Cornerstone Valve has earned a valuable reputation for fast, on time deliveries: it is extremely important for Cornerstone team to meet Customer expectation for on time deliveries. Our mission is to support our Customers and their Commitments with the best solution in the shortest possible time.
With a large availability of exotic materials from reliable suppliers in U.S.A. and G12 countries, we can manufacture a broad selection of valves in almost any material. We strive to provide our customers with whatever material they require.
Case Study: During a maintenance turn around, a power plant in Philadelphia discovers that its blow-down valve is destroyed. The customer notifies Cornerstone Valve and asks for a replacement rising stem blow-down valve.
BV1/HPC1: Cornerstone's Choke/Blow Down Valve
Cornerstone's proprietary S.A.M.S. process is implemented to evaluate a wide set of mathematical parameters
Service Temperature 1,023° F (550C)
Service Pressure 1,026 PSIG (70 Bar)
Body/Bonnet Material - ASTM A182 F22
Stem Material - ASTM B637 Inconel 718
Seat ring Material - ASTM B637 Inconel 718 with high temp Nickel-based Delloro 40 overlay
Plug Material - ASTM A479 431SS with high temp Nickel based Delloro 40 overlay and Ion Nitrided
Cage Material - ASTM A479 431SS Ion Nitrided Ultra high-temp seals A194 grade 16 high temp bolting
21 Days Later: Rising Stem Blow-Down Valve completed and shipped to customer.