Point of Use Regulators Gas Pressure Regulators
Last Updated: April 1, 2025
Description
Point of use gas pressure regulators are devices designed to attach at or near a tool or device. Their primary function is to regulate the pressure of gas at the point where it is used, ensuring that the gas is delivered at a consistent and appropriate pressure for the specific application.
Working Principle
Point of use regulators operate by reducing the pressure of a gas from a higher inlet pressure to a lower, controlled outlet pressure. This is typically achieved through a force balance mechanism involving a diaphragm and a spring. The diaphragm senses the outlet pressure, and the spring provides a counteracting force. When the outlet pressure rises above the set point, the diaphragm moves to close the valve, reducing the flow and pressure. Conversely, when the outlet pressure drops, the spring pushes the diaphragm to open the valve, increasing the flow and pressure. This self-regulating mechanism ensures that the gas is delivered at a stable pressure, which is crucial for the safe and efficient operation of various tools and devices.
Applications
Point of use regulators are commonly used in applications where precise control of gas pressure is necessary. Specific examples include:
- Laboratory settings where gas is used for experiments and must be delivered at a precise pressure.
- Industrial processes where tools and machinery require a specific gas pressure to function correctly.
- Medical devices that utilize gas, such as oxygen delivery systems, where consistent pressure is critical for patient safety.
Advantages over other Gas Pressure Regulators
Point of use regulators offer several advantages over other types of gas pressure regulators:
- Proximity to Application: Being located near the tool or device, they provide more accurate pressure control at the point of use, reducing the potential for pressure drops or fluctuations that can occur in longer gas lines.
- Compact Design: Their design allows for easy integration into existing systems without requiring significant modifications.
- Enhanced Safety: By regulating pressure close to the application, they minimize the risk of over-pressurization, which can lead to equipment damage or safety hazards.
Limitations
Despite their advantages, point of use regulators have some limitations:
- Limited Pressure Range: They may not be suitable for applications requiring very high or very low pressures, as they are typically designed for moderate pressure ranges.
- Maintenance Requirements: Regular maintenance is necessary to ensure their accuracy and reliability, which can be a consideration in terms of operational downtime and costs.
Considerations
When selecting and using point of use gas pressure regulators, several factors should be considered:
- Initial Costs: While generally affordable, the cost can vary depending on the specific features and materials used in the regulator.
- Operating Expense: Consider the cost of regular maintenance and potential downtime for repairs or adjustments.
- Durability: Choose regulators made from high-quality materials to ensure longevity and resistance to wear and tear.
- Accuracy: Ensure the regulator is capable of maintaining the desired pressure with minimal fluctuation, which is critical for applications requiring precise pressure control.
- Replacement and Maintenance Costs: Factor in the cost of replacement parts and the frequency of maintenance required to keep the regulator functioning optimally.
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 44-5000 Series is a compact, lightweight high purity absolute single-stage regulator for specialty, corrosive, and pyrophoric gases. Diffusion-resistant metal-to-metal diaphragm seal ensures gas purity and integrity. Excellent for sub-atmospheric outlet pressures. Ideal for use in gas... [See More]
- Regulator: Point Of Use; Pressure Reducing; Vacuum / Absolute
- Valve Size: 0.25
- Media: Gas; Specialty Corrosive
- Maximum Pressure: 3500.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 44-3200 Series is a compact, high flow, high purity single stage regulator for specialty, flammable and industrial gas flows of 5-50 SCFM [141-1415 SLPM]. Diffusion-resistant metal diaphragm seal ensures gas purity and integrity. Ideal for use in laboratory and point-of-use gas... [See More]
- Regulator: Point Of Use; Pressure Reducing
- Valve Size: 0.38 to 0.50
- Media: Gas; Specialty Corrosive
- Controlled Pressure Range: 0.00 to 200.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 26-1200 Series dome loaded, high flow pressure reducing regulator is externally loaded with 6000 PSIG [413 bar] maximum inlet and outlet pressures. The 26-1200 Series offers three orifice sizes and Cv ratings, balanced main valve and available external sensing. Ideal for use in rocket... [See More]
