Mid Series PFA Stainless Steel Gas Filter

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Product Description

The stainless steel Mid series is designed for ultra-high purity gases, with a double-layer PTFE membrane and a filtration accuracy of 0.003μm. Internally equipped with perfluorinated filter elements, it has excellent chemical compatibility and can be used for filtering gases in various semiconductor processes.

Features

  • 316L electrolytic polishing shell, perfluorinated inner core, high cleanliness, low precipitation

  • 100% integrity and helium leak detection

Specification Parameters

Material

 Membrane

Hydrophobic PTFE

 Core

PFA

O-ring

FFKM

Housing

eletrolytic polishing 316L/316L VAR

Internal Surface
  Treatment

 Roughness

≤0.13μm

 Surface Chemistry

316:Cr Fe>1

316VAR:Cr Fe>1.5

Removal Rating

 ≥0.003μm

Particle
Retention efficiency

 >99.9999999(9LRV)@MPPS

Recommended
work flow

0-120slpm

Adaptor Type

1/4,1/2 VCR;1/4,3/8 SWG

Helium
leak testing

 Design Verification

2×10-¹¹atm.cm³/sec

 Process Verification

1×10-9atm.cm³/sec

Operating
Conditions

 Max.Operating Pressure

20.7MPa@121℃

Max.Forward
Operating Differancial Pressure

0.4MPa@23℃

Max.Reverse
Operating Differancial Pressure

0.07MPa@23℃

Max.Operating Temperature

120℃

 Downstream
Cleanliness

 Particles

<0.03ea/L(Particles>0.01μm)

 Volatiles

<10ppb

 

Structure Diagram