Description
Standard technical parameters:
Valve body:
Nominal diameter: DN25-DN100
Housing material: WCB, 304, 316, 316L
Flange type DN25-DN500
Pressure class: PN1.6-4.0MPa
Structure
Core with a fixed sphere
Design and manufacturing standards:
Design and manufacture: GB/T12237/1989, ASME B16.10, API608
Structure Length: GB/T12221, ASME B16.10 Port Size: GB9113.1, ASME B16.5
Trial testing: GB/T13927-1992, API598, API6D
Valve components:
Seat seal: PTFE, alloy steel (hard alloy for surface welding, chrome, tungsten nitride)
Core material: 304,316, 316L (surface hardening treatment: tungsten nitride, chrome plated).
Stem material: 17-4PH
Suitable media: water, oil, solid particles and fibrous media