以色列DOROT 58 3*2 58 4*3 58 4*4兩位三通閥門是上海法登閥門直接從以色列進口過來的，質量放心，假一罰十Dorot Model 57 & 58 “FlushGAL” Back Flushing Valve
Cast iron body, Direct Diaphragm-Sealing valve,
designed for automatic back-flush of filtration filters
Features:
• Sturdy body made of cast iron (optional SST version)
• Frictionless position exchange
• Low head-losses
• Easy installation, no special tools or expertise required.
• Grooved (model 58) or flanged (model 57) connections
available
• Special design model for disc filtration systems
• Optional model for high-pressure filtration systems available