Model Number: QFZ54W Key Specifications/Special Features: Specifications:This products are suitable for both sewage water project and other water systemsThis kind of penstock material is cast ironWall mounted1: Rational in construction,uniform in suffering load, good in sealing property and rigiditySealing leakage conform to AWWA C5602: Manual control penstock is easy and reliable3: Electric actuator of electric drive penstock is safe and reliable to operate Name of partsMaterial of parts Frame, gate Cast iron/ductile iron/carbon steel/stainless steel Stem Stainless steel Sealing ring Rubber/bronze/brass