Equilibar - Fletcher, NC
Manufacturer, Custom Manufacturer
Designer & manufacturer of precision back pressure regulators and controls for gas, mixed phase, and liquid applications. Specifications include pressure ranging from 0.02 psig to 5,000 psig, 1/8 inch to 4 inch pipe sizes. Back pressure regulators are often used for pulse generators, fuel cells, flow meter calibration, extrusion pressure control, fuel pump testing, tank blanketing (or padding), and altitude simulation applications.
Brand Names: Equilibar
www.equilibar.com/back-pressure-regulator/i...

Ryan Herco Flow Solutions - Locations
Distributor
Worldwide distributor of back pressure controls including back pressure regulators. Designed to protect piping & equipment from pressure changes, prevent pumps from dead heading & pressure surge conditions & maintaining back pressure in closed loop systems. Materials include PVC, polypropylene, PVDF, PTFE, Viton® & EPDM. Specifications include up stream pressures up to 150 PSI, regulated pressures up to 125 PSI & valve ports up to 1 in. FNTP & 2 in. MPT.
webcat.rhfs.com/familydetails.aspx?FamID=15...

Ashcroft, Inc. - Stratford, CT
Manufacturer
Standard instrument snapaction pressure & temperature switches, including hermetically sealed, UL listed, rated for millions of cycles. Diaphragm materials compatible with all fluids.
www.heise.com/

Emerson Process Management Regulator Technologies, Inc. - McKinney, TX
Manufacturer, Custom Manufacturer
ISO 9001 certified worldwide manufacturer of process controls & components including back pressure controls. Products include regulators, actuators & valves. Back pressure regulators are feature throttle type reliefs & handle high flow rates. Control products are available in different NPT sizes, inlet & outlet pressures, different end connection styles, over pressure protection & temperature capabilities.
www2.emersonprocess.com/en-US/brands/fisher...

Back Pressure Controls Products
	Remote Measurement and Control

Porter Instrument Div., Parker Hannifin Corp. - Hatfield, PA
Manufacturer, Custom Manufacturer
ISO 9001:2008 manufacturer of standard & custom back pressure controls. Compact spring-loaded, diaphragm-operated precision back pressure regulators & electronic precision pressure controllers/regulators are available.
Brand Names: Parker, Porter
www.porterinstrument.com/precision_pressure...

Plast-O-Matic Valves, Inc. - Cedar Grove, NJ
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom pneumatic controls including back pressure controls, explosion proof controls, pressure controls & proportioning controls. Types include flow regulator valves, pressure regulators & pressure switches. Flow regulator valves are available in pressure ranges from 15 psi. to 120 psi., with pipe sizes ranging from 1/4 in. to 3 in. Pressure regulators feature engineered thermoplastics for corrosive & ultra pure liquids, one piece body construction for elimination of internal leakage that can cause malfunction, rolling diaphragms for pressure sensing. Pressure switches are available with pipe sizes of 1/2 in. Applications include corrosive & ultra-pure liquids. RoHS compliant.
Brand Names: Plast-O-Matic
www.plastomatic.com/

Proportion-Air, Inc. - McCordsville, IN
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom controls including back pressure controls. Available as electro-pneumatic controls. Types of electro-pneumatic controls include open & close loop controls, multiple loop controls, multi-functional microprocessor-based controls, drop-in replacement pressure controls & combined pressure, vacuum & flow controls. Capabilities include design engineering, prototyping, testing & validation. Made in the USA.
Brand Names: Proportion-Air
www.proportionair.com/products/electronic-f...

Keckley Company - Skokie, IL
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom back pressure controls & regulators for steam, oil, air & water service. Back pressure controls & regulators are suitable for use on low or medium pressures due to close regulation & tight closing features. Materials include bronze & cast iron with stainless steel seats & balls & cadmium plated steel springs. Back pressure controls & regulators can be single seated or double seated & are available in 3?8 in. to 14 in. sizes with screwed or flanged ends in globe or angle patterns & pressure range of 10 psi to 75 psi. Double seated back pressure controls & regulators are used on low pressure exhaust steam lines to maintain constant back pressure between 2 psi to 20 psi for heating, drying & process purposes.
www.keckley.com/control-valves.html

Petersen Products Co. - Fredonia, WI
Manufacturer, Custom Manufacturer
Woman-owned custom manufacturer of back pressure controls including water & air inflation deflation controllers. Available with cam & groove coupling or male/female quick connect coupling. Capabilities include metal working, woven & non-woven pattern cutting, sewing single & multiple stitches with Kevlar®, nylon & polyester thread, RF seam welding of polyurethane & high pressure swaging. Back pressure controls are available with limited 90 day warranty from date of shipment.
Brand Names: Petersen
www.petersenproducts.com/936-1_Pipe_Plug_In...

L & J Technologies, Inc. - Hillside, IL
Manufacturer, Custom Manufacturer
Manufacturer of back pressure regulators for anaerobic digester gas systems. Back pressure regulators are available in ¼ in. to 2 in. body sizes with 25 PSIG working pressure.
Brand Names: Biogas, Shand & Jurs
www.ljtechnologies.com/sjbio/97220-Back-Pre...