- Regulator: Point Of Use; Pressure Reducing
- Valve Size: 0.75 to 1.25
- Media: Gas
- Controlled Pressure Range: 0.00 to 6000.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 26-1100 Series is a dome load, high flow pressure reducing regulator. Ideal for use in pneumatic test consoles and R &D laboratories. [See More]
- Regulator: Point Of Use; Pressure Reducing
- Valve Size: 0.38 to 0.50
- Media: Gas
- Controlled Pressure Range: 150.00 to 10000.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 44-2200 Series is a compact, lightweight high purity single stage regulator for specialty, flammable, and industrial gas flows of <5 SCFM [141 SLPM]. Diffusion-resistant metal diaphragm seal ensures gas purity and integrity. Ideal for use in laboratory and point-of-use gas systems,... [See More]
- Regulator: Point Of Use; Pressure Reducing
- Valve Size: 0.25
- Media: Gas; Specialty Corrosive
- Controlled Pressure Range: 1.00 to 500.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 12 Series is a miniature ultra high purity IGS/VCR pressure reducing regulator. The 12 Series offers 5 Ra or 10 Ra micro inch finishes, tied diaphragm and internally springless & threadless design. It provides inlet pressures of 150 PSIG [10.4 bar], outlet pressure from 28" Hg-15,... [See More]
- Regulator: Point Of Use; Pressure Reducing; IGS Regulator
- Valve Size: 0.25
- Media: Gas
- Maximum Pressure: 150.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 20-1200 Series lightweight aluminum constructed preset regulator offers an integrated 10 micron filter designed for hydrogen service. NGV 3.1 and TUV batch approved for on board hydrogen fuel cell vehicles. Excellent choice for other OEM applications. [See More]
- Regulator: Point Of Use
- Valve Size: 0.25 to 0.50
- Media: Gas; Specialty Corrosive
- Controlled Pressure Range: 0.00 to 450.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 20-1000 Series regulator is designed with lightweight aluminum construction for onboard compressed natural gas vehicles with 7 liter engines and larger. Piston sensed for long service life with coolant heat jacket to prevent freezing. [See More]
- Regulator: Point Of Use
- Valve Size: 0.25 to 0.38
- Media: Gas
- Controlled Pressure Range: 50.00 to 320.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 449-254 Series high purity, high flow pressure reducing regulators is ideal for high pressure bulk specialty gas delivery systems (BSGS). The 449-254 Series offers a Cv=1.0, surface finish of 10 Ra and is available with Hastelloy ® trim. Inlet pressure is 1500 PSIG [103 bar] with... [See More]
- Regulator: Point Of Use; Pressure Reducing
- Valve Size: 0.25 to 0.50
- Media: Gas; High Purity
- Controlled Pressure Range: 25.00 to 400.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM 44-7400 Series high flow, high pressure, spring loaded pressure reducing regulator offers outlet pressures up to 5000 PSIG [345 bar] with flow rates from 25-2000 SCFM. Available in brass or 300 Series stainless steel and two standard Cvs. Ideal for use in CNG dispensing and hydraulic or... [See More]
- Regulator: Point Of Use; Pressure Reducing
- Valve Size: 0.25 to 0.75
- Media: Gas
- Controlled Pressure Range: 4000.00 to 5000.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 44-3400 Series is a compact, lightweight high purity two-stage cylinder regulator for specialty, corrosive, and pyrophoric gases of 5-200 SCFM [141-5663 SLPM]. Diffusion-resistant metal-to-metal diaphragm seal ensures gas purity and integrity. Ideal for use in high pressure gas... [See More]
- Regulator: Point Of Use; Pressure Reducing; Duel Stage
- Valve Size: 0.25
- Media: Gas; Specialty Corrosive
- Controlled Pressure Range: 0.00 to 250.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ FR2000 Series high purity regulator is extremely accurate and designed for high flow at low outlet pressure. Diffusion-resistant metal diaphragm seal ensures gas purity and leak integrity. Ideal for use in low pressure purge applications. [See More]
- Regulator: Point Of Use
- Valve Size: 0.50 to 0.75
- Media: Gas; Specialty Corrosive
- Controlled Pressure Range: 0.00 to 150.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 74-3000 Series ultra high purity pressure reducing regulator offers 5 Ra or 10 Ra surface finishes, high flow Cv= 0.5, and an internally threadless and low internal volume design. Inlet pressures are 600, 1000 or 3500 PSIG [41.3, 69, 241 bar] with outlet pressures up to 150 PSIG [10.3... [See More]
- Regulator: Point Of Use; Vacuum / Absolute (optional feature)
- Valve Size: 0.50
- Media: Gas; High Purity; Specialty Corrosive
