Instrumentation

Apollo	Barksdale	Dwyer	Hoke
Ball-Valves-1/4″-3NPT Bronze, Stainless Steel, Carbon, Steel Construction, Check Valves, Pneumatic and Electric Actuated Ball Valves	Pressure, Temperature and Liquid Level Switches Rotary Hand Valves Transducers and Transmitters Miniature Low-cost Pressure Switch	Low-pressure Controls	Flareless Stainless and Brass Tube Fittings Needle, Ball, Plug,Metering, Relief, Check Valve Actuators, Sampling Cylinders

Parker/Skinner	Valtorc	WIKA
Gold Ring Valves Solenoid Valves for Water, Oil and Gas Explosion-proof, Bubble-tight Stainless, Brass and Plastic Construction, Proportional Flow Valves	ARRA CERTIFIED Ball Valves, Butterfly Valves, V-Port Ball Valves	Transducers and Transmitters, Pressure/Vacuum Gauges and Sensors Dry and Liquid Filled Stainless and Brass Construction Test Gauges