VWR Heavy-Duty Single-Stage Gas Regulators. Combining top-notch and uncompromising quality with an affordable price the VWR Heavy-Duty Single-Stage Gas Regulators 3001102/ 55850-205 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: Regulators have a brass body and are suitable for a wide variety of applications where small changes in the gas delivery pressure will not degrade performance. Gauges are easy to read. Large diaphragm ensures constant delivery pressure. Regulators with neoprene diaphragms have a valve which closes with pressure for safety. Regulators with stainless steel diaphragms are not supplied with a valve. Neoprene seat. Particulates are eliminated from gas stream with sintered metal inlet filter. UL listed. Note: For noncorrosive gases only. Use high-pressure hoses on regulators 55850-270 -275 and -277. Specifications for VWR Heavy-Duty Single-Stage Gas Regulators 3001102 : Gas: Helium InletCGA: 580 Flow CapacityStandard CFH: 5640 Delivery Rangepsi: 0 50 Delivery PressureGauge psig: 60 Supply PressureGauge psig: 4000 Diaphragm: Neoprene 7 cm (23/4") Gauge: 5.1 cm (2") Valve Outlet: 0.6 cm (1/4") NPT Body Outlet: 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 Heavy-Duty Single-Stage Gas Regulators 3001102/ 55850-205 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 Heavy-Duty Single-Stage Gas Regulators 3001102