A range of compact linear actuators having 4 diaphragm sizes for matching the requirements of different valves at various differential pressures. Each actuator is fitted with mechanical stroke indicators and incorporate a rolling diaphragm to give linearity over the full operating stroke.
Spirax Sarco acoustic plates are designed to be bolted between conventional ANSI class 150 or 300 piped flanges on the downstream side of a regulator or control valve usually between flanged pipe reducers.
PP Series is a linear pneumatic piston type actuator that provides positive throttling or on-off operation for automatic control valves. The cylinders are designed for instrument air supply pressures of up to. 100 psi. This actuator can be single or double-acting and spring-return. This actuator is fully fi eld reversible for air-to-open or air-to-close action.
The STS17.2 compact pipeline connector steam trapping station has been designed to provide a convenient ready to install trapping solution, which includes: upstream and downstream isolation valves, body incorporating quickfit connector + strainer and check valve blanking plug.
Normal positions before startup are with the main valve and electric pilot closed, pressure pilot open, and temperature pilot open.
A range of self-powered control systems that incorporate sensor, actuator, set point adjustment / indicator for use with 2- port and 3-port control valves.
Installation and Maintenance Instructions
The Stonel Limit Switch is for use with the K Series pneumatic control valves and PN5000/6000 actuators. It is mounted on the PN5000/6000 actuators and can provide visual indication if the valve is fully open, fully closed, partially open (0-100%) or partially closed (0-100%). By comparing flow rates over time with your valve position, you can determine valve wear.
The SX80 controller is a 1/16 DIN panel mounted unit, suitable for single and multiple set point applications utilising the Spirax Sarco range of pneumatic or electric control valves and electrical and electropneumatic instruments.
The BC3200 and BC3210 are dual voltage controllers which monitor the conductivity of liquids, and are used with a boiler blowdown valve or condensate dump valve to monitor and control TDS levels.