Accessories

Accessories for instrumentation products.

Filters, Regulators and Lubricators

Filters, regulators and lubricators for pneumatic systems.

Model F195 Disposable In-Line Filter Remove 99.99% of unwanted particles from within your gas flow with the Model F195 Disposable In-Line Filter. Encapsulated microfiber filter elements are able to filter particles as small as 0.1 micron	Series AFR Air Filter Regulator Provides clean air pressure to pneumatic controllers, valve positioners, air cylinders and other equipment. Self-relieving regulator is equipped with a 40 micron filter housed in a dripwell with gage port.	Model F222/F451 Liquid/Particle Filter Compressed air filters protect equipment and instrumentation from harmful contaminants such as dirt, water and oil. Liquids are continuously coalesced and released through the manual drain valves.
Series F700 Nylon Filter Ideal For Filtering Liquids and Gasses in Low Pressure Systems Ideal for the filtering of liquids or gasses in low pressure systems. The nylon construction is resistant to harmful components often found in sample streams. Replaceable filter elements remove particles and droplets	Series SAFR Subminiature Air Pressure Regulator Air Regulator, Compact and Light Weight, Low Cost Is a miniature air pressure regulator that provides the highest level of regulation accuracy and repeatability available in a compact, lightweight body. This is ideal for applications that require exact pressure control and substantial flow capacity under variable operating conditions and limited space.	Series AFR2 Instrument Air Filter Regulator Compact, Stainless Steel Models, Cost-Effective Provides clean air pressure to pneumatic controllers, valve positioners, air cylinders and other equipment. Self-relieving regulator is equipped with a 40 micron filter housed in a dripwell with gage port.

Three-Way Valve

Valves for pneumatic tubing systems.

Series A-5000 Shut-Off Valve

3-Way PVC Ball Valve

Is constructed of solid gray PVC, has Buna-N seals, and a rotating flag handle.
The A-5000 can withstand a maximum operating pressure of 125 psi (8.6 bar) and a maximum temperature of 140°F (60°C). The handle has 180° rotation and lies directly over the open port.
When the handle is rotated 90° from either port, flow is shut off to both outlet ports.
Since the bottom port on the valve is common, the Series A-5000 can be used as a diverter or a selecting valve.
These valves can be used to conveniently hook 3 instruments together, as well as testing various gages and transmitters.

Cooling Extensions

Pipe connection extensions that dissipate heat for process instruments used in high temperature installations.

Series A-240/A-250 Perforated or Spiral Cooling Tower

Protect Instrumentation in High Temperature Applications

Protect pressure instruments during high temperature applications.
Both the spiral and perforated styles are made with 316L stainless steel and are available with various process connections in NPT or BSPT style.
Both Cooling Towers are ideal for use with pressure gages, switches, and transmitters where the process media temperature exceeds the rating of the instrument.

Gage Guards/Pressure Snubbers

Protect pressure instruments from pressure surges.

Series GG Gage Guard

Protecting pressure or vacuum instruments from clogging, corrosion, or damage,provides a protective barrier between the process fluid and the instrument.
The hermetically-sealed uni-body protects from the possibility of leaking.
Glass-filled Polypropylene housing is suitable for most inorganic chemicals and temperatures up to 185°F (85°C).

Series PS Pressure Snubber

Designed to protect pressure instrumentation by dampening surges and pulsations and assuring steady average pressure readings.
Snubbers are available in a variety of pore sizes for use with gases, water, and oils.

Adjustable Pressure Snubber

Protect Instruments from Pressure Spikes or Fluid Hammer

Protect pressure instruments against fluctuations, surges, spikes and fluid hammer.
The fine thread adjustable valve allows you to fine tune harmful harmonic vibration from the fluid systems and isolate the instrument from process when service or replacement is necessary.

Pneumatic Valves

Valves for pneumatic tubing systems.

Series A-4000 Quick Connect Pneumatic Valve

Valves for pneumatic tubing systems.

Pneumatic Fittings

Pneumatic fittings are for pneumatic tubing systems.

Series A-3000 Quick Connect Pneumatic Fittings

Fittings for pneumatic tubing systems.

Fittings, Stainless Steel

Pneumatic fittings made of stainless steel.

Series A-1000 Stainess Steel Fitting Line

Quality tube fittings have been designed and manufactured to provide reliable leak-free connections in a wide variety of applications.
A reliable leak-free tubing system will be achieved by combining the proper selection and handling of tubing with the proper tube fitting selection and installation.

Fittings, Nylon

Pneumatic fittings made of nylon.

Series A-2000 Nylon/Stainless Steel Fitting

Nylon Fittings

Dwyer Instruments offers a wide variety of nylon fittings.
Nylon fittings are generally acceptable for use at working pressures up to 150 psi at normal room temperatures, and at very low pressures, temperatures can approach 175°F.

Stainless Steel Fittings

Our stainless steel fittings and pipe nipples are made from 304 or 316 SS and are rated at 150 psi.

Static Pressure Sensors

Sensors for use with pressure gages, switches, transmitters and other controllers to pick up or sense static pressure drop across air filters and cooling coils, blower input and discharge pressures, etc.

Static Pressure Tips & Accessories

These sensors are for use with Manometers, Magnehelic® Gages, Pressure Switches and other Controllers to pick up or sense static pressure drop across air filters and cooling coils, blower input and discharge pressures, etc.
The angled tips shown have 4" insertion depth.
Each has four radially drilled .040" sensing holes.
All except Model A-303 mount in 3/8" hole in duct. For portable use, a magnet holds No.
A-303 in place.
No. A-305 is used where a very low actuation or sensing point is required on a pressure switch or gage or where response time is critical. No.
A-307 and A-308 are suitable for use in low velocity systems or where the need for accuracy is less critical.

