High Pressure High Flow Regulator

High Pressure High Flow Regulator
Details:
High pressure high flow regulator corresponds to our 2 models:VSR-36, VSR-7S
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Description
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Model

product-1267-1267
VSR-36
product-500-500
VSR-7S
 

VSR-36

 

Introduction

 

• High Pressure High Flow Regulator

• Brass chrome plated body and bonnet for inert, reactive, flammable

and oxidizing oxidizing gas and mixtures up to grade 6.0

• Stainless steel 316L body for pharmaceutical, food and beverage application

• Simple outlet pressure limitation by handwheel

• Self-venting standard

• Stable outlet pressure

• Tested for use with oxygen

 

product-1268-1268

Application

 

• Component Testing

• Calibration System

• Laboratory Pressure Control

• High Pressure Sampling System

• Service & Test Equipment

 

Technical parameters

 

Type single-stage

product-1267-1267

Inlet pressure P1 max. 300 bar
Outlet pressure P2 20/35/50/100/170 bar
Materials
Body regulator see ordering info
Valve seat PCTFE
Filter SS 316L
O-ring Viton® (FKM)
Back-up ring PTFE
Gaskets PCTFE
Inlets and Outlets 1/4", 1/2" NPT(F)
3/4", 1" NPT(F)
Temperature range -30℃ to +74℃
Leak rate Bubble-tight
Flow capacity Cv=2.0(HF)
Weight 2.9kg

 

Product picture

product-1268-1268
product-1267-1267
 

VSR-7S

 

 

Introduction

 

• High Pressure High Flow Regulator

• Brass chrome plated body and bonnet for inert, reactive, flammable

and oxidizing oxidizing gas and mixtures up to grade 6.0

• Stainless steel 316L body for pharmaceutical, food and beverage application

• Simple outlet pressure limitation by handwheel

• Self-venting standard

• Stable outlet pressure

• Tested for use with oxygen

 

product-500-500

Application

 

• Component Testing

• Calibration System

• Laboratory Pressure Control

• High Pressure Sampling System

• Service & Test Equipment

 

Technical parameters

 

Inlet pressure P1 max. 300 bar

product-500-500

Outlet pressure P2 20/35/50/100/170 bar
Materials
Body regulator see ordering info
Valve seat PCTFE
Filter SS 316L
O-ring Viton® (FKM)
Back-up ring PTFE
Gaskets PCTFE
Inlets and Outlets 1/4", 1/2" NPT(F)
3/4", 1" NPT(F)
Temperature range -30℃ to +74℃
Leak rate Bubble-tight
Flow capacity Cv=2.0(HF)
Weight 2.9kg

 

Product picture

product-500-500
product-500-500

 

 

High Pressure High Flow Regulator - Simple Explanation

 

 

1. What is it?

Simply put, it's the "super regulator" designed to handle both "high pressure" and "fast flow" gases. It can withstand ultra-high pressure while allowing a large volume of gas to flow smoothly, all while maintaining stable pressure.

Features:

  • Handles High Pressure: Can withstand an inlet pressure of up to 300 bar (equivalent to the pressure 3,000 meters under the sea).
  • High Flow Rate: CV (flow coefficient) value of 2, meaning it can allow thousands of liters of gas per hour to pass (specific flow rate depends on the model).
  • High Purity Compatibility: Made with special materials (like stainless steel, nickel-plated) to avoid contaminating ultra-pure gases (e.g., argon used in semiconductors, medical oxygen).

Analogy:
Think of it like the "high-pressure nozzle valve" on a fire truck, controlling strong water pressure and ensuring the flow is both steady and powerful.

2. Where is it used?

It's suitable for applications requiring high pressure, large flow, and high purity:

  • Semiconductor Manufacturing: Supplies ultra-pure gases like argon and nitrogen to chip processing equipment.
  • Medical Gases: Ensures stable, high-pressure oxygen delivery in hospital central oxygen systems.
  • Industrial Cutting/Welding: Used for large flow acetylene or hydrogen in metalworking.
  • Energy Industry: Used in hydrogen storage, transportation, and natural gas refueling stations.
3. How to use it?

Core purpose: High-pressure reduction + large flow rate stabilization. Two steps, done!
Key points for use:

  • Match gas source types:
  1. Ultra/pure gases: Choose stainless steel or special coatings to prevent contamination.
  2. Corrosive gases (like chlorine): Install corrosion-resistant diaphragms or specific sealing materials.
  • Installation and connection:
  1. Directly integrate into high-pressure pipelines with G-thread or VCR fittings (leak-proof design).
  2. Ensure the outlet pipeline is large enough to prevent "gas choke" when handling high flows.
  • Adjusting pressure:
  1. Turn the large top knob or handle to adjust pressure, monitoring outlet pressure with the pressure gauge.
  2. Critical point: Open the gas source valve first, then slowly adjust the regulator to prevent high-pressure shock.

Advantages:

  • Saves equipment: One regulator handles both high pressure and large flow, no need for multiple regulators in series.
  • Maintains purity: Clean materials prevent contamination of ultra-pure gases.
  • Durable: Built for high-pressure applications, rugged and reliable.
 

Common Issues

 

 

Problem 1: Gas leakage (especially at the high-pressure end)

Cause: Seal deformation due to high pressure, worn-out thread connections.

Solution: Replace with high-pressure seals (e.g., PTFE), regularly check connections.

Problem 2: Insufficient flow (CV value below standard)

Cause: Small pipe diameter, blocked filters, or inappropriate CV value selection.

Solution: Increase pipe diameter, clean filters, or contact the manufacturer for a higher CV model.

Problem 3: Fluctuating outlet pressure

Cause: Gas source pressure fluctuation, damaged diaphragm.

Solution: Install a pressure stabilizer upstream, replace the diaphragm.

Problem 4: Internal contamination (in high-purity gas applications)

Cause: Incompatible materials (e.g., carbon steel contaminating argon) or dust during installation.

Solution: Choose stainless steel or nickel-plated materials, flush the pipeline with high-purity gas before installation.

The high-pressure high-flow regulator is like the "toll gate on the gas highway"-it reduces high-pressure gas to a manageable speed while maintaining a steady flow without congestion.
When selecting a model, ask the manufacturer:
"I need an inlet pressure of 300 bar, CV value of 2, with ultra-pure argon. What material should I choose? Do you have stock available?"

 

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