Pathway Control Products, Inc. - New Caney, TX
Manufacturer, Custom Manufacturer
Manufacturer of back pressure & pressure reducing two way valves. Back pressure low pressure valves are diaphragm operated, piston operated or pilot operated in 2 in. to 4 in. sizes. Back pressure & pressure reducing high pressure valves are pilot operated in 1 in. & 2 in. sizes. Some 316 SS models available.
www.pathwaycontrol.com/valves.htm

Siemens, Authorized Controls Dist. - M & M Control - Antioch, IL
Distributor, Manufacturer, Custom Manufacturer, Service Company
A full line of electronic or pneumatic HVAC, energy management & process controls including thermostats, valves, controllers & transmitters for the control of temperature, humidity & flow level. Service is also available on many brands of controls & valves.
Brand Names: Landis & Gyr, MCC Powers, Powers, Powers Regulator, Siemens
www.mmcontrol.com/documents/B-CC.pdf

Rapid Pump & Meter/ Machinery Services Corp . - Paterson, NJ
Distributor, Custom Manufacturer, Service Company
Custom manufacturer and distributor of back pressure controls including flow preventers. Types include reduced pressure, sewer, wastewater and residential preventers. On-site and 24-hour services are available.
Brand Names: Blue Ribbon, Bulldog, LMI, Liquitron, Yaskawa
www.rapidservice.com/meters-and-instrumenta...

Ives Equipment Corp. - King of Prussia, PA
Distributor, Custom Manufacturer, Manufacturers' Rep, Service Company
Manufacturers rep. & stocking distributor of high pressure pneumatic regulators for sanitary & high water purity applications. Specifications include maximum rated capacity of 90000 scfh, maximum inlet pressure of 150 psig, outlet pressure ranging from 3.5 in. w.c to 30 psig, & connection size ranging from 1/2 in. to 4 in. Available options include full & partial internal relief, OPSO, UPSO, USSA, & external sensing.
Brand Names: ASCO, Siemens, United Electric Controls
www.ivesequipment.com/pressure-instrumentat...

MasterFlo Pump, Inc. - Gibsonia, PA
Distributor, Custom Manufacturer, Service Company
Stocking distributor of back pressure controls including valves for metering pump applications. Pressure relief valves & pulsation dampeners are also available.
Brand Names: Jesco
www.masterflopump.com/Jesco.html

Cornerstone Controls, Inc. - Plymouth, MI
Distributor, Custom Manufacturer, Manufacturers' Rep, Service Company
Distributor of controls including backpressure, combustion, flow, level, pneumatic, positioning, pressure & temperature controls for digital, electronic & material handling applications.
Brand Names: ASCO, Bestobell, BioNet, Emerson, Emerson Process Management, FISHER, PROVOX, Pepperl+Fuchs,...

Vinson Process Controls - Carrollton, TX
Distributor, Custom Manufacturer
Distributor of control systems & valves.

Atlantic Controls Ltd. (Laurentide Controls) - Saint John, NB
Custom Manufacturer, Manufacturers' Rep

H.O. Trerice Company - Oak Park, MI
Manufacturer
Manufacturer of pressure controls including one-piece & two-piece pressure regulators, back pressure relief valves, pressure regulators for steam services & pressure regulators for water services. Back pressure relief valves are available with self contained design, spring-loaded diaphragm actuator, cast ductile iron housing & yoke & cast iron pressure plate. Specifications include sizes from 1/2 in. to 6 in., regulated pressures to 100 psi, maximum inlet pressure to 200 psi, 1/4 NPT connection & pressure ratings to 250 psi.

Williamson New England Electric Motor Service Corp. - Chelsea, MA
Distributor, Service Company
Distributor of pumps, pump systems, air compressors, motor controls & compressor accessories. Types of products include transmission & mechanical products, grinders/buffers, gear products & motion controls. Types of power transmission & mechanical products include alternators, drives, phase converters, control panels, capacitors, level controls, bearings, couplings, mechanical seals & drives, pulleys/sheaves, belts & brakes. Pumping systems such as boiler feed systems, pressure booster systems & check valve water systems are available. Capabilities include design engineering, construction, rebuilding, installation, wiring, welding, machining, fabricating, balancing & rewinding/overhauling. Services include repair, preventative maintenance, crane services, rigging, repairing, warehousing & training. 24 hr emergency services. Motor & pump repair services are UL® listed.

Lakeside Process Controls Ltd. - Sarnia, ON
Custom Manufacturer, Manufacturers' Rep

Airtrol Components, Inc. - New Berlin, WI
Manufacturer, Custom Manufacturer, Service Company
Designer & manufacturer of miniature pressure & vacuum components, including switches, regulators, valves, flow controls & electronic interface devices. Customized to application.

Dwyer Instruments, Inc. - Michigan City, IN
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified manufacturer of industrial controls including back pressure & pressure controls. Pressure controls are available as differential pressure controllers. Specification of differential pressure controllers include 250 ms response time, 24 V DC low voltage power consumption, high voltage power consumption ranging from 100 V to 240 V, 1/8 in. female NPT process connections, 4 mA DC to 20 mA DC output signal & 4 digit backlit LCD display. Differential pressure controllers are UL® & CE approved. Products are available with one year warranty.
Brand Names: Digihelic

PCE Pacific, Inc. - Bothell, WA
Distributor, Custom Manufacturer
Distributor Of Control Systems

Experitec - Liberal, KS
Distributor, Custom Manufacturer