Plumbing Equipments /
R1139 “RIS” COMPANSATED PISTON PRESSURE REDUCING VALVE
Features
Body
Nickel plated brass CW 617N UNI EN 12165
Brass CW 617N UNI EN 12165
Metal Internal Components
Brass CW 614N UNI EN 12164
Rod
Brass CW 614N UNI EN 12164
Seals
EPDM PEROX /
NBR Nitril Elastomer
Plastic Components
Nylon 6 with 30% fibreglass /
PA66 with 30% fibreglass
Pressure Gauge Connection
G ¼” F (for only R11390X00 code version)
Connection Size
G ½” -G ¾”
Threaded Connections
FF UNI EN ISO 228
Technical Characteristics
Fluids
Water
Maximum Operating Temperature
80 °C
Nominal Pressure
PN 16
Maximum Upstream Pressure
1600 kPa (16 bar)
Adjustable / Fixed Downstream Pressure
See table below.
Factory Presetting
300 kPa (3 bar) (Only models with *)
Technical Data
| Product Code | Connection Size | Threaded Connections | Pmax upstream (bar) |
Padj downstream (bar) |
Ppresetting (bar) |
| R11390400* | ½” | FF UNI EN ISO 228 | 16 | 0,5-4 (with inlet pressure of 8 bar) |
3 |
| R11390500* | ¾” | FF UNI EN ISO 228 | |||
| R11390440 | ½” | FF UNI EN ISO 228 | |||
| R11390540 | ¾” | FF UNI EN ISO 228 | |||
| R11390490 | ½” | FF UNI EN ISO 228 | 3 (fixed calibration) |
||
| R11390590 | ¾” | FF UNI EN ISO 228 |
Models only with * have pressure gauge connection.