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Valve body
Type: straight single casting ball valve
Internal nominal diameter: 20?25mm
Nominal pressure: ANSI 125?150?300?600
JIS10?16?20?30?40K
PN1.6?4.0?6.4MPa
Coupling mode: flange coupling:FF?RF?RJ?LG?MFM
Flange standard:JIS B2201-1984?ANSI B16.5-1981?JB/T79.1-94(PN1.6MPa)
JB/T79.2-94(PN4.0?6.4MPa)?HG20596-97?HG20618-97etc
Welding coupling : SW
Material : cast steel(ZG230-450)?cast stainless steel (ZG1Cr18Ni9Ti?ZG1Cr18Ni12Mo2Ti?ZG316L)?titanium
Up valve cover: normal temperature type (P):-17~+230?
elongation?(E?):-45~-17? +230~+566?
Elongation ?(E?):-100~-45?
Elongation ?(E?):-196~-100?
Note :Working temperature must be below the available range of varies material.
Pressure cover type: bolt pressure
Filled material: V type PTFE?with immersed PTFE asbestos?asbestos knit?graphite
Valve inside discreteness
Valve core mode: single sleeve pole fill valve core
Flow speciality: equal percentage speciality(%CC)and line speciality (LCC),reference map 1
Sleeve type :separated sleeve
Material :stainless steel (1Cr18Ni9Ti?1Cr18Ni12Mo2Ti?17-4PH?9Cr18?316L)?stainless steel welding alloy?titanium and corrosion-resisting alloy etc.
Perform organization
Type HA multiple spring membrane perform organization
Membrane material: second and third rubber mix nylon cloth?fourth nit rile mix nylon cloth
Spring range 20~100?80~240kPa
supply air pressure 140~400kPa
Air source interface Rc1/4"
Environment temperature -30~+70?
Valve function type positive and negative perform organization to realize valve’s air –close or air-open.
Accessories :positional, air filter decompressor ,protecter valve?route switch?valve conveyer?hand wheel organization etc.
Performance: leak volume metal valve seat:below valve amount fixed capacity 0.01%,suitable ANSI B16.104—1976??
Backlash:with fixed device below route’s 1%
Without fixed device below route’s 3%(HA1?below route’s 5%)
Basic error: with fixed device below route’s±1%
Without fixed device below route’s ±5%(with VPE?±3%,HA1matchHEP?±2%)
Note :adopt standard V type PTFE
Adjusting range: 50:1(0.25=Cv=4.0)or 30:1(Cv=0.16)
Cv value and route
|
rating Cv value |
0.01 |
0.04 |
0.1 |
0.16 |
0.25 |
0.4 |
0.63 |
1.0 |
1.6 |
2.5 |
4.0 |
|
Flow speciality w |
Metal valve seat |
Equal percentage(%CC) |
— |
— |
— |
— |
? |
? |
? |
? |
? |
? |
? |
|
Line (LC) |
? |
? |
? |
? |
? |
? |
? |
? |
? |
? |
? |
|
Rating route(mm) |
14.3 |
|
Internal nominal diamater(mm) |
20?25 | | 
