200B Series Applications Light Commercial, Commercial 1.5" and 2" Plastic Models Durable heavy-duty construction ensures reliable performance in these cost-effective, commercial/light commercial valves. Heavy-duty, corrosion and UV-resistant PVC construction with stainless steel spring and hardware Slow-closing design Rugged Double-beaded SANTOPRENE® diaphragm Internal and external bleed (flush mode) Flow Control
5 year warranty.