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DELCO Normally Closed Stem Welded Pneumatic Angle Seat Piston Valves
The DELCO Welded Pneumatic Angle Seat Piston Valves are designed for use with all types of liquids and gases. Valves made of copperplate are ideal for applications involving water, oil, and compressed air. On the other hand, the stainless steel version is suited for both neutral and aggressive liquid and gaseous media. These valves are also capable of operating in rough vacuum environments. The maximum working pressure is 16 bar (232 psi), though this may vary depending on the specific valve model.
Model: Welded Angle Seat Valve
Rozsah velikostí: 1/2”~2-1/2”
Rozsah tlaku: 0 ~ 1,6 MPa
Materiál: Stainless Steel 304/306
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DELCO Pneumatic Welded Angle Seat Piston Valves
A pneumatic angle seat valve offers a high flow rate and can operate at zero pressure difference and high temperatures. It is also suitable for handling high viscosity and dirty media. To operate in an explosive environment (Eex area), simply place the pilot valve outside the area. The valve is controlled by a pneumatic actuator driven by a three-way solenoid valve. The pilot medium pressure enters the actuator cylinder, pushing the piston to open or close the gasket through the stem. The gasket returns to its default position thanks to the return spring in the pneumatic actuator.
There are two types of pneumatic angle seat valves: single-acting and double-acting.
Single-Acting Valve
- Design: Typically has one port on the pneumatic head.
- Operation: Uses a spring to return to its default position. It is further classified into normally open and normally closed types based on the spring function.
Double-Acting Valve
- Design: Typically has two ports on the pneumatic head.
- Operation: The air supply controls the opening and closing. For more precise control, a double-acting valve can be combined with a spring return, as per customer requirements.
Technické parametry tělesa ventilu
Materiál aktuátoru | Nerezová ocel nebo polyamidPA | Materiál karoserie | SS304, 316, 316L |
Materiál sedadla | PTFE, F46 | Materiál dříku | SS304, 316, 316L |
Okolní teplota | -30℃~180℃ | Tlak | 0 ~ 1,6 MPa |
Typ připojení | Welding, flange, thread, clamp | Typ kontroly | Jednočinný, dvojčinný |
Použitelné médium | Voda, zemní plyn nebo kapalný alkohol, olej, organické rozpouštědlo, pára | Volitelné příslušenství | Elektromagnetický ventil, koncový spínač, polohovadlo atd. |
Welded Angle Seat Valve
Velikost | Inch | d | D | L | H | A | E | Actuatar |
DN15 | 1/2″ | 15.5 | 19.5 | 100 | 137 | 175 | 64 | 50 |
DN20 | 3/4″ | 21.5 | 26.5 | 120 | 145 | 180 | 64 | 50 |
DN25 | 1″ | 28.5 | 32.5 | 140 | 185 | 215 | 80 | 63 |
DN32 | 1-1/4″ | 33 | 38.5 | 155 | 210 | 235 | 80 | 63 |
DN40 | 1-1/2″ | 46 | 52 | 170 | 260 | 245 | 80 | 63 |
DN50 | 2″ | 57 | 64 | 190 | 300 | 325 | 100 | 80 |
DN65 | 2-1/2″ | 68 | 77 | 200 | 340 | 355 | 100 | 80 |
DN80 | 3″ | 82 | 92 | 220 | 385 | 400 | 126 | 100 |
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