Pneumatic V type Ball Valve Body integral structure: The body adopts an integral side entry structure with good structural rigidity, which does not easily cause external leakage.
Upward and downward self-lubricating bearing: The body is installed with upward and downward lubricating bearing, which has high contact area with the stem, high carrying capacity, low friction coefficient, so that the valve torque is reduced.
According to the requirements for media and service conditions, the Pneumatic V type Ball Valve seat can use metal hard seal or PTFE soft seal: The sealing face of the metal hard seal seat is subject to hard alloy overlaying welding, the ball face is subject to hard chrome plating or spray welding, ion nitriding and other hardening treatment, so as to prolong service life of the sealing face and improve heat resistance. The soft seal PTFE seat or reinforced PTFE seat has good sealing performance, corrosion resistance and wide application range.
CF8 Pneumatic V type ball valve with accessory material
Body Type: integral type
Nominal diameter: DN15~500(NPS1/2~16)
Nominal pressure: PN 1.6~4.0Mpa(Clsaa150~300)
Type of connection: flanged
Material: A216-WCB, A351-CF8, A351-CF8M, A351-CF3,
A351-CF3M, A217-WC6, A217-WC9
Bonnet: standard type: -29~250ºC
high temperature type: 250~425ºC
Packing: PTFE, flexible graphite, nickel-based wire reinforced flexible graphite
Trim Plug type: cast ball with V notch
Plug material: A182-F304, A182-F316
Seat material: soft seal: PTFE, RPTFE, PPL
hard seal: A182-F304, A182-F316
Flow characteristic: approximate equal percentage
Adjustable ratio: 300:1
Rated Cv value: See table 5 for details.
Rated travel: 0~90Ў
Seat Leakage class: soft seal: ANSI B16.104 class VI
Hard seal: ANSI B16.104 class IV, V
CF8 Pneumatic V type ball valve with accessory technical performance
| DN(mm)
Nominal diameter DN |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
| (mm)
Seat diameter |
20 |
26 |
33 |
40 |
53 |
66 |
86 |
104 |
128 |
170 |
212 |
255 |
320 |
368 |
414 |
460 |
| Cv
Flow capacity Cv value |
29 |
41 |
82 |
117 |
210 |
327 |
513 |
794 |
1155 |
2054 |
3209 |
4668 |
7177 |
11437 |
14479 |
17876 |