Designed for use with differential pressure transmitters incorporating two isolation valves and an equalizing valve in differential pressure measurementAvailable in block, single flange, or double flange connection for remote or direct installation100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilitySoft seat design has 6,000 psi pressure rating @ 200 °FFeatures a replaceable Delrin® seat, and straight through porting for bidirectional, high capacity flow and easy roddable cleaningBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and gallingAll stems are 316 Stainless SteelAll stem threads are rolled for strength and ease of operationOne-piece bonnet with a metal-to-metal seal to the valve body below the bonnet threadsSlotted spring pin to prevent accidental looseningVinyl dust caps for bonnets and stemsNon-rotating stem tip standard on isolation valves