Van một chiều cửa lật
Sealing Material: EPDM, FPM
Body Material: PVC, PP, PVDF
Dimension: DN32 – DN500
Valve Type: K4 Series, K6 Series, S4 Series
- Water and waste water treatment
- Contaminated and aggressive fluids
- Chemical industry
- Process technology
- Environmental technology
- Systems engineering
• Compact - Requires little space in piping system
• Economical - Simple and robust construction
• Easy installation - Wafer body slips between standard flanges
• Light weight
• chemical resistant
• no corrosion
• Available with or without spring
• Type S4 60: without return spring
• Type S4 70: with return spring
• The valve’s wafer body slips between standard flanges and can be used in either vertical or horizontal installation.
• Use spring assisted type S4 70 valve for pulsating flow and horizontal piping.
• Use S4 60 valve for applications where it is not desirable for the process stream to come in contact with metals.
• In case of mounting on a pump (at pressure side) please note the following:
- no direct mounting on pump flange or following elbow
- for velocity relief zone allow 5 times the pipe diameter (e.g: install 4" valve at least 20" away from pump discharge)
• Praher offers full range of plastic spacer rings which are required for installation with SCH 80 pipe (the disc will open fully inside the spacer cavity and not slam against the inside pipe wall).
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