At swagelok, we have the right combination of regulators to fit any situation, and our experts can help you. Tescom 262700 series is a high flow, low pressure backpressure regulator with spring, dome and air loading options. In low fl ow or closed systems, overpressures often are released by pressure. Balanced design is used to reduce the effect of decaying inlet pressure and in certain models provides increased flow capacity. The baird 772 bpr back pressure regulator was designed for normal or heavy duty service in any application where an upstream fluid pressure must be maintained in an active flowing system. Typical applications would include systems using flash steam for low pressure. Designed for accurate regulation under low flow conditions, these units are widely used for protection of analysis instrumentation or as a relief valve in supply pressure lines to control. Exl back pressure relief valves operation instruction and. This regulator controls upstream pressures up to psig 69. Back pressure regulators on circle valve technologies inc. Pressure reducing regulators reduce a higher supply pressure at the inlet down to a regulated lower pressure at the outlet downstream. Back pressure regulator installation, operation and maintenance instructions this bulletin should be used by experienced personnel as a guide to the installation of the model gp2000r back pressure regulator. Dome loaded pressure regulators the gas cushion makes the difference domeloaded pressure regulators are operated with gas pressure. In most cases this consists of a resilient valve seat plug and a sharp edged orifice.
If connection is made into and below the water level in a tank, the tank must be drained below the regulator connection. Back pressure regulator gh30 series the conoflow series gh30 back pressure regulator is used to maintain a constant upstream pressure of gas, vapor or liquid. Fairchilds wide selection of regulators satisfies your instrument control applications and industrial control needs. They regulate the inlet upstream pressure by opening up only as much as necessary to hold back the desired pressure. Disassembly service reassembly before any service starts, pressure must be relieved and flow to the regulator must be blocked. The gas regulator and gas back pressure relief valve should be installed as close to the relief valve as possible. Graco has a proven line of fluid and back pressure regulators to meet all of your finishing needs. Back pressure regulators with gracos spring loaded, pneumatic diaphragm, or low shear designs. This means that gas or air is fed into the top dome area of the regulator to provide the pressure setpoint for the. Back pressure regulator valves back pressure controllers.
Generalpurpose diaphragmsensing back pressure regulators kbp series the kbp series is a highsensitivity, generalpurpose regulator designed to control back pressure levels in analytical or process systems upstream of the regulator. The many features of this regulator, particularly its precise. Back pressure regulator valve bpr the function of a back pressure regulator is to limit and precisely control the upstream pressure of a gas or liquid from a tank, pump, etc and is much more accurate than a relief valve. Gp2000r back pressure valves armstrong international. Designed for critical and demanding processes, the patented. Restricting element a restriction which allows gas to flow through the regulator at a reduced pressure to meet downstream demand. The equilibar back pressure regulator is an excit ing breakthrough in precision pressure control. The back pressure regulator bpr is used to regulate the outlet pressure from modulating high pressure letdown valves or pump bypass valves when. Turn the pressure adjustment handle until you are at the desired pressure. Unlike springloaded pressure controllers, the opening force of the valve required for pressure reduction is generated by the pressure of a socalled pilot gas and not by a spring. Reciprocating pumps are generally used for applications requiring low capacities with high head pressure.
Ductile ironspring operator back pressure regulator back pressure valves for steam. A pressure regulator provides better resolution and control when its inlet and control range. Pressure loaded regulator a regulator using a fixed volume and pressure of compressible fluid as a spring and set point reference to accomplish pressure reduction or back pressure regulation. Reliable pressure control is essential to the safe operation of your fluid systems. Traditional back pressure regulators set the upstream pressure with a spring. Equilibar back pressure regulators outperform the competition particularly in applications with low flow rates, mixed phase fluids, corrosive media, or extreme. Mckinney, texas 75070 introduction gas pressure regulators. Fundamentals of pressure regulators gregg schneider emerson process management regulator division 310 e. A back pressure regulator is a normallyclosed valve used as an obstruction to reduce flow and maintain pressure upstream. The materials of construction of this regulator make it suitable for applications where corrosive media andor environments are present. Devilbiss liquid pressure regulators have the highest fluid input compression in the industry up to 300 psi. The mark 508 works in conjugation with the mark 608 in a low pressure tank blanketing valve system the mark 508 can be used to vent gas from the tank to prevent the blanketing pressure.
