Ny valva fanaraha-maso ny pneumatic dia manana ny toetran'ny fanitsiana voafaritra, ny valiny haingana, ny fanoherana ny fanimbana, ny tombo-kase tsara, ny firafitra, tsotra ary azo itokisana, ary fiainana maharitra, ary fiainana maharitra ary fiainana maharitra. Izy ireo dia ampiasaina be amin'ny fifehezana sy ny fitsipi-pitondran-tena amin'ny sehatra indostrialy isan-karazany.
Toetoetra:
1. Fitaovana tsara : Ny valve fanaraha-maso an-tsokosoko an-tsokosoko dia manana fampisehoana fanimbana tsara, izay afaka manakana ny fihenan'ny tsiranoka ary hiantoka ny fiasa azo antoka amin'ny rafitra.
2. Ny rafitra tsotra sy azo itokisana : ny fantsom-pifehezana salohim-boasary dia manana rafitra tsotra, mora foana ny mitazona sy mametraka ary azo itokisana sy fahatokisana avo lenta.
3. Fiainan'ny serivisy lava : Ny sezafi-bato sy ny valve dia vita amin'ny fitaovana mitambatra, izay manana fiainana maharitra ary afaka mahafeno ny filàna fotoana maharitra maharitra.
Ny vokatra lehibe ataon'ny orinasa dia misy valve fanaraha-bazana pnematic, valve ball pnematic, valve control elektrika, fluorine voditongotra valve, precession vortex flummeter, goavambe.
Vatan'ny valva
Type |
straight single seat ball valve |
Nominal diameter |
DN15-DN400mm |
Nominal pressure |
PN16, 40, 64, ANSI150, 300, 600; |
Connection form: |
Flange type |
Valve body material: |
WCB, WC6, WC9, LCB, LC2, LC3, CF8, CF8M, etc. |
Valve cover form: |
Standard type (P): -17-+230℃ |
Gland type: |
Bolt pressing type |
Filling: |
PTFE V-shaped packing, PTFE asbestos and flexible graphite |
Fivoriambe anatiny
Spool form: |
upper guide single seat plunger spool |
Adjustment characteristics: |
equal percentage, linear, fast opening |
Internal parts materials: |
304, 304 surfacing STL, 316, 316 surfacing STL, 316L, 17-4PH, etc |
Mekanika mpanatanteraka
Pneumatic actuator |
|
Model: |
Film type |
Film material: |
ethylene propylene rubber sandwiched nylon |
Spring range: |
20-100KPa, 40-200KPa, 80-240KPa |
Gas supply pressure: |
140KPa, 160KPa, 280KPa, 400KPa |
Air source connector: |
Rc1/4, Rc3/8 |
Ambient temperature: |
-30 ~ +70℃ |
Action form: |
gas open (reaction), gas close (positive action) |
Note: |
① This type of large diameter or high pressure difference regulating valve can also be equipped with straight stroke piston actuators. |
|
② If the ambient temperature is lower than -30 ° C, please contact the western technical personnel. |
Fampisehoana
Leakage: |
Metal valve seat: Complies with ANSI B16.104 Level IV |
Non-metallic valve seat: |
conforms to ANSI B16.104 Class VI |