INDUSTRIAL
VALVES
INSTRUMENTATION
VALVE AUTOMATION
|
|
| S/ Steel Normally Closed Control Valve |
|
"Aira" offers Pneumatic Diaphragm Operated Investment Casting body control valves for heavy duty Application |
 |
 |
| Size Range: 1/2" To 2 1/2" Screwed / Flanged |
|
| Technical specifications : |
Body and End Piece
Pressure Temp. Rating
End Connections
Seating
Leakage
Trim (Spindle)
Stem Packing
Characteristics
Working Fluid Pressure
Working Temperature
Air Quality
Accessories
Application
|
: ASTM A 351 Cr. CF8 / CF8M.
: As per ANSI class 300.
: Standard BSP(F) / NPT(F) or Socket Weld.
: Metal to Metal backed by specially compounded Teflon.
: As per ANSl B 16. 104- l976Teflon seating class IV.
: S.S. AISI 400./ S.S. hard chrome plated.
: Self compensating , spring loaded Teflon packing.
: On .off, normally closed.
: Refer to table below.
: On steams continuous 180° C Intermittent 205° C.
: Dry air or non corrosive gas.
: Air lock. Solenoid Valve, Filter Regulator Gauge. Other
Accessories available on application.
: For control of air, water, oil, gas, stream hydraulic oil.specially where heavy duty operations are called for specially on tyre and tube building process.power generation, atomic energy, Chemical & petrochemical plants, PSA Nitrogen system. Air, Gas dryers.Gas generators and others. |
| Actuator ( Spring return type, high duty Pneumatic Diaphragm Actuator) |
|
Diaphragm Cover
Diaphragm
Bottom Cover
Yoke
Actuator Spring
Actuator Working
Signal Pressure
Oper. Cycles per hour (Tested On Air)
Life Expectancy |
: Sheet metal pressing
: Nylon impregnated neoprene
: Aluminium
: ASTM A2I6 WCB
: Spring Steel (IS 4454 Cr. Ill) duly painted
: 2 to 3.5 bar
: (Main line pressure dependent)
: 15mm, 20mm, 25mm upto 600 cy / hr
35mm and 50mm upto 300 cy / hr
: Over Ten Lacs cycles (lab tested in ideal condition) |
|
| Technical Specification Table |
 |
| DIMENSION:(All Dimension are in mm) |
 |
|
