CONSTRUCTION MATERIAL
| Parts | Material | |
| Wetted parts | Body | SS 316L, VAR |
| Seat | PCTFE (PVDF, VESPEL® optional) | |
| Diaphragm | SS 316L (Hastelloy® optional) | |
| Poppet | SS 316L (Hastelloy® optional) | |
| Spring | SS 316L (Hastelloy® optional) | |
| Spring Holder | SS 316L | |
| Non-wetted parts | Bonnet | SS 303 |
| Handwheel | PA 6.6 | |
| Others | Stainless Steel and Brass |
SURFACE FINISH
| S | V | U |
| Ra 0.4 μm (15 μin) | Ra 0.25 μm EP (10 μin) | Ra 0.13 μm EP (5 μin) |
| Flow capacity (Cv) | 0.15 | 0.25 | 0.5 | 0.9 | 1.1 |
| Supply pressure effect I* | 0.25 | 0.5 | 1.4 | 3 | 4 |
*1 bar / 100 bar inlet pressure change
| Poppet type | Free diaphragm |
| Temperature range | -20°C to +65°C (-4°F to +149°F) |
| Burst pressure | 300% of operating pressure |
| Proof pressure | 150% of operating pressure |
| Certified max. helium outboard leak rate | ≤ 1 x 10-9 mbar.l/s |
| Certified max. helium across the seat leak rate (at max. pressure) | ≤ 1 x 10-8 mbar.l/s |
| Certified max. helium inboard leak rate (at max. pressure) | ≤ 1 x 10-9 mbar.l/s |
Column 2 | Regulator type | Outlet Pressure | Seat material | Cv value | Body material | Surface finish | Porting configuration | Connection | Actuator | Inlet pressure | Options |
RX | 40 | 02 | K | 015 | S | S | 2W1 | 4F | M | 021 | H |
