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SK Series Metal Pump

Metal AODD Pumps – High Performance Air-Operated Diaphragm Pumps

What is a Metal AODD Pump?

A Metal AODD Pump (Air-Operated Double Diaphragm Pump) is a rugged pump design using dual diaphragms powered by compressed air, capable of handling tough fluids with particulates, abrasive or corrosive chemicals. Skylink’s Metal AODD Pumps are engineered with durable materials (316L stainless steel, aluminum, cast iron), offering reliable performance, ease of maintenance, and adaptability for industrial applications such as chemical processing, mining, wastewater treatment, abrasive slurry transfer, coatings / paint service, etc.

Product Models & Specifications

Model	Inlet / Outlet Size	Max Flow Rate	Max Solid Particle Size	Materials Available	Max Pressure / Temp
SK15 (½”)	13 mm / 13 mm	57 LPM (15 GPM)	2.4 mm	AL / 316L SS / Cast Iron	8.6 bar / 135 ℃
LS25K (1”)	25 mm / 25 mm	150 LPM (40 GPM)	6 mm	AL / 316L SS / Cast Iron	8.6 bar / 135 ℃
SK40 (1½”)	38 mm / 38 mm	340.7 LPM (90 GPM)	6.3 mm	AL / 316L SS / Cast Iron	8.6 bar / 135 ℃
SK50 (2”)	51 mm / 51 mm	511 LPM (135 GPM)	9 mm	AL / 316L SS / Cast Iron	8.6 bar / 135 ℃
SK80 (3”)	76 mm / 76 mm	988 LPM (260 GPM)	12 mm	AL / 316L SS / Cast Iron	8.6 bar / 135 ℃

Optional connection types: BSPT threads, ANSI / DIN flanges. Custom materials and configurations available upon request.

Why Choose Skylink Metal AODD Pumps?

Robust Material Selection – Available in high-grade 316L stainless steel, aluminum, or cast iron for resistance to corrosion, abrasion, and harsh chemical environments.
Large Solids Capability – Models handle solids up to 12 mm, reducing clogging and downtime.
Versatile Pressure & Temperature Range – Withstands up to 8.6 bar pressure and 135 ℃, suitable for demanding industrial processes.
Air-Operated, No Electrical Risk – Safe for use in hazardous locations, with minimal moving parts and low maintenance.
Flexible Connection Options – Threaded or flanged (ANSI / DIN) connections to suit varied piping layouts.
High Flow Rates – From ~57 LPM to nearly 1,000 LPM, offering options for both small scale and large transfer applications.