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Ball valve with pneumatic rotary actuator, single-acting spring-to-close, Rp 3/4, DN 20, PN 100, stainless steel, type 351.521 - Riegler 103590
Remote shut-off by compressed air: a ball valve with pneumatic rotary actuator single-acting, spring to close for Rp 3/4. Valve in stainless steel 1.4401/1.4301/1.4310/1.4408, nominal size DN 20, operating pressure up to 100 bar (PN 100), temperature -20 to 150 °C.
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Description
Ball valve with pneumatic rotary actuator, connection Rp 3/4, nominal size DN 20 and operating pressure up to 100 bar (PN 100). The actuator is a pneumatic double-piston rotary actuator working on the double-rocker principle.
Benefits
- Usable up to 100 bar operating pressure
- Pneumatic rotary actuator, single-acting, spring to close, angle of rotation 90°, max. pilot pressure 5.6 bar
- Suitable for -20 to 150 °C
- Valve adapter: supplied as standard
- Valve with ISO flange plate, actuator in anodised aluminium
- Seals in PTFE / FKM
Applications
Automated opening and closing of pipework with Rp 3/4 in plants that use compressed air as the control medium.
Technical data
| Type no. | 351.521 |
|---|---|
| Operating temperature | -20 to 150 °C |
| Temperature range | -20 to 80 °C |
| Actuator material | Anodised aluminium |
| Ball valve material | Stainless steel 1.4401/1.4301/1.4310/1.4408, with ISO flange |
| Ball valve seals | PTFE / FKM |
| Actuator seals | NBR |
| Max. pilot pressure | 5.6 bar |
| Angle of rotation | 90° |
| Valve adapter | Supplied as standard |
| Thread | Rp 3/4 |
| Nominal size | DN 20 |
| Version | Single-acting - spring to close |
| Dimension B | 163 mm |
| Dimension L | 70 mm |
| Dimension A | 240 mm |
| Nominal pressure | 100 bar |
| Weight | 2.64 kg |
| Manufacturer | Riegler |
| Hersteller-Nr | 351.521 |
| EAN | 4047322078924 |
| Zolltarifnummer | 84818081 |
| GPSR Herstellerdaten | Riegler & Co. KG, Schützenstraße 27, DE-72574 Bad Urach, www.riegler.de |
| Artikelzustand | New |
| Artikel-Authentizität | Original product |
| Country of Manufacture | Italy |
| Ausführung | einfachwirkend - federschließend |
| Nominal size DN [mm] | 20 |
| Nominal pressure PN [bar] | 100 |
| Function | 2/2-way |
| Design | rotary actuator, 2-way ball valve |
| Actuation type | pneumatic |
| Norm | DIN EN 10226, ISO 5211 |
| Pneumatic connection | Rp3/4 |
| Temperaturbereich | -20-150 °C |
| Temperature (max.) | 150 |
Downloads
User Manual
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