Product_description: ['For applications where a slight rise in delivery pressure from full to empty cylinder can be tolerated1-11/16 Inch 316L stainless steel diaphragm eliminates contamination from diffusion or out gassingOne-piece encapsulated seat design includes a sintered filter to protect the seat from particulate contamination1 x 10-9 cc/sec inboard helium leak rate maintains gas purity levels1.8 psig/100 psig pressure regulationRecommended for corrosive gases or purity levels of grade 6.0 (99.9999) and higher30 Inch Hg VAC to 200 psi/14 bar outlet gauge. Brand Name

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