 Ultra-Low Flow Hydraulic Metering Pump

Name: Neptune 5005 Ultra-Low Flow Hydraulic Metering Pump
Brand: Neptune

5005 ultra-low flow hydraulic pump. ~0.50 gph (1.9 L/h / 12 GPD), up to 3,000 psi (206.8 bar). Oil & gas inhibitor/antifoam injection.

Max flow

approx. 1.9 L/h (0.50 gph / 12 GPD)@ 100 psi

Max pressure

206.8 bar / 3,000 psi（1/2 HP）；103.4 bar / 1,500 psi（1/3 HP）

Turndown / accuracy

—

Wetted materials

316SS / C-20 / PVC; diaphragm PTFE

Protection

—

Power

—

Inquire Now Download datasheetxiongxiaoyang55@gmail.com

Best for: verifying flow/pressure and control interfaces against your dosing duty (Metering Pump). Confirm chemical compatibility and install constraints before ordering — inquire for help.

Features

Discharge pressure up to 3,000 psi (206.8 bar)
EZE-CLEAN™ cartridge ball valves
Optional ESC with 4–20 mA
Optional explosion-proof motor / duplex
Accurate feed down to quarts/day

Specifications

Flow	approx. 1.9 L/h (0.50 gph / 12 GPD)@ 100 psi
Max pressure	206.8 bar / 3,000 psi（1/2 HP）；103.4 bar / 1,500 psi（1/3 HP）
SPM	37
Wetted materials	316SS / C-20 / PVC; diaphragm PTFE
Drive	hydraulic diaphragm
Brand	Neptune (PSG Dover)

Applications

Oil & gas production

Refineries

Inhibitor/antifoam injection

Boiler chemical feed

Materials & media

Wetted materials

316SS / C-20 / PVC; diaphragm PTFE

Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.

Controls & communication

Control options are listed in notes or confirmed on inquiry.

Models & specs

Model	Flow	Pressure	Notes
5005-S-N3	1.9 L/h (0.50 gph)	to 206.8 bar (3,000 psi)	316SS；37 SPM
5005-S-N4	1.9 L/h (0.50 gph)	to 206.8 bar (3,000 psi)	C-20
5005-S-N5	1.9 L/h (0.50 gph)	see material pressure	PVC