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316L Stainless Steel High Purity Pressure Regulator WR1000 EP Surface For Corrosive Toxic Specialty Gas Delivery

Are you facing challenges such as unstable pressure regulation for high-pressure gases, contamination and leakage of high-purity gases, valve damage caused by corrosive or toxic gases, valve malfunction under high- or low-temperature conditions, poor sealing in clean piping installations, limited space for equipment installation, safety risks from gas leaks and high valve wear and tear, and high operation and maintenance costs?

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We can address the following issues:

1. Unstable high-pressure regulation

Supports inlet pressures up to 3,500 psig, with multi-stage precise pressure regulation to ensure a stable gas flow, preventing damage to downstream equipment due to overpressure and deviations in process data.

2. High-purity gas contamination / leakage

Curved, dead-space-free flow paths combined with electrolytic polishing for low surface roughness ensure an extremely low helium leak rate, eliminating particulate contamination, gas leakage, and air ingress—ideal for high-purity semiconductor applications.

3. Corrosion / Damage from Toxic Gases

316L valve body + Hastelloy diaphragm + PCTFE valve seat provide resistance to highly corrosive specialty gases, reducing the cost of frequent valve replacements.

4. Failure in High- and Low-Temperature Environments

Operates over a wide temperature range of -40°C to 74°C; does not seize at low temperatures and maintains seal integrity at high temperatures.

5. Difficult Installation in Clean Piping Systems

Standard 1/4 VCR welded connections enable seamless integration with high-purity piping systems, with a leakage risk far lower than that of ordinary ferrule fittings.

6. Limited Equipment Installation Space

Single-stage compact design with a small footprint, suitable for tight installation spaces in instruments and equipment.

7. High Safety and O&M Costs

Prevents leaks of toxic and flammable gases to avoid safety incidents; corrosion resistance and long service life reduce downtime for maintenance and spare part consumption.

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WR1000 Single-Stage Hastelloy Diaphragm High-Purity Pressure-Reducing Valve, 316L stainless steel valve body, electrolytically polished flow path (Ra 0.25 μm), EP ultra-high-purity cleaning; extremely low helium leakage, suitable for semiconductor and laboratory applications involving corrosive and toxic specialty gas piping, supports various VCR connections and panel mounting.

The WR1000 Series single-stage diaphragm-type high-purity pressure-reducing valve is designed for ultra-high-purity gas delivery applications. It features a Hastelloy diaphragm and a curved, dead-zone-free flow path design, making it easy to purge and ensuring extremely low particle shedding; The valve body is available in either 316L stainless steel or Hastelloy C276, making it fully compatible with high-purity inert gases, corrosive gases, and toxic specialty gases. It is widely used in gas distribution systems for the semiconductor, photovoltaic, new energy, and scientific research laboratory industries.

Advantages of EP Grade Pressure Regulator:

1. excellent sealing: VCR fittings provide highly reliable sealing to prevent gas or liquid leakage, which is critical in applications where sealing is critical.

2. high cleanliness: its design helps to reduce the accumulation of impurities and contaminants, to ensure the purity of the media flowing through the regulator, suitable for the strict requirements of the media purity of the industry, such as semiconductor manufacturing, pharmaceuticals and so on

3. easy installation and removal: the structure of the VCR fitting makes the installation and removal process relatively simple and fast, saving operating time and labor costs

4. strong stability: can be used in the long-term to maintain a stable connection performance, reduce the connection problems caused by unstable pressure regulation

5. Good corrosion resistance: usually made of corrosion-resistant materials, able to maintain good performance in harsh chemical environments

6. standardization and compatibility: in line with specific industry standards, and other related equipment and components have good compatibility, easy system integration and expansion.

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Specification
item value
Warranty 1 Year
Customized support OEM, ODM
Place of Origin China Guangdong
Brand Name AFKLOK
Model Number R11-VCR
Type Pressure Regulators
Material SS316
Size 1/4'' 1/2'' OD VCR
Product name Ultrahigh Purity VCR Pressure Regulators
Suitable gas Oxyen/Acetlene/Propane/Nitrogen/Co2
Application Laboratory
Inlet connection 1/4'' 1/2'' OD VCR
Outlet Connection 1/4'' 1/2'' OD VCR
Inlet Pressure 600psig, 3500psig
Outlet pressure 0~30, 0~60, 0~100, 0~150, 0~250, 0~500

Maximum Inlet Pressure: 600 PSIG / 3500 PSIG (optional)

Outlet Pressure Regulation Range: 0–30 / 0–60 / 0–100 / 0–150 / 0–250 PSIG

Valve Body Material: 316L Stainless Steel (6L) / Hastelloy C-276 (HC)

Seat: PCTFE | Diaphragm: Hastelloy

Operating Temperature: -40°C to +74°C

Flow Coefficient Cv: 0.20 (600 PSIG inlet); 0.09 (3500 PSIG inlet)

