NVacuo Glass Vacuum Manifold with 4 Ports, #15 and # 25 O-ring Joints, Includes (4) 0-4 mm High Vacuum Valves with O-Ring on Tip. These NVacuo manifold systems provide the best solution for gas distillation and dynamic setup environments. Easily configurable with all other NVacuo products, this manifold has 8 Inch spacing between each of its four bottom #15 O-ring joint flanges. Each is also equipped with 0-4 mm High Vacuum Valves with O-ring on tip making it easy and simple to attach U-tubes for holding samples with the standard NVacuo Tees and Elbows built with the easy to use Universal O-ring joint flange design. This design means no hassling with glass end tubes and compression fitting adapters for every glass connection. The manifold is also designed with two top #15 O-ring joint flanges for mounting pressure gauges, as well as two main #25 O-ring joint flanges at each end of the manifold for pumping down the system and releasing gas samples for percent concentration measurements. The #15 joint flange requires #116 O-ring and No. 28 pinch clamp. The #25 joint flange requires #214 or #217 O-ring and No. 35 pinch clamp. Replacement O-rings and pinch clamps are sold separately on this website, please call 505-872-0037 for more information.

#15 Viton O-ring for 15 mm ID Glass Vessels O-ring Joint #116 O-Ring. These Viton O-rings are used in our Ideal Vacuum Glass Vessel Manifolds, U-Tubes and Glass Elbows, with 15mm ID, also requires No. 28 pinch clamp for vacuum seal. They are made of Viton® which is well known for its excellent resistance to heat (400°F/200°C) and to aggressive fuels and chemicals. Viton is a registered trademark of DuPont Performance Elastomers. O-Ring, Viton for Ideal Vacuum Glass Manifold, U-Tube, Glass Elbow. Dimensions (inch): 0.75 x 0.938 x 0.094

#25 Viton O-ring for 25 mm ID Glass Vessels O-ring Joint #217 O-Ring These Viton O-rings are used in our Ideal Vacuum Glass Vessel Manifolds with 25 mm ID, also requires No. 35 pinch clamp for vacuum seal. See RED Circled Graphic Above For Location. They are made of Viton which is well known for its excellent resistance to heat (400°F/200°C) and to aggressive fuels and chemicals. Viton is a registered trademark of DuPont Performance Elastomers. O-Ring, Viton for Ideal Vacuum Glass Manifold.Dimensions(inch): 217 1.171 x .139