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Sub-atmospheric pressure regulator for HP & UHP gases - RX4100
RX4100 is a sub-atmospheric pressure regulator for HP & UHP applications. The absolute pressure regulator for the highest level of purity.
Key advantages
  • Unique threadless design in all versions for a higher purity level
  • Spring less design
  • Optimized supply pressure effect and excellent flow stability
  • Life duration according to CGA E4
  • Vacuum to 21 bar (300 psig) inlet
  • Assembling, testing & packaging in cleanroom: Class ISO 4
  • Individual serial number for full traceability
  • Electropolished surface per SEMI F19 UHP Grade
  • 316L VAR® stainless steel double melt per SEMI F20 option available

CONSTRUCTION MATERIAL

  Parts Material
Wetted parts Body SS 316L, VAR
Seat PCTFE (PVDF, Polyimid optional)
Diaphragm SS 316L (Hastelloy® optional)
Poppet SS 316L (Hastelloy® optional)
Spring SS 316L (Hastelloy® optional)
Spring Holder SS 316L
Non-wetted parts Bonnet SS 303
Handwheel PA 6.6
Others Stainless Steel and Brass

SURFACE FINISH

S V U
Ra 0.4 μm (15 μin) Ra 0.25 μm EP (10 μin) Ra 0.13 μm EP (5 μin)  

 

Flow capacity (Cv) 0.5
Supply pressure effect I* 1.4
*1 bar / 100 bar inlet pressure change
 
 
 

FLOW CURVES 

RX4100

 

Product image

Specifications
Max. inlet pressure21 bar (305 psig)
Outlet Pressure0.7 / 2 bar (10 / 29 psig)
Poppet typeTied diaphragm
Temperature range-20°C to +65°C (-4°F to +149°F)
Burst pressure300% of operating pressure
Proof pressure150% of operating pressure
Certified max. helium outboard leak rate≤ 1 x 10-9 mbar.l/s
Certified max. helium across the seat leak rate (at max. pressure)≤ 1 x 10-8 mbar.l/s
Certified max. helium inboard leak rate (at max. pressure)≤ 1 x 10-9 mbar.l/s
Dimensional drawings
Drawing
Product Configurator
Column 2
Regulator type
Outlet Pressure
Seat material
Cv value
Body material
Surface finish
Porting configuration
Connections
Actuator
Inlet pressure
Options
RX
41
01
K
050
S
S
2W1
4F
M
021
H
 
Vacuum (Tied diaphragm)
41
0.7 bar (10 psig)
01
2 bar (29 psig)
02
PCTFE
K
Polyimid
PI
PVDF
P
PTFE
T
0.5
050
Stainless Steel AISI 316L
S
Stainless Steel AISI 316 AOD Var
V
Ra 0.4 μm (15 μin)
S
Ra 0.25 μm EP (10 μin)
V
Ra 0.13 μm EP (5 μin)
U
2 ports
2W1
3 ports
3W4
4 ports
4W6
1/4” Female VCR
4F
1/4” Male VCR
4M
1/2” Female VCR
8F
1/2” Male VCR
8M
Handwheel
M
21 bar (305 psig)
021
Hastelloy Trim*
H
Gauge (bar/PSI)**
PG0
Gauge (MPa)**
PG1
* Includes Hastelloy C22 Poppet, wetted spring & diaphragm
** Standard gauge ports are Metal Face Seal ¼\" Male
Downloadable catalogs, brochures
  • Download
    RX3000 UHP Pressure Regulator
    Last update: Mar 26, 2024
    Available in: en/CN/JA
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    RX3100 UHP Pressure Regulator
    Last update: Mar 26, 2024
    Available in: en/CN
  • Download
    RX3600 UHP Pressure Regulator
    Last update: Mar 26, 2024
    Available in: en/CN
  • Download
    RX3700 UHP Pressure Regulator
    Last update: Mar 26, 2024
    Available in: en/CN
  • Download
    RX3900 UHP Pressure Regulator
    Last update: Mar 26, 2024
    Available in: en/CN
  • Download
    RX4000 UHP Pressure Regulator
    Last update: Mar 26, 2024
    Available in: en/CN/JA
  • Download
    RX4100 UHP Pressure Regulator
    Last update: Mar 26, 2024
    Available in: en/CN
  • Download
    Complete UHP Solution
    Last update: Mar 13, 2024
    Available in: en/JA/CN
  • Download
    RX1000 Compact UHP Pressure Regulator
    Last update: Mar 26, 2024
    Available in: en/CN/JA
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