MANUFACTURERS/PRODUCTS

Product Type: Process Controls and Instrumentation HVAC Specialties Distributor Products

Process Controls and Instrumentation

Click here to download a PDF of this Line Card >
	Flow Measurement: Magmeters, Coriolis Mass, Vortex & Swirl, Variable Area, Wedge & Differential Pressure Pressure & Temperature: SMART, Multivariable, Safety Critical, Direct & Remote Taylor Seals Recorders & Controllers: Videographic, Circular Chart, Single Loop Controllers, Indicators Actuators & Positioners: Continuous Electric and Pneumatic Actuators, Positioners, and I/P Converters Analytical Instruments: pH/ORP, DO, Conductivity, Organics, Combustion, Gas, Oxygen, Turbidity, Calorimetric, Hydrogen Purity, Selectable Ion, Hydrazine, Sodium
DIXSON DREXELBROOK	Bar Graph Indicators, Displays and Alarms Continuous & Point Level Controls, RF Admittance, Radar, Ultrasonic, Float, Hydrostatic, Vibration & Magnetostrictive, Open Channel Flow Meters
	Pressure Switches, Temperature Switches and Level Switches
	Gauges: Pressure, Vacuum, Digital and Analog Indicators, Mini and Industrial Diaphragm Seals, Thermometers
	Fixed Gas Systems for LEL and Toxic Gases, Infrared, Electro Chemical, Control Panels, Portable Gas Instruments, Dräger Tubes, SCBA’s
	Mercoid, Love, Anderson, Pressure, Temperature, Low Pressure Switches, Magnehelic Indicators and Switches
	Thermal Dispersion Mass Flowmeters and Switches
	Pre-engineered SCADA Systems, Radio and Phone, Pump
	Digital Panel Meter, Loop Powered Meters, Process and Temperature Meters, Scanners and Annunciators
	Thermal Dispersion Flow, Level Interface and Temperature Switches
	Turbine, Vortex and Magnetic Flow Meters, BTU Metering Systems
	Primary Flow Elements, Volumetric Flow Measurement Systems, Mass Measurement Systems, Balancing Valve, Orifice Plates, Venturi Flow Tubes
	Thermocouples-T/C Wire, RTDs, Temperature Transmitters
M-System	Signal Conditioners Isolators, Lightning Surge Protectors, Power Transducers
	Electric and Fluid Heat Tracing: Self Regulating, Power Limiting, MI Cable,     Controllers, Instrument Enclosures, Heat Transfer Cement, Tube Bundles
	Flow Sensors & Instrumentation, Accelabar Zero Clearance Flow Meter
Warrick B&W Controls	Liquid Level Controls, Pump Control Systems, Remediation Control Packages
Control Panels and Integration	Complete Control Packages, Transmitters, I/P Transducers, Water and Waste Water Instrumentation, Startup & Calibration Services, PM Service

Top

HVAC Products and Solutions

Click here to download a PDF of this Line Card >
	Armstrong Steam Traps, Liquid Drainers, Steam Distribution & Condensate Return Manifolds, Air Vents, Strainers, Steam Trap Surveys, Wireless Trap Monitors, Condensate Coolers, Spargers, Separators Armstrong Humidifiers: Direct Steam, Ionic Bed Electric, Gas-Fired, Steam to-Steam, Evaporative Cooling Fogging, Unfired Steam Generators Armstrong Fluid Handling: Mechanical & Electrical Condensate Pumps and Packages, Flash Tanks Armstrong Hunt: Unit Heaters, Door Heaters and Make-Up Air Heaters, Heavy-Duty Steam and Hot Water Coils, Replacement Coils, DuraMix VIFB Coils Armstrong Hot Water Group: Instantaneous Steam Hot Water Heaters, Direct Fired Gas High Efficiency Hot Water Heaters, Thermostatic Mixing Valves, “The Brain” & MEGAMIX Digital Electronic Mixing Center, Steam & Hot Water Hose Stations and Mixing Units Armstrong Valves: PRV’s, Pneumatic and Electric Control Valves, Temperature Regulators, Radiator Control Valves and Traps
	Expansion Joints: Metal Bellows, Slip Type, Non-Metallic
	Pressure Switches, Temperature Switches and Level Switches
	Custom Air Handling Packages, Penthouse Packages
	Gauges: Pressure, Vacuum, Digital and Analog Indicators, Mini and Industrial Diaphragm Seals, Pressure and Temperature Switches, Pressure Gauge Accessories-Pressure Snubbers, Gauge Cocks, Needle Valves, Siphons, Peterson Equipment (Pete’s Plugs)
	Desiccant Dehumidification Systems, and Air Handlers
Cataract Steel	Compressed Air, Gas & Heat Transfer Products, Industrial Heat Exchangers, Pressure Vessels, Air Receivers
	Steam, Water, Refrigeration and Ammonia Coils, Fluid Coolers, Air Cooled Condensers, DX Evaporators, Heat Pipes, Industrial Refrigeration Coolers
	Duo-Check II Dual Plate High Performance Wafer Check Valves
Diversified Heat Transfer	Heat Transfer Equipment, Shell and Tube Heat Exchangers, Plate and Frame Heat Exchangers, Steam and Hot Water Generators
	Portable & Fixed Toxic and XP Gas Sensors, Infrared, Electro Chemical; Monitoring Control Panels & SCBA Gear
	Mercoid, Love, Anderson, Pressure, Temperature, Low Pressure Switches, Magnehelic Indicators and Photohelic Switches
	Filter Vessels and Elements: Single or Multi-Bag, Cartridge, Self Cleaning  Filters, Manual and Automated Plastic Valves, Process Control Products
	Heat Pipes for Commercial / Industrial Dehumidifying or Heat Recovery Applications, Prepackaged Pool and Make Up Air Handling Units
	Controlled Volume Pumping Packages-Chemical Feed Metering Pumps Systems, Tanks, Automatic Glycol Feeders, Pump Accessories
	Turbine, Vortex and Magnetic Flow Meters, BTU Metering Systems
	Flowmeters, Flow Balancing Valves and Kits, Flow Balancing Test Kits
Scott Springfield Mfg.	Replacement Single/Multi-Zone Units, Heat Recovery Systems, Custom Air Handlers and Penthouse Air Handlers
	Refrigerant Leak Detection Monitoring Systems
	UVC Emitters for Microbial Control, Enhanced IAQ and Energy Savings
	Bimetal, Industrial Glass & Non-Contact Digital Thermometers & Thermowells
Thermacor Process, L.P.	Pre-Insulated Above and Below Ground Piping Systems, Containment Piping, High Temperature Polyisocyanurate Foam, Pressure Testable Joints, ERM Leak Detection
	Electric Heat Trace for Snow/Ice Melt, Hot Water Maintenance, Freeze Protection Applications & Controls
TMI, Inc.	Strip Doors, Air Doors, Screens and Curtains, Modular Enclosures, Clear and Colored Flexible PVC Film, Noise Control Products
	Gas/Oil Air Turnover, Air Handling Packages, Make-Up Air Heaters, Low Temperature Heat Recovery Packages, Infrared Heaters
	Custom Air Handling Packages, Penthouse Packages
	Air Make-Up and Tempering Packages, Unit Heaters, IFB and VIFB Coils, Door Heaters
	Water Heaters and Boilers, Package Systems, Storage Tanks, Tank Heating Coils, Tube Bundles, Steam Water Heaters, Blow-down Separators
R.L. Stone Services	Design Build, Installation, On-Site Seminars and Training, Energy Audits, Steam Trap Surveys

