GasShield® Nickel and Stainless Steel GasketFilters

Fits inside 1/4" Face Seal Fittings

Porous Metal media are nickel or 316LSS for complete compatibility with most inert and specialty gases.
Allows integration of gas filter without adding length to gas system.
Parts-per-trillion moisture levels achievable.
Retains particles down to 0.003 µm.
Minimized total surface area.
All-metal, all-welded design.
No particulate shedding.

Nickel Specifications
Catalog Number	GSG-V4-1-N	GSG-V4-3-N	GSG-V4-1-2
Rated Flow	1 SLPM	3 SLPM	20 SLPM
Retention (at rated flow)	Greater than 99.9999999 (9 log) removal of all particles down to 0.003; µm confirmed at the most penetrating particle size of 0.08 µm.		0.4 µm nominal
Material	Nickel	Nickel	Nickel
Face Seal Gasket Size	1/4 inch	1/4 inch	1/4 inch
Element Length (nominal)	1 inch	3 inch	1 inch
Maximum Differential Pressure (20°C)	1000 psid Forward or Reverse	1000 psid Forward or Reverse	1000 psid Forward or Reverse
Maximum Recommended Operating Temperature	450°C (Inert Gas)	450°C (Inert Gas)	450°C (Inert Gas)
Changeout Interval	System Dependent	System Dependent	System Dependent

Stainless Steel Specifications
Catalog Number	GSG-V4-1-S	GSG-V4-3-S	GSG-V4-1-2S
Rated Flow	1 SLPM	3 SLPM	20 SLPM
Retention (at rated flow)	Greater than 99.9999999 (9 log) removal of all particles down to 0.003; µm confirmed at the most penetrating particle size of 0.08 µm.		0.4 µm nominal
Material	316LSS	316LSS	316LSS
Face Seal Gasket Size	1/4 inch	1/4 inch	1/4 inch
Element Length (nominal)	1 inch	3 inch	1 inch
Maximum Differential Pressure (20°C)	1000 psid Forward or Reverse	1000 psid Forward or Reverse	1000 psid Forward or Reverse
Maximum Recommended Operating Temperature	450°C (Inert Gas)	450°C (Inert Gas)	450°C (Inert Gas)
Changeout Interval	System Dependent	System Dependent	System Dependent