VWR High-Purity Two-Stage Gas Regulators Brass. Combining top-notch and uncompromising quality with an affordable price the VWR High-Purity Two-Stage Gas Regulators Brass 3300761/ 55850-638 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: Regulators have a brass barstock body and are suitable for high-purity applications research sample systems process analyzers gas chromatography EPA protocol mixes laser gas systems and emission monitoring systems. The two-stage design provides constant outlet pressure regardless of change in cylinder pressure. A stainless steel diaphragm eliminates contamination from diffusion or outgassing. A one-piece PTFE encapsulated seat design includes a sintered filter to protect the seat from particulate contamination. The 1x10-9cc/sec. inboard helium leak rate maintains gas purity levels. Front panel mountable. Other delivery pressures and outlet connections are available; contact our sales representative for information. Specifications for VWR High-Purity Two-Stage Gas Regulators Brass 3300761 : Gas: Nitrous Oxide Inlet CGA: 326 Flow Capacity Standard CFH: 970 Delivery Pressure psig: 1 50 Maximum Inlet Pressure: 3000 psig Diaphragm: Type 316L Stainless Steel 4.3 cm (111/16") Dual Scale Gauges: 5 cm (2") psi/bar Outlet: Diaphragm Valve with 0.6 cm (1/4") Tube Fitting Body Ports: 0.6 cm (1/4") NPT (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Harris Calorific products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Labware & Accessories with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for VWR Labware & Accessories. We are an authorized supplier to all federal and state government agencies as well as to research and educational institutions and can facilitate volume orders on many types of laboratory equipment lab consumables and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses. In addition to the VWR High-Purity Two-Stage Gas Regulators Brass 3300761/ 55850-638 we carry a full complement of Labware & Accessories as well as other product offerings from Harris Calorific. We also carry a full line of VWR accessories to help meet your laboratory and scientific needs. For a complete selection of VWR Labware & Accessories please visit our Harris Calorific page. For more brand name Labware & Accessories please visit our Labware & Accessories store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. VWR High-Purity Two-Stage Gas Regulators Brass 3300761