Model
|
VSR-910UB |
VSR-210UB |
VSR-610UB |
|
VSR-510UB |
VSR-100UB |
VSR-100UB
Introduction
• Single-stage high purity gas regulatorr
• 10μin. Ra surface finish (25μin. Ra optional)
• Minimized internal volume for short purge times
• All materials used meet ASTM A479 / A484 / A276 standards
• Internal connectors for pressure gauges
• Flow capacity: to 30 slpm (standard), to 120 slpm (optional)
• High control accuracy
• Metal-to-metal seal to atmosphere
• Simple outlet pressure limitation by hand-wheel
• 100% helium-leak-tested
Technical parameters
| Type | single-stage |
|
| Inlet pressure P1 | max. 3500 psig | |
| Outlet pressure P2 | 10/30/60/100/150 psig | |
| Prosf pressure | 5000 psig | |
| Burst pressure | 10000 psig | |
| Surface finish | 10μin. Ra (25μin. Ra optional) | |
| Valve seat | PCTFE (Vespel® optional) | |
| Diaphragm | Hastelloy® C276 | |
| Inlets and Outlets | 1/4" / 3/8" VCR fitting and tube weld | |
| Bonnet port | 1/8" NPT (on panel mount option, bonnet port is not threaded) | |
| Temperature range | -40o F to +160o F (-40o C to +71o C) | |
| Leak rate: (to atmosphere) | 1x10^-9 mbar I/s He | |
| (via seat) | 1x10^-8 mbar I/s He | |
| Flow capacity | Cv=0.09 (Cv=0.15 optional) | |
| Supply pressure effect | 0.35 psig rise in delivery pressure per | |
| 100 psig source pressure drop @Cv=0.09 | ||
| 0.5psig rise in delivery pressure per | ||
| 100 psig source pressure drop @Cv=0.15 | ||
| Weight | approx. 1.35kg |
Product picture



VSR-210UB
Introduction
• Single-stage pressure regulator
• 10μin. Ra surface finish (25μin. Ra optional)
• Minimized internal volume for short purge times
• All materials used meet ASTM A479 / A484 / A276 standards
• Internal connectors for pressure gauges
• Force compensation has wider flow capacity
• High control accuracy
• Metal-to-metal seal to atmosphere
• Simple outlet pressure limitation by hand-wheel
• 100% helium-leak-tested
• Tied-diaphragm design
Technical parameters
| Type | single-stage |
|
| Inlet pressure P1 | max. 3000 psig | |
| Outlet pressure P2 | 30/60/100/150/250 psig | |
| Prosf pressure | 2550 psig | |
| Burst pressure | 8000 psig | |
| Surface finish | 10μin. Ra (25μin. Ra optional) | |
| Valve seat | PCTFE (Vespel® optional) | |
| Diaphragm | Hastelloy® C276 | |
| Inlets and Outlets | 1/4" / 3/8" or 1/2" VCR fitting or tube weld | |
| Bonnet port | 1/8" NPT (on panel mount option, bonnet port is not threaded) | |
| Temperature range | -40o F to +160o F (-40o C to +71o C) | |
| Leak rate: (to atmosphere) | 1x10^-9 mbar I/s He | |
| (via seat) | 1x10^-8 mbar I/s He | |
| Flow capacity | Cv=0.65, Cv=1.1 (HF option) | |
| Supply pressure effect | 3.5 psig rise in delivery pressure per | |
| 100 psig source pressure drop | ||
| 4.2 psig rise in delivery pressure per | ||
| 100 psig source pressure drop (FC option) | ||
| Weight | approx.2.0kg |
Product picture



VSR-510UB
Introduction
• Single-stage high purity gas regulator
• 10μin. Ra surface finish (25μin. Ra optional)
• Minimized internal volume for short purge times
• All materials used meet ASTM A479 / A484 / A276 standards
• Internal connectors for pressure gauges
• Flow capacity: to 30 slpm (standard), to 120 slpm (optional)
• High control accuracy
• Metal-to-metal seal to atmosphere
• Simple outlet pressure limitation by hand-wheel
• 100% helium-leak-tested
• Tied-diaphragm design
Technical parameters
| Type | single-stage |
|
| Inlet pressure P1: | max. 3500 psig | |
| Outlet pressure P2: | 10/30/60/100/150 psig | |
| Surface finish: | 10μin. Ra (25μin. Ra optional) | |
| Valve seat: | PCTFE (Vespel® optional) | |
| Diaphragm: | Hastelloy® C276 | |
| Inlets and Outlets: | 1/4" / 3/8" VCR fitting or tube weld | |
| Bonnet port: | 1/8" NPT (on panel mount option, bonnet port is not threaded) | |
| Temperature range: | -40o F to +160o F (-40o C to +71o C) | |
| Leak rate: | (to atmosphere) :1x10^-9 mbar I/s He | |
| (via seat) : | 1x10^-8 mbar I/s He | |
| Flow capacity: | Cv=0.09 (Cv=0.15 optional) | |
| Supply pressure effect: | 0.35 psig rise in delivery pressure per | |
| 100 psig source pressure drop @Cv=0.09 | ||
| 0.5psig rise in delivery pressure per | ||
| 100 psig source pressure drop @Cv=0.15 |
Product picture



