ProductPage
Home
Products
Valves and actuators
Ball Valves
Ball valves with flange connection
[ ]
Back to category
Enlarge
ECON®
Trunnion mounted ball valve Type: 6257 Steel Flange Class 300
Product documents
Document
Document type
Product Manual
Installation Operation Manual
(PDF)
Product overview
Download
Show all items
Application
Heavy-duty industrial applications up to 51bar.
Liquid and gaseous media.
Recommended in: Chemicals, tank Storage & AMP, industry.
Technical information
Ball valve mounted on pin.
ASME pressure rating: class 300.
With top-flange in accordance with ISO 5211 (direct mounting).
Construction
Two-piece housing construction.
Full flow capacity.
Equipped with antistatic design between ball and housing.
Seats with automatic pressure distribution (single piston effect, SPE).
Ball supported by bearings.
Spring-mounted seats.
Approval
Fire-safe design.
Options
Can be equipped with pneumatic, electric or hydraulic actuators.
Position feedback for manual or automated valves.
Norm: ASME
Norm: ASME
Construction type: 2-way
Construction type: 2-way
Housing construction: 2-part
Housing construction: 2-part
Housing material: Steel
Housing material: Steel
Nominal inner diameter
10" (250) (2)
12" (300) (2)
8" (200) (2)
Nominal inner diameter
Connection: Flange
Connection: Flange
Pressure rating: Class 300
Pressure rating: Class 300
Face to Face length (mm)
502 (2)
568 (2)
648 (2)
Face to Face length (mm)
Manual operation: Bare stem
Manual operation: Bare stem
Secondary spindle seal material: FPM (FKM)
Secondary spindle seal material: FPM (FKM)
Clear filter
(6 of the 6 items displayed)