Circle Valve Technologies offers pressure relief valves in the following configurations: R6000 Series, 5300 Series, D500 Series ASME safety, 5100 Series, and 500 Series. 5300 Series relief valves can handle cracking pressures ranging from 10 to 10500 PSIG and operating temperatures ranging from -20 to 350°F. These valves come in a brass/303 stainless steel construction, valve sizes ranging from 1/4" to 1/2", female pipe end connections, and a zero leakage design. Circle Valve also supplies HP500 Series and M5100 Series ASME pressure relief valves.

Plast-O-Matic Valves offers pressure regulator valves in the following configurations: Series PRHM, Series PRH, Series PRE, Series PRD differential, and Series PR. Series PRD differential pressure regulators come in sizes ranging from 1/4" to 3", and they are constructed from Viton, EPDM, Grade 1, and Type 1 Geon PVC materials. These valves are easily installed, fluoropolymer coated, heavy-duty designed, and can handle pressures ranging from 5 to 150 PSI. Plast-O-Matic also supplies Series PRA air loaded pressure, Series PRH-U ultra-pure, and non-rising stem pressure valves.

Gadren Machine Company offers pressure reducing valves for maintaining uniform water pressure from overhead tanks/pumps in industrial and building applications. These valves allow for ongoing outlet pressures when inlet pressures rise above acceptable ranges, and they work to lower pressures/reduce wear in plumbing systems. They come in valve sizes ranging from 1/2" to 3", and they are constructed from brass/stainless steel materials.

Clark-Cooper Div. manufactures high pressure solenoid valves in the following configurations: EH 30 Series direct operated, EH 40 Series compact high flow, EH 50 Series high flow, and EH 70 Series universal mount. EH 30 Series valves can handle operating pressures up to 10,000 PSIG and fluid temperatures ranging from -350 to 400°F. EH 40 Series valves feature full internal port sizes, 1/2" NPT connections, and a 316SS construction.

Parker manufactures medium pressure valves/filters in the following configurations: LPRA Series relief, MPB Series ball, MPBV Series bleed, MPC Series check, MPF Series filter, MPGV Series needle, MPN Series needle, and MPR series relief.

GEMS offers Predyne pneumatic solenoid and miniature solenoid valves for high-pressure applications. Product line includes cryogenic valves, isolation valves, and manifolds. These valves are available in the following configurations: two-way, three-way/normally closed, three-way/normally open, three-way/multipurpose, or three-way/directional control.

Cole-Parmer offers Parker multi-media solenoid valves that can handle pressures up to 1250 PSI. EW-01870-01 model solenoid valves feature a two-way 1/16" A-Lok design, voltage ratings up to 24 VDC, and an estimated response time less than 5 milliseconds. These valves are designed for high repeatability applications.

Omega Engineering manufactures pressure valves in a variety of configurations. Omega-Flo high pressure 2-way solenoid valves come in sizes ranging from 1/2" to 2.5" NPT, and they have a wide range of liquid/gas applications. These valves can handle pressures up to 700 PSI, temperatures ratings ranging from 32 to 210°F, and cycling rates up to 250 CPM.

Georg Fischer offers pressure retaining, pressure reducing, and pressure relief valves. These valves come in sizes ranging from 3/8" to 4", and they can handle pressures ranging from 7 to 150 PSI.

Automated Valve & Equipment Co. offers pressure regulating valves constructed from bronze, cast iron, and ductile iron materials. O, B, 455, and 402/403 Series pressure regulating valves feature flanged/threaded connections, and they can handle inlet pressures up to 450 PSIG. R and 3040 Series relief back pressure valves come in sizes ranging from 1/2" to 3", and they can handle inlet pressure ratings up to 300 PSI. 175 and 153 Series self-operated/temperature regulating valves have heating/cooling applications, a temperature range from 20 to 250°F, and a size range from 1/2" to 4".

Ives Equipment Corp. offers pressure valves in pressure regulator and high-pressure metal seated ball configurations.

Maxpro South distributes a wide range of medium/high pressure valves, fittings, and tubing products. 2-way straight medium pressure valves are available in OD tube sizes ranging from 1/4" to 1" and orifice sizes ranging from 0.125" to 0.562". 2-way angle high pressure valves can handle pressures to 65,000 PSI, and they come with regular or vee stem types.

Valv-Trol produces low and high pressure valves in a variety of configurations, including 2-way/3-way position, quick acting, reverse acting, 3-way diverter, two-pressure assembly, etc. Low pressure 2-way valves feature a reverse acting design, and they have liquid transfer, water circulation, water cooling, and steam heating applications. High pressure angle check valves come in sizes ranging from 3/4" to 4", and they can handle pressures ranging from 3,500 to 30,000 PSI.

Proportion Air manufactures electronic air pressure regulators and air flow control valves in a variety of configurations. High flow control valves are closed loop electronic pressure regulators that can achieve forward flow rates up to 200 SCFM and exhaust flow rates up to 300 SCFM. Electronic pressure control valves feature control limits up to 1000 PSI, while ultra high resolution pressure control valves are capable of resolutions as high as +/- 0.005% F.S.

Thorco manufactures pressure, vacuum, and emergency relief valves for bulk storage, beverage, food, pharmaceutical, chemical processing, refining, and atmospheric applications. 1200A Series pressure/vacuum relief valves come in sizes ranging from 2" to 12", and they are constructed from fiberglass, stainless steel, carbon steel, or aluminum materials. These valves can handle pressure ratings to 15 PSIG and vacuum settings to 12 PSIG.