- Maximum Pressure: 300.00 to 3500.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 64-5000 Series ultra high purity absolute/subatmospheric pressure reducing regulator offers a 10 Ra surface finish. Inlet pressures are 120, 600 or 3500 PSIG [8.3, 41.3, 241 bar] with outlet pressures ranges from 28" Hg-15 to 100 PSIG [6.9 bar]. Ideal for use in vacuum pressures... [See More]
- Regulator: Point Of Use; Vacuum / Absolute
- Valve Size: 0.25
- Media: Gas; High Purity; Specialty Corrosive
- Maximum Pressure: 3500.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 64-3600 Series ultra high purity, highly sensitive pressure reducing regulator offers low droop, tied diaphragm design, 10 Ra surface finish with available Hastelloy ® trim. Inlet pressures are 600 or 3500 PSIG [41.3 or 241 bar] with outlet pressure up to 150 PSIG [10.3 bar]. [See More]
- Regulator: Point Of Use
- Valve Size: 0.25 to 0.50
- Media: Gas; High Purity; Specialty Corrosive
- Controlled Pressure Range: 1.00 to 150.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 64-2800 Series ultra high purity, tied diaphragm pressure reducing regulator offers stainless steel construction with 10 Ra surface finish and is electronic grade cleaned. Inlet pressures of 1000 or 3500 PSIG [69 bar or 241 bar] with outlet pressures up to 150 PSIG [10.3 bar]. Ideal... [See More]
- Regulator: Point Of Use
- Valve Size: 0.25 to 0.50
- Media: Gas; High Purity; Specialty Corrosive
- Controlled Pressure Range: 1.00 to 150.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 74-2400 Series ultra high purity tied diaphragm pressure reducing regulator provides low internal volume and an internally springless & threadless design. The 74-2400 Series offers 5 Ra or 10 Ra surface finishes and 316 stainless steel VAR. Inlet pressures are 600 or 3500 PSIG... [See More]
- Regulator: Point Of Use; Pressure Reducing
- Valve Size: 0.25 to 0.50
- Media: Gas; High Purity
- Controlled Pressure Range: 1.00 to 100.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 74-3800 Series ultra high purity tied diaphragm pressure reducing regulator offers high flow and internally threadless and low internal volume design with Cv=0.5. The 74-3800 Series in available with 5 Ra or 10 Ra surface finishes. Inlet pressures are 600, 1000 or 3500 PSIG [41.3, 69,... [See More]
- Regulator: Point Of Use
- Valve Size: 0.50
- Media: Gas; High Purity; Specialty Corrosive
- Controlled Pressure Range: 3.00 to 100.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 64-2600 Series economical ultra high purity pressure reducing regulator provides stainless steel construction with 10 Ra surface finish and is electronic grade cleaned. Inlet pressures are 600 or 3500 PSIG [41.3 or 241 bar] with outlet pressures of up to 250 PSIG [17.2 bar]. Ideal for... [See More]
- Regulator: Point Of Use; Pressure Reducing
- Valve Size: 0.25 to 0.50
- Media: Gas; High Purity; Specialty Corrosive
- Controlled Pressure Range: 1.00 to 250.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 64-3400 Series dual-stage, ultra high purity pressure reducing regulator offers a tied diaphragm design and 10 Ra surface finish with available Hastelloy ® trim. Inlet pressure is 3500 PSIG [241 bar] with outlet pressures up to 150 PSIG [10.3 bar]. Ideal for use in gas cabinets,... [See More]
- Regulator: Point Of Use; Duel Stage
- Valve Size: 0.25 to 0.50
- Media: Gas; High Purity; Specialty Corrosive
- Controlled Pressure Range: 1.00 to 150.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 64-3200 Series ultra high purity, high flow tied diaphragm pressure reducing regulator offers 10 Ra surface finish and is available in Hastelloy ® trim. Maximum flow rates are up to 900 SLPM, with inlet pressures of 150, 1000, 1500 PSIG [10.3, 69, 103 bar] and outlet pressures up... [See More]
- Regulator: Point Of Use
- Valve Size: 0.50
- Media: Gas; High Purity; Specialty Corrosive
- Controlled Pressure Range: 0.00 to 200.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 64-5400 Series ultra high purity pressure reducing regulator provides 316 stainless steel with Electropolish, 10 Ra surface finish and Hastelloy ® diaphragm design. The 64-5400 Series offers high flow Cv=1.0 and inlet pressure of 600 PSIG [41.3 bar] with outlet pressures up to 150... [See More]
- Regulator: Point Of Use
- Valve Size: 0.38 to 0.50
- Media: Gas; High Purity; Specialty Corrosive
- Controlled Pressure Range: 3.00 to 150.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ 23 Series ultra high purity inline regulator offers 5 Ra & 10 Ra microinch finishes with high flow capabilities to 950 SLPM. The tied diaphragm 23 Series provides an internally springless & threadless design with inlet pressure of 250 PSIG [17.2 bar] and outlet pressure up to... [See More]
- Regulator: Point Of Use
- Valve Size: 0.50
- Media: Gas; High Purity; Specialty Corrosive
- Controlled Pressure Range: 0.00 to 100.00