


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) |
Max. inlet pressure | RX4400-RX4300: 240 bar (3500 psig) / RX4100: 160 bar (2320 psig) / RX4000-RX42000: 117 bar (2000 psig) / HF: 50 bar (730 psig) |
Outlet Pressure | 100 mbara/ 2/4/7/10 bar (29/58/102/150 psig) |
Temperature range | -20°C to +65°C (-4°F to +149°F) |
Flow capacity (cv) | RX4400-RX4300: Standard: 0.15 / HF: 0.2 / RX4100: Standard: 0.45 / RX4000-RX4200: Standard: 0.9 / HF: 1.1 |
Poppet type | RX4000-RX4400 : Free poppet / RX4100-RX4200-RX4300: Tied diaphragm |
Burst pressure | 300% of operating pressure |
Proof pressure | 150% of operating pressure |
Supply pressure effect i | RX4400-RX4300: Standard: 0.25 / HF: 0.5 / RX4100: Standard: 1.4 / RX4000-RX4200: Standard: 3 / HF: 4 |
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 |