Create offers directly in the shop!
You know which items you would like to order and no longer need technical advice?
Simply create your own offer in our shop!
Select your desired items in the shop. On each product page a button is placed, with which you add the article to your personal offer.
Benefits of a customer account:
- Your discounts are displayed automatically
 - Overview of all offers
 
New Customer Login Download as a guest Back
Please fill out the following form to start the download
R21
Choose a version from the table underneath, please.
        Description:
        Piston-operated regulator with balanced valve design and high-relief flow. Features include a transparent pressure-calibrated, non-rising adjusting dial which can be mounted in any position so the dial face is always visible. Pressure setting in steps is possible.
 
 Media: compressed air
 Supply_pressure: max. 21 bar, minimum 1 bar above outlet pressure
 Air_consumption: max. 1.4 l/min depending on outlet pressure
 Adjustment: The full secondary pressure range can be dialed in less than a 270° turn proportional to handwheel
 with scale in bar or psi. This is advantageous if secondary pressure must be changed frequently.
 
 Relieving_function: relieving
 Gauge_port: G1/4 on both sides of the body
 Mounting_position: any
 Temperature_range: 0 °C to 65 °C / 32 °F to 149 °F
 
 Body: zinc die-cast 
 Piston: acetal
 O-ring: NBR/Buna-N 
 Valve_seat: acetal, brass and NBR/Buna-N
       
| part number | connection | supply pressure max. [bar] | pressure range [bar] | flow rate air [Nl/min] | Kv [m³/h] | Price plus VAT (EU) | 
|---|---|---|---|---|---|---|
| R21-C2-L | G1/4 | 21 | 0...3,0 | 3000 | 2,5 | 348,19 € | 
| R21-C2-O | G1/4 | 21 | 0...11 | 3000 | 2,5 | 197,82 € | 
| R21-C3-L | G3/8 | 21 | 0...3,0 | 4500 | 3,8 | 331,85 € | 
| R21-C3-O | G3/8 | 21 | 0...11 | 4500 | 3,8 | 298,65 € | 
| R21-C4-L | G1/2 | 21 | 0...3,0 | 5000 | 4,2 | 203,87 € | 
| R21-C4-O | G1/2 | 21 | 0...11 | 5000 | 4,2 | 298,65 € | 
        











            
            
