Thumbnail of
Thumbnail of
Thumbnail of
Thumbnail of
Depa logo

Depa pneumatic diaphragm pump, stainless steel SteriTec, type S1/S1S

The next generation of air-operated diaphragm pumps for applications such as the food and pharmaceutical industries. Reduced air consumption and noise level and increased capacity compared to previous models. Simple design with few details for easy maintenance.

Dimensional range: DN15-80 (1/2"-3" Tri-Clamp ISO connection)
Maximum capacity: 40 m³/h
Working pressure: 8.6 bar
Material pumphouse: Electropolished stainless steel 316L
Material centre part: Electropolished stainless steel 316L (type S1S) or aluminium (type S1).
Material membrane: EPDM E4 "grey", EPDM E4, PTFE E4, NBR E4, NRS E4 or FKM E4.
Temperature range: -25 -+130°C

    Are you interested in the product?

    We will contact you as soon as we receive your expression of interest.


    • Description
    • Areas of use:
    • Documentation

    The Depa pneumatic diaphragm pump SteriTec type S1S has a pump housing and centre section of electropolished stainless steel 316L to meet high demands in hygienic applications. Type S1 has a central part of aluminium, otherwise the pumps are equivalent. Diaphragms, balls and seats are available in different materials to adapt to the current application. Delivered as standard with Tri-Clamp ISO connection. The pump has optimised flow characteristics, can handle particle size up to 18 mm and discharge pressure up to 8.6 bar.
    SteriTec, type S1/S1S is developed for hygienic applications in e.g. the food and pharmaceutical industry. The pump meets high demands when pumping sensitive liquids and viscous media.

    The pump fulfils the Machinery Directive 2006/42/EC and EC 1935/2004, EU 10/2011, FDA and TR CU 010/2011, TR CU 012/2001. ATEX according to directive 2014/34 EU: Type S1 and S1S: II 2GD Ex h IIB T6...T4 GbDb and II 2GD Ex h IIC T6...T4 GbDb.
    Type S1S additionally fulfils: I M2 Ex h IIB T6...T4 Mb