Griffco Valve, Inc., has expanded new line of high-pressure chemical injection valves (injection quills). Used as the transitional point for the chemical before it is injected into process piping, Griffco’s model IVQ injection valves feature dual-threaded NPT connections in 1/2” (DN 15), 3/4” (DN 20) and 1” (DN 25) sizes with standard quill lengths of 3” for 1/2” and 3/4” diameters, and 4” on 1” diameter models. Metallic models provide a maximum operating pressure of 3500 psi (241 bar); non-metallic models of 150 psi (10 bar). Valve opening pressure is 10 psi (0.7 bar).
Featuring simplified, robust construction, the new injection valves/quills ensure that chemical feed systems inject into the center of a process stream for better mixing and to prevent corrosion along the process pipe. A check valve helps keep the chemical secure and prevents backflow up the chemical line.
The valve body is available in a choice of three metallic materials of construction (316 Stainless Steel, Alloy 20, and Hastelloy C) and three high-grade plastic materials (PVC, CPVC, and PVDF). The valve ball is available in PTFE, 316 Stainless Steel, or Hastelloy C. The spring is Hastelloy C.