Valves / Connectors

Valves and connectors for pneumatic tubing systems.

Valves-Connectors

Instrument valves for permanent installation.
They mount in part A-316, A-317, type C Manometer connections or Magnehelic® Gage and connect to metal tubing or 1/8" pipe.
Gage Connectors for Manometers.
Molded nylon construction, threaded .786 x 27 N.S., with O-ring seal.

Fittings, Filters & Mufflers

Fittings, filters, and mufflers to pneumatic tubing systems.

Fittings/Filters/Mufflers

Special line filters for the Magnehelic® Gage and Capsuhelic® Gage allow use with dusty environments.
Particulate filters are used for Dwyer Flowmeters to keep the air clean.
The Muffler Accessory can be easily field installed to any diaphragm valve with an exhaust.
Pneumatic exhaust ports are on the diaphragm valves that have dual diaphragms and the units with the integral mounted solenoid.
The muffler decreases the amount of noise when the air is exhausted from the valve.
Valves with dual diaphragms and an integral solenoid have two exhaust ports and will require one A-237 and one A-238.

Mounting Options

Mounting flanges and brackets for pressure gages.

Mounting Options

Various mounting options for Dwyer products.
Brackets and magnet assemblies are just a couple of examples.

Series A-320 Instrument Enclosure

Protects Various Instruments

The A-320-A fits standard Magnehelic® size instruments (4-9/16" diameter) and the A-320-B fits standard 3000MR Photohelic® switch/gage size instruments (4-13/16" diameter).
Both models include silicone tubing, gage barbs and mounting hardware.

Carrying Cases

Portable case accessories for test equipment.

Carrying Case

Steel cases are substantially constructed and finished in gray hammerloid.
Molded plastic cases are gray, high density polyethylene.

Psychrometer & Slide Charts

Sling psychrometers and calculator slide charts.

Psychrometer & Slide Charts

Psychrometers are used for handheld, non-electric humidity metering.
Air Velocity Calculator Slide Charts make spot checking with Dwyer Pitot Tubes quick and easy.

Air Filter Kits

Accessory kits for pressure instruments to measure filter pressure drop.

Kits for Air Filter Gage/Switch

Use with differential pressure gages or switches to measure the resistance of air flow through filters.

Gage Fluids

Replacement fluids for fluid filled manometers.

Gage Fluid

Gage fluids in the 1 ounce size are furnished in unbreakable plastic dispenser type bottles. Larger sizes are supplied in plastic bottles with screw caps.
CAUTION: Use only Dwyer fluids in Dwyer gages.
Red Gage Fluid, .826 sp. gr., is the standard fluid for use in inclined manometers, "D" type vertical manometers and all Dwyer gages using red fluid.
Blue Gage Fluid, 1.910 sp. gr. For special instruments and Mark II Models 26 and 28.
Fluorescein Green Color Concentrate, water coloring agent. Not to be used full strength. Add 3/4 oz to a quart of distilled water. Contains a wetting agent to improve the meniscus characteristics. Use in vertical manometers only.

Regulator Kit

Flow regulator kits for RM and VF flowmeters.

RKA Regulator Kits

Optional extras for both Rate-Master® Flowmeters and Visi-Float® Flowmeters

Regulator Kits are available as optional extras for both Rate-Master® Flowmeters and Visi-Float® Flowmeters models.
This view shows Model VFA Visi-Float® flowmeter with integrally connected constant differential pressure regulator.
Recommended for use where inlet air pressure fluctuates widely and constant flow is required.
The regulator maintains a constant pressure differential of approximately 3 ± .15 psig.
Supply pressure must be at least 3 psig above the flowmeter discharge to operate.
The standard regulator may be used with any Dwyer Series RM or VF flowmeter up to 200 scfh.
For higher flow rates consult the factory.

Tubing

Tubing for pneumatic systems.

Gage Tubing Accessories

Clear PVC tubing is easily inspected and is therefore best for test applications where a possibility of fluid entering the tubing exists.
Rubber tubing has less tendency to kink in storage and occupies less space, thus is best for portable work.
Aluminum tubing is recommended for permanent installations.
Flexible double column tubing is used with Mark II Manometers and the Wind Speed Indicator.
Norprene® tubing is useful in a wide range of temperatures from -75 to 275°F (-60 to 135°C)and will not weaken after long term exposure to heat and ozone.
Flexible colored vinyl tubing is quickly distinguishable in applications where more than one line is required aiding installation.
Black nylon tubing is recommended for high temperature and pressure applications.

Siphons

Protect pressure instruments in high temperature applications. Water held in the 180° coil prevents steam from contacting the instrument.

Series A-169 Carbon Steel Siphons

The Carbon Steel Siphons protect pressure instruments in high temperature applications.
Water held in the 180° coil prevents steam from contacting the instrument.
Constructed with carbon steel, the A-169 siphons can withstand high temperature and pressure.
They are ideal for use with pressure gages and instrumentation where the process media temperature exceeds the rating of the instrument.
The male NPT connection allows for easy installation and secure attachment.

Series A-170 316 Stainless Steel Siphons

The 316 Stainless Steel Siphons protect pressure instruments in high temperature applications.
Water held in the 180° coil prevents steam from contacting the instrument.
Constructed with 316 stainless steel, the A-170 siphons offer the best resistance to corrosion, high temperature, and pressure.
They are ideal for use with pressure gages and instrumentation where the process media temperature exceeds the rating of the instrument.
The male NPT connection allows for easy installation and secure attachment.