Eccentric Plug Valves

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Sierra Engineering & Manufacturing

Cairo, Egypt

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Series 7800 is double flanged eccentric resilient seated plug/ball valves that are suitable for sewage, slurry, wastewater waterworks, and raw water and applications. Valve ports shall be of round port type. The body seat shall be furnished with a welded-in overlay stainless steel seat, precisely machined inside the valve body for providing high corrosion and wear resistance, long service life, and reliability.

                                                            Diameter
                                                            DN100 – DN1800
                                                        
                                                            Pressure Rating
                                                            PN10, PN16, PN25
                                                        
                                                            Temperature Range
                                                            -20°C TO +70°C
                                                        
                                                            Face to Face Dimensions
                                                            ISO 5752 SERIES 3 Up to DN 200 SERIES 15 FOR DN250 – DN1800
                                                        
                                                            Certificates
                                                            Manufactured under a certified ISO 9001 quality system
                                                        
                                                            Flange Dimensions
                                                            EN1092-2 (DIN2501)
                                                        
                                                            Hydrostatic Testing
                                                            EN12266, ISO5208
                                                        
                                                            Type Testing
                                                            EN1074-1&2
                                                        
                                                            Actuation
                                                            Manual with GB or Electrically actuated

Clean and dirty water, sewage, sludge, and slurries services
Municipal Water and irrigation pipeline mains and distribution networks

Main Product Features

Eccentrically mounted plugs
Minimum pressure loss through the valve
Possibility to replace disc seal in-line
Shaft Bearing (Self-lubricating bearing)
The shaft sealing mechanism provides excellent sealing with minimum torque on the shaft
Thrust Pad, to centralize valve plug
Self-Flushing or self-cleaning
Suitability for throttling applications
Plug Rubber seal for quick maintenance
Welded overlay stainless steel seat on the valve body