The 2" 567 Georg Fischer butterfly valve is perfect for aquatic applications. made to be a quick, easy, and inexpensive modular valve - this part is top-notch all the way through. Viton , reduction gear with handwheel, 150psi. Call Commercial Industrial Supply today for mor information or a quote. Get short lead times, quick shipping, full manufacturer warranty, and in-house technical support with CIS. 161567062