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Pneumatic V Type Ball valve

Pneumatic V Type Ball valve


Product name:Pneumatic V Type Ball valve
Item:DHBV-P
Details:
 Standard technical parameters

Valve body

Nominal diameter: DN25-DN100

Body material: WCB, 304, 316, 316L

Connection: wafer type DN25-DN200

Flange type DN25-DN500

Pressure class: PN1.6-4.0MPa

Structure: Fixed ball core

Design and manufacturing standards

Design and manufacture: GB/T12237/1989, ASME B16.10,

API608

Structure length: GB/T12221, ASME B16.10

Connection size: GB9113.1, ASME B16.5

Pressure testing: GB/T13927-1992, API598, API6D

Valve components

Seat sealing: PTFE, alloy steel (Surface welding hard alloy,

chrome, tungsten nitride)

Core material: 304,316, 316L (Surface hardening treatment:

Tungsten nitride, chrome plated

Stem material: 17-4PH

Suitable medium: water, oil, solid particles and fi ber media

Performance

Adjustable range: 100:1

Rated Kv: Refer to the table

Leakage level: metal seal: less than 0.001% soft sealing :less than 0.00001%

Return difference: less than full stroke 1% (with locator)

Less than full stroke 3-5%(without locator)

The basic error: less than full stroke +1%(with locator)

Less than full stroke +5%(Without locator)









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