1. ante installing in manualpapilio valvae, first confirm whether the product is suitable for the working condition of the medium in the pipeline. The inside of the papilio valvae must be clean, including the sealing ring, valve shaft, and butterfly plate. Before cleaning the papilio valvae, do not close the butterfly plate to prevent damage to the sealing ring.
2. Wafer type manual papilio valvae needs to use papilio valvaeCum installing specialis LABIUM.
3. Try ut install fistula altitudinem loco super faciem eius.4. Ubi id necessarium sit, ut ad adjust fluxus rate, est commendatur ut a turbopapilio valvae.
5. installation cohibenda regulariter per valvulam omni usu excludi tempore defectus.