AutomationStore.com® offers CKD Pneumatic manifold stacks from our inventory. The 4GB4 series has a Cv of 1.69 for two position valves and 1.45 for three position valves. CKD offers a wide variety of additional options which require an estimated 3 week lead time. Items shown in our selection guide are readily available in our Easley, SC stock. We can build the manifold stack in our location or order the parts and assemble at yours. All protocol manifolds are ordered assembled by the Factory from Japan. Disassembly of factory assembled manifolds voids any warranty offered by the factory. W4G4 Basic Manifold Stack ordering BrochureCKD W4G4 series CatalogCKD W4G4 Technical Data for WiringCKD W4G4 CC Link pdfCKD W4G4 Profinet pdfCKD W4G4 Ethernet pdfCKD W4G4 EtherCat pdfCKD 2D and 3D Downloads CKD Product drawings are available for download on Web2CAD at the following link: CKD Product download siteAccount creation will be required for download.