Regulators relief backpressure d262987x012 tescom 262900 series is a dome loaded, negative bias, backpressure tracking regulator with a balanced main valve. Unlike the pressure regulator, a back pressure regulating valve must be installed at the end of a piping system. The many features of this regulator, particularly its precise throttling action, make it ideal for this type of application. Back pressure regulator installation, operation and. When to use back pressure regulators process industry forum.
Instead, a static air signal is applied to the top of the diaphragm to determine the setpoint. The operation of the mk56 requires no control spring or pilot. Bpr 2 back pressure regulator features of the back pressure regulator pilot control tube pct one of the features enabling highly accurate control of inlet pressure balanced seat design bsd an inlet pressure balanced main valve ensures precision and high reliability rapid and accurate monitoring of inlet pressure. Models 525 and 526 regulators are designed for use with the 10900 series actuators for reducing, back pressure and differential pressure applications. Refer to technical specifications bulletin gea19537a for actuator selection. Now a back pressure regulator has the special function to limit and precisely control the upstream pressure of a gas or liquid, such as from a tank or pump. For example, an evaporating pressure regulator defines a certain minimum pressure in an evaporator, while a condensing pressure regulator does the same thing for a condenser.
External piloted reducing regulator external piloted back pressure reducing regulator 5. Most direct spring operated safety relief valves have a high reseating pressure. For over 5 years baker hughess masoneilan pressure regulators have been hard at work controlling pressure of flowing liquids, gases and steam delivered to processes of every description. Datasheet ansi 4123 pressure regulator pressure reducing datasheet ansi 4123 regulator accessories. Similar in design to pressure reducing control regulators which regulate outlet pressures, back pressure regulators control the inlet pressure.
The distinctive feature of the pressure regulator is that it can control pressure. Pressure regulators are necessary to regulate the pressure of certain components of the system. The mark 508 gas back pressure regulator is the ideal valve for low pressure gas regulation. Masoneilan 525526 series pressure reducing, back pressure. This is done by relieving excess pressure into a lower pressure vessel or directly to the atmosphere. The materials of construction for this regulator make it suitable for applications where corrosive media andor environments are present. Always start at a pressure below the set pressure and increase to the desire setting. As aforementioned, there are 3 basic elements that will determine the regulator. Rather, they are valves used to impose a pressure limit within a system. The equilibar is a domeloaded pressure regulator with pilot operation. Pressure regulators fairchild industrial products a. Equilibar general series back pressure regulator brochure.
These designs utilize sliding seals and other moving parts that can introduce hysteresis and other undesired effects into a process. The gp2000r is a highperformance externally piloted throttling back pressure valve for large capacity applications. Open the supply isolation valve to the back pressure regulator slowly. They regulate the inlet upstream pressure by opening up only as much as necessary to hold back the desired pressure at the inlet upstream. In addition, this valve can easily be modified in the field to perform the function of the a4as, a4ab or a4ad valve variations. The nitrogen filled high pressure cylinder must be secured to either a skid or trailer or by. Fairchild model 10bp back pressure regulator installation, operation and maintenance instructions you can mount the model 10bp regulator in any position without affecting its operation. Find a distributor request a quote fluid pressure regulators control pressure of the downstream fluid, allowing operators to accurately control the pressure. Backpressure regulators control an adjustable constant pressure upstream of the valve. A wide range of pneumatic regulators including precision pressure regulators, back pressure regulators, miniature regulators, filter service regulators, stainless steel regulators, motorized regulators, low pressure regulators and specialty regulator. Restricting element a restriction which allows gas to flow through the regulator at a reduced pressure to meet. Air loaded back pressure regulators the mark 56 is a highly accurate and economical air loaded back pressure regulator that provides regulation from a local station or from a remote station.
400 606 941 1164 518 1238 990 1529 1014 284 781 113 1033 599 1333 1394 337 40 558 169 219 1209 309 819 314 92 696 465 775 46 174 736 1196 34 296 857 129 753 727 656 712 213 353 1117 444 332