Technical Specifications
Standard configuration and operational parameters for ARI Armaturen DP34 Diaphragm Actuator.
| Parameter | Standard Configuration |
|---|---|
| Product Brand & Model | ARI Armaturen - DP34 Pneumatic Diaphragm Actuator |
| Main Function | Pneumatic Diaphragm Actuator for Pressure Reducing Valves (PREMOTROL / PREMODISC / STEVI) |
| Diaphragm Surface Area | DP34 (80 cm² / 250 cm² / 400 cm² depending on pressure setpoint range) |
| Applicable Medium | Saturated Steam, Compressed Air, Neutral Gases, Hot Water, and Industrial Liquids |
| Control Pressure Range | 0.1 bar up to 16 bar (Adjustable via spring configuration and diaphragm size) |
| Operating Temperature | -10°C to +220°C (with Water Seal Pot / Condensate Chamber for steam applications) |
| Diaphragm Material | Fabric-Reinforced EPDM / NBR / FKM (Viton) |
| Housing Material | Steel Sheet / Cast Steel 1.0338 (Galvanized / Epoxy Coated) |
| Control Line Connection | G 1/4" / G 3/8" Threaded Connection |
| Safety Features | Overpressure Protection, Fail-Safe Open / Fail-Safe Close via Spring Return |
| Standards & Approvals | DIN EN ISO 9001, PED 2014/68/EU, CE Certified |