Top

Distributor Products

Gauges & Diaphragm Seals

Click here to download a PDF of this Line Card >
WIKA	Pressure Gauges and Accessories
Chicago Stainless Equipment	Sanitary Instrumentation, Sani-flow Sanitary Pressure Gauges, Sanitary Digital Thermometers
Hyett Instruments	Diaphragm Seals
Marsh Instruments	Pressure Gauges, Temperature Gauges, Snubbers, Needle Valves, Siphons
McDaniel Controls	Gauges: Pressure and Vacuum, All Stainless Steel Construction
Tel-Tru Manufacturing	Pressure Gauges
Valley Industries	Pressure Gauges, Valves and Regulators, Fittings

Regulators, Transducers and Signal Conditioners

Action Instruments	Signal Conditioners
WIKA Instruments	Temperature Regulators, Pressure Transmitters and Transducers
Bellofram	I/P Transducers, Regulators
ITT Conoflow	Regulators, Transducers, Actuators, Positioners
M-Systems Co, Ltd.	Signal Conditioners, Power Transducers, Limit Alarms, Electronic Actuators, Lightning Surge Protectors

Safety Equipment

Dräger Safety Equipment

Portable Gas Monitors Single & Multi Channel, Dräger Tubes, SCBA’s

Thermocouples-T/C Wires-RTD’s

Marlin Manufacturing	Thermocouples-T/C Wire, RTD’s, Temperature Transmitters
Sensortec	RTD, Temperature Transmitters, Thermowells

Controls and Panel Meters

Dwyer Instruments/ Mercoid Switches	Gauges: Low Pressure, Differential, Manometers, Level Controls, Flow Meters and Flow Switches, Taylor Hi-flow Pneumatic Control Valves, Self-Acting Temperature Control Valves, Butterfly Valves
Future Design	PID/On-Off Time Proportioning Controls
KSR Kuebler	Level Indicators, Level Switches, Transmitters
Partlow Controls	Process Instrumentation, Recorders and Controllers
Potter Electric Signal	Water Flow Switches, Boiler Controls, Industrial Controls
Precision Digital	Digital Panel Meter, Loop Powered Meters, Process and Temperature Meters, Scanners and Annunciators

Filtration

Donaldson Ultrafilter	Liqui/jector Steam Filters, Laboratory-Filters, Filter Devices and Transfer Membranes, Rolled Filters
Filtration Specialist Inc.	High Pressure Filters for Gas Analysis, Compressed Air Systems, Sterilizer Steam Filters, Vacuum Pump Filters, Replacement Cartridges
Filterspun	Depth Filter Cartridges, Plastic and Metal Filter Cartridges/Chambers, Filtration and Coalescing Systems, Corrosion Resistant Pumps
Finite Filter	Compressed Air and Gas Filters, ASME Housings, Conversion Elements
Hayward	Multi-bag Vessels, Filter Bags, Cartridge Filter Systems, Manual and Automated Plastic Valves, Process Control Products
Headline Filters	Compressed Air and Gas, Vacuum Pump, High Pressure, Liquid, Replacement Cartridges, Filters for Instrumentation and Analysis
Monnier, Inc.	Instrumentation Filter Housing and Regulators

Thermometers and Thermowells

WIKA/Weksler	Bimetal & Industrial Glass Thermometers & Thermowells
Taylor/Brooklyn	Certified Glass Thermometers
Tel-Tru Manufacturing	Bimetal, Industrial Glass and Non-Contact Digital Thermometers

Recorders and Accessories

Partlow Controls	Process Instrumentation, Recorders and Controllers, Chart Paper, Pens
Dickson	Recorders: Temperature, Pressure, Humidity, Infrared Thermometers
Chessell	Circular Recorders, Strip Chart Recorders, Paper Pens

Top

NOTE: RL Stone may not be the exclusive representative for all manufacturers throughout all of our locations.