| Size |
25mm (1”) to 100mm (4”). |
| Body & Bonnet Material |
SG Iron IS-1865-400/15A. Cast Steel ASTM A216 Gr. WCB, St. St. ASTM A351 CF8(SS304), or ASTM A351 CF8M (SS316). |
| Pressure Temp. rating |
As per ANSI B 16.5 Class 150. |
| End Connection |
Flanged as per ANSI B 16.5 Class 150. |
| Design Standard |
As per ASME B 16.34 |
| Face to Face |
As per DIN 3202 Part I Series F1 |
| Testing Standard |
As per IS-6157-1981. |
| Trim |
St. St. AISI 304/316 Ground and Burnished. |
| Stem Packing |
Self adjusting, Spring loaded Teflon packing |
| Plug and Seat |
St. St. 304 or 316. |
| Seating |
Soft seated Teflon backed by EPDM. Optional-VITON /EPDM, Buna Nitrile. |
| Leakage |
Soft Seated Class VI , as per ANSI B 16.104-1976. |
| Characteristic |
On-Off, normally close and normally open. |
| Working Fluid Press |
Refer to table below |
| Working Temperature |
On steam- continuous :155°C, Intermittent 180°C, with PTFE seating, Buna Nitrile 80°C, EPDM 135°C, VITON 180°C |
| Cylinder Cover |
Stainless Steel ASTMA351 (CF8). |
| Piston |
Stainless Steel ASTMA351 (CF8). |
| Piston Packing |
Buna Nitrile |
| Operating cycles |
Upto 50 mm 300 cy/hr, (Tested on air, on other fluids this figure may vary). For other sizes detail refer to Avcon. |
| Actuator Spring |
IS 4454 Grade III, duly painted |
| Actuator Working Pressure |
3.5 to 7.5 Bar (refer to graph) (Signal Pressure) inlet pressure depended. |
| Life Expectancy |
Over one million cycles (lab tested in ideal condition) |
| Air Quality |
Lubricated, filtered and free of moisture shop air or dry instrument quality air. |
| Maximum operating pressure differential |
Refer to graph. |
| Accessory |
Air lock, Indicating limit switch box, Solenoid valves, Filter regulator gauge. Other accessories available on application. |
| Sales Point |
Full ported flanged valve to give maximum flow, long life, simple in construction. |
| Application |
For control of air, water, oil, gas, steam in textile, power generation, paper & pulp, chemical, petrochemical industries, PSA nitrogen system, air dryer, gas generator and others. |
| Back Pressure |
Suitable upto 2.5 bar. |
| Instruction Manual: |
Refer to IM 5612/5622. |
| Note |
Use of AVCON FRG (Relieving type) set air pressure not more than 5.5 bar. |