VSR-610UB
Introduction
• Single-stage pressure regulator
• 10μin. Ra surface finish (25μin. Ra optional)
• Minimized internal volume for short purge times
• All materials used meet ASTM A479 / A484 / A276 standards
• Internal connectors for pressure gauges
• High control accuracy
• Metal-to-metal seal to atmosphere
• Simple outlet pressure limitation by hand-wheel
• 100% helium-leak-tested
Technical parameters
| Type | single-stage |
|
| Inlet pressure P1 | max. 3500 psig | |
| Outlet pressure P2 | 10/30/60/100 psig | |
| Surface finish | 10μin. Ra (25μin. Ra optional) | |
| Valve seat | PCTFE (Vespel® optional) | |
| Diaphragm | Hastelloy® C276 | |
| Inlets and Outlets | 1/4" / 3/8" 1/2 VCR fitting or tube weld | |
| Bonnet port | 1/8" NPT (on panel mount option, bonnet port is not threaded) | |
| Temperature range | -40o F to +160o F (-40o C to +71o C) | |
| Leak rate: (to atmosphere) | 1x10^-9 mbar I/s He | |
| (via seat) | 1x10^-8 mbar I/s He | |
| Flow capacity | Cv=0.13 | |
| Supply pressure effect | 0.25 psig rise in delivery pressure per | |
| 100 psig source pressure drop |
Product picture



VSR-910UB
Introduction
• Single-stage pressure regulator
• 15μin. Ra max. 10μin Ra max optional
• design for bulk special gas supply system
• Tied-diaphragm design with bellows sensing element
• All materials used meet ASTM A479 / A484 / A276 standards
• Metal-to-metal seal to atmosphere
• 100% helium-leak-tested
Technical parameters
| Type | single-stage |
|
| Inlet pressure P1 | max. 3500 psig | |
| Outlet pressure P2 | 30/60/100/150 psig | |
| Surface finish | 10μin. Ra (25μin. Ra optional) | |
| Valve seat | PCTFE (Vespel® optional) | |
| Diaphragm | Hastelloy® C276 | |
| Inlets and Outlets | 1/2" / 3/4" or 1" VCR fitting or tube weld | |
| Bonnet port | 1/8" NPT (on panel mount option, bonnet port is not threaded) | |
| Temperature range | -40o F to +160o F (-40o C to +71o C) | |
| Leak rate: (to atmosphere) | 1x10^-9 mbar I/s He | |
| (via seat) | 1x10^-8 mbar I/s He | |
| Flow capacity | Cv=3.0 / Cv=4.0 |
Product picture



High Purity Gas Regulator User Guide (In Simple Terms)
In short, it's the "high purity gas bodyguard" that keeps your high-purity gases at the right pressure without letting any of the precious stuff escape. Whether you're in labs, medical facilities, or chemical production plants, these regulators make sure you get just the right flow and pressure, keeping things safe and efficient. After all, with high-purity gases being crucial in many fields, maintaining precision and safety is key!
① Materials that stand the test
High-purity gases are picky, and ordinary regulators just can't handle them. They might leak or contaminate the gas. That's why we use materials that can handle the task: high-grade stainless steel or specialized alloys, and seals made from PTFE (Teflon) or similar advanced materials. Think of it as the regulator wearing an invisibility cloak-no leaks, no contamination!
② Pressure range that fits your needs
Our regulators work across a wide range of pressures, from ultra-high pressures (5,000 psi and beyond) to very low pressures (down to 1 psi or lower). It's like having a turbocharged car engine that can shift gears smoothly, adapting to every situation from high-speed highways to slow, precise operations.
③ Safety essentials onboard
Pressure gauge: Always monitoring the pressure so you're in the know.
Relief valve: Releases pressure automatically if it goes beyond the safe limit, keeping everything in check.
Check valve: Stops any backflow, ensuring gases don't cause unwanted surprises.
④ Flow control that's spot-on
In applications requiring high purity, the flow must be precise, just like an artist's brushstroke. Too much gas is wasted, too little can throw off an experiment or production process. Our regulators keep the flow accuracy to within ±1%, making sure everything goes exactly as planned.
Common Questions - Quick Q&A
Nope! Using a regular regulator is like trying to use a sieve to hold water. Regular regulators can contaminate the gas, cause leaks, or even damage the equipment. A factory once used the wrong regulator for high-purity gas and suffered a major leak, costing them a fortune-don't make the same mistake!
Look for these three signs:
- The pressure gauge is acting jittery, like it's having a caffeine overdose.
- Frost is building up around the connections (time for a check).
- A strange rotten egg smell (we add a warning agent in case of leaks). If you see these, give us a call!
It's not rocket science, just follow the "Three Do's and Three Don'ts":
Do check for leaks regularly (use our handy test strips).
Do clean the connections and keep them dust-free.
Do record any pressure fluctuations.
Don't twist the valve like you're opening a jar of pickles.
Don't attempt to take apart the parts yourself (leave that to the pros).
Don't leave it out in the sun to "sunbathe."
Focus on these three key numbers:
- Inlet pressure (check the cylinder label for this).
- Working pressure (ask your equipment provider).
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