Neptune 6000 Series High-Pressure Hydraulic Metering Pump

Name: Neptune 6000 Series High-Pressure Hydraulic Metering Pump
Brand: Neptune

6000 Series high-pressure hydraulic pumps (6100/6150/6250). ~7–28 gph (26.5–106 L/h), up to 4,000 psi (275.8 bar).

Max flow

26.5 – 106 L/h（7 – 28 gph）

Max pressure

to 275.8 bar / 4,000 psi (6100 @ 2HP)

Turndown / accuracy

±1% (rated flow 10%–100%)

Wetted materials

316SS; 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

Up to 4,000 psi (275.8 bar)
Oil By-Pass™ stroke control
Hydraulically balanced PTFE diaphragm, 316SS
±1% accuracy
Optional ESC / VFD
Motors 1/2–2 HP

Specifications

Flow range	26.5 – 106 L/h（7 – 28 gph）
Max pressure	to 275.8 bar / 4,000 psi (6100 @ 2HP)
Accuracy	±1% (rated flow 10%–100%)
Wetted materials	316SS; diaphragm PTFE
Max temperature	approx. 93°C (200°F)
Drive	hydraulic diaphragm
Brand	Neptune (PSG Dover)

Applications

High-pressure chemical injection

Oil & gas

Refining

Boiler/process high-pressure feed

Materials & media

Wetted materials

316SS; 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
6100-N3	26.5 L/h (7 gph) @58 SPM / 56 L/h (14.7 gph) @117 SPM	to 275.8 bar (4,000 psi) @2HP	plunger 3/4"
6150-N3	approx. 56 L/h (14.7 gph) class	to 241.3 bar (3,500 psi) @2HP	plunger selection see manual
6250-N3	106 L/h (28 gph)	to 137.9 bar (2,000 psi) @2HP	plunger 1", 117 SPM