Normally Closed
Normally Closed

Pramp Automation and Calibration

Category: Valves

Product: Angle Seated Valve

Sub Product: Normally Closed

Plastic-Piston Actuator

2/2-Way Angled Metal Body Valve with Engineering Plastic-Piston Actuator. For On-Off Application (Rust Free Design), Normally Closed Type.6812M For Flow Over The Seat, 6824M For Flow Under The Seat

Size:

15mm (1/2” ) to 50mm (3”).

Construction:

6812M-NC-Flow over the seat. 6824M-NC-Flow under the seat.

Body & Bonnet Material:

Standard-Investment casted SS-ASTM A351 CF8 (DIN1.4301). Optional-Investment casted SS-ASTM A351CF8M (DIN1.4408)(GX6 Cr.Ni MO1810)

Pressure Temp. rating :

As per ANSI Class 300.

End Connection :

Standard- BSP(F), Optional- NPT(F)[1], Socket weld[2], Flange end[5], Spigot end [6],TC end[7].

Seating :

Standard-Soft seat PTFE backed by EPDM. Optional-VITON/EPDM/Buna Nitrile.

Leakage :

As per ANSI B16.104-1976 PTFE seating class IV Drop Tight/Bubble Tight.

Trim:

Standard-SS AISI 304,Optional-SS AISI 316.

Stem Packing:

Self adjusting, Spring loaded PTFE packing.

Characteristic :

On-Off, Normally Closed.

Working Temperature :

On steam-continuous 155°C, Intermittent 180°C, EPDM 135°C, VITON 180°C.

Cylinder, Cover, Body & Piston:

Glass filled polyamide.

Piston Packing:

Buna Nitrile.

Actuator Spring :

IS 4454 Grade III, duly painted.

Pilot Pressure :

3.5 to 6 bar

Solenoid Mounting :

Valve has built in Namur mounting interface, any standard Namur Solenoid Valve can be fitted

Operating Cycles per hour:

15mm, 20mm, 25mm upto 600 cy/hr., 35mm and 50mm upto 300 cy/hr.(tested on air, on other fluids this figure may vary).

Air Quality:

Lubricated/Non-lubricated.

Accessories :

Air lock, position indicating limit switch box, solenoid valve, filter regulator gauge. Other accessories available on application.

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:

Generally all models are suitable for back pressure upto 2.5 bar.