Powertop 658 Series Two‑way Angle Union Valves are available with normally open action and designed to control the flow of steam, water, and ethylene glycol solutions. Powertop Sequence and Changeover Valves are designed with 2 inlets and one outlet for the sequence valve and with one inlet and 2 outlets in the changeover valve. Powertop three‑way valves are used to select and modulate the flow of either hot or chilled water, without mixing, for radiant panel and similar applications. Features: Actuator Can Be Rotated To Facilitate Piping Control from Different DirectionsStainless Steel Stem for Smooth Operation and Rugged DurabilityLarge Diaphragm Area for Control Accuracy and Tight Close‑OffEqual Percentage Plugs and Long Stroke for ControllabilityMatched Sequencing of Control and ChangeoverReplaceable Soft Disc Provides Tight Shut‑OffRemovable Actuator for Ease of Servicing Specifications: Manufacturer: Siemens Building TechnologyManufacturer Part Number: 658-0014Product Type: ValveMaterial: BrassPort Configuration: 2-Way Normally OpenThread Size: 1 1/4" Angle UnionFlow Rate: 16 CvSpring Range: 2 to 6 PSIFlow Characteristic: Modified Equal PercentageDimensions: 8.3" x 10.05" x 9.05"Weight: 6.14 lb. Â