Cleaning Standard: EP Ultra-High-Purity Cleaning

Standard Ports: 1/4" VCR, various fittings available

Technical Data
Max Inlet Pressure
600psig, 3500psig
Outlet Pressure Range
0~30, 0~60, 0~100, 0~150, 0~250, 0~500
Component Material
Seat:PCTFE
Diaphragm:Hastelloy
Filter mesh:316L
Working Temperature
-40℃~+74℃(-40℉~+165℉)
Leak Rate (Helium)
Internal: ≤1×10-7 mbar l/s
External:≤1×10-9 mbar l/s
Flow Coefficient(Cv)
3500psig Inltet:Cv=0.09
600psig Inltet:Cv=0.20
Body Thread
Inlet port:1/4NPT (EP 1 / 4 VCR optional)
Outlet port:1/4NPT (EP 1 / 4 VCR optional)
Pressure gauge port:1/4NPT (EP 1 / 4 VCR optional)
R11 Ordering Number Description
6L 35 100 D 00 M M 00 Z O2
Body Material Inlet Pressure P1 Outlet Pressure Range P2 Porting Connection 1/2/3/4 Optional Feature Product Grade
6L:316L SS 35:3500 psig 30:0~30 psig A:2 ports 00:1/4" Female NPT
None
Standard(BA)
HC:Hastelloy C-276 06:600 psig 60:0~60 psig B:3 ports 01:1/4"  Male NPT Z:With a panel nut O2:Oxygen cleaning
100:0~100 psig D:4 ports 10:1/4" OD
150:0~150 psig
Other ports are
available upon
request
11:3/8" OD
250:0~250 psig 20:1/4" OD diaphragm valve
500:0~500 psig 21:3/8" OD diaphragm valve
FR4:1/4 "female VCR
RMR4:1/4 "male VCR
M:With gauge (psi/MPa)
C:CGA NO(USA)
DIN:DIN NO(DEU)
Refer to the manual for cylinder
connections. Other connections
are available upon request

Installation Precautions:

1. Clean environment: Installation should be done in a clean environment to avoid contamination of the fitting and the inside of the regulator by dust, impurities, etc

2. Inspection of components: Before installation, carefully inspect each component of the pressure regulator and VCR fitting to ensure that there is no damage, deformation or defect

3. correct selection: according to the actual working pressure, media characteristics and flow requirements, select the appropriate specifications and models of the pressure regulator and VCR fittings.

4. installation direction: follow the product specification to ensure the correct installation direction

4. Installation direction: Follow the installation direction specified in the product manual to ensure that the regulator works properly

5. sealing gasket: make sure to use the appropriate sealing gasket, and check its integrity and quality

6. Tightening strength: When connecting VCR fittings, use appropriate torque tools and tighten the nuts according to the specified torque values to avoid over-tightening or over-loosening which may cause leakage or damage

7. Anti-loosening measures: Take necessary anti-loosening measures, such as using anti-loosening washers or applying anti-loosening glue

8. Pipe cleaning: The inside of the connected pipes should be cleaned to prevent foreign matter from entering the regulator

9. Pre-charging media: For some special media, it may be necessary to pre-charge the regulator before installation.

10. Post-installation inspection: After installation, perform a sealing test to check for leaks and to verify that the pressure regulation is functioning properly

FAQ
1. What is the difference between VCR fitting pressure regulators and regulators with other types of fittings?
Pressure regulators with VCR fittings offer higher sealing performance, better cleanliness, and more precise connections to minimize leakage and contamination with impurities for applications where sealing and purity are critical, such as semiconductor manufacturing, pharmaceuticals, and other fields. Regulators with other types of fittings may perform slightly less well in these areas./dd>
2. How can I tell if a pressure regulator with a VCR fitting is working properly?
You can determine this by first observing whether the pressure indicator readings are stabilizing at the set point; second, checking the connections for signs of leakage; and also by monitoring the flow and pressure changes in the system to determine the regulator's operating status.
3. Do VCR fittings require regular maintenance?
Yes, it is recommended to periodically check the tightness of the VCR fitting, the condition of the sealing gasket, and clean the fitting surface to ensure good sealing and connection performance.
4. If the pressure regulator fails, how do I troubleshoot it?
First check the connections for leaks, then see if the regulator's adjusting mechanism is flexible and if the sensor is working properly. If the problem remains unresolved, in-depth troubleshooting by a professional using specialized testing equipment may be required.
5. What are the limitations on the media that pressure regulators with VCR fittings can be used with?
Generally applicable to a variety of gases and liquids, but for strongly corrosive, high viscosity or more particulate impurities in the media, may require a special type or additional protective treatment.
6. How can I avoid damaging the VCR fittings during installation?
Use the correct installation tools, follow the specified installation steps and torque, and avoid using excessive force or improper installation methods.
7. Can I adjust the adjustment range of the pressure regulator myself?
Yes, in most cases, but follow the instructions in the product manual to make adjustments within the allowable range, and conduct tests after adjustment to ensure that the performance meets the requirements.
8. What is the life expectancy of the pressure regulator on the VCR fitting?
Service life depends on a variety of factors, such as operating environment, media characteristics, and maintenance. Generally, it can last several years with normal use and maintenance.
9. What should I pay attention to if I need to replace a VCR fitting?
Select a product with the same specifications as the original fitting and reliable quality, and make sure the installation process is correct, and perform a sealing test after replacement.

 

Wofly

 

Introducing the AFKLOK High Pressure 3500 psi 316 stainless steel Single Stage Pressure Regulators Ultrahigh Purity 1/4'' 1/2'' OD VCR Regulator brought to you by Wofly. Designed to provide accurate and reliable pressure control in high-pressure applications

 

Constructed from 316 stainless steel. Built to withstand even the harshest environments. Wofly it is also ultrahigh purity meaning it is free from contaminants and particulates that can compromise the integrity of your system. With a maximum pressure of 3500 psi this regulator is capable of providing precise pressure control in even the most demanding applications

 

Easy to use. It features a simple single-stage design that allows for quick and easy adjustments to your system's pressure. The 1/4'' and 1/2'' OD VCR connections make installation a breeze while the compact size ensures that the regulator can be easily integrated into your existing system

 

The ideal choice for any high-pressure application. Whether you're working in the oil and gas industry pharmaceuticals or any other application that requires accurate pressure control this regulator is sure to exceed your expectations

 

Experience the difference for yourself today. Get this now

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