Flowserve Corporation

Experience in motion

For over thirty years Palmstiernas has been developing, producing and marketing positioners. With a broad product package, PMV offers positioners for almost any application.

PMV has over one million positioners and switch boxes on the word market. Any valve application, in any world market, is a potential application for PMV products.

Product Selection


Compact Ultraswitch switch box with ATEX IIC rating

DS/DM series switch box is a tough switch box with the highest ATEX IIC rating available.

The DS/DM Series UltraSwichâ„¢ provides cost efficient, accurate and reliable position signaling for hazardous locations. The sturdy enclosure isoffered in aluminum or corrosion resistant stainless steel and is provided with multiple switch options. An external indicator is available.

The DS/DM is designed to be directly and easily mounted onto actuators for both rotary and linear indication. It may also be used as a junctionbox for direct connection of solenoid valves.

Its compact housing has multiple mounting possibilities, up to three conduit entries and pre-wired switches to enable easy installation. It is designed to meet IP66 and NEMA Type 4X standards and is offered for general purpose/weather proof and for explosion proof hazardous locations.

Ordering info

Download ordering code from the files to the right
>>> - 
Search by serial number >>

Related Files


 DS/DM CSAus EX Cert

Related files

 Brochure DS/DM English
 IOM DS/DM English

In the spotlight

D20 in the spotlight

PMV D20 is a compact digital positioner that suits both linear and rotary actuators. Its modular and flexible design allows mounting according to both the standards VDI/VDE 3845 for rotary and VDI/VDE 3847 for linear actuators with integrated tubing