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Valves & Actuation

Plastic Actuated Diaphragm Valves

Options - Limit Switch for Pneumatically Actuated Diaphragm Valves

The 99P2 limit switchbox is a linear travel limit switch intended for use with linear style diaphragm valve actuators. The switchbox contains two hermetically sealed switches for use in hazardous locations, and the switches are self-setting to reduce nuisance alarms and false trips. The package is low-profile for mounting in tight spaces and it mounts directly to the top of the existing actuator. Visual confirmation is provided via a highly visible position indicator at the top of the housing.

Ideal Applications Include:

Chemical Processing, Bleach Plants, Aquariums, Mining, Water Treatment, Landfills, Swimming Pools, Power Plants



Engineered resin

Non Incendive:

Class I Div.2; Groups A,B,C,D;
Class II, DIv.2; Groups F,G

*Two dry contact SPDT limit switches

Enclosure Rating:

NEMA 4, 4x


½" NPT Conduit


  • Self-setting switches reduce nuisance alarms caused by changes in seat durometer
  • Compact height
  • Modular
  • Designed for simple installation and maintenance; No tools required for enclosure entry
  • Screw on lid
  • Easy access to terminal strip for internal wiring
  • Compatible with all valve stroke sizes