CSB/CSBF is an air operated 2-port ball valve driven by a rotary actuator. It is used for steam and water, and double acting or single acting (NC, NO) can be selected. Standard bore (CSB) and full bore (CSBF) types are available, with Rc3/8 to Rc2 ports. The steam temperature is up to 164 °C.
| Working Fluid | Steam, water |
| Actuation | Air operated: double acting / single acting NC (R1) / single acting NO (R2) |
| Working Pressure | 0 to 0.6 MPa |
| Proof Pressure | 2.0 MPa (water pressure) |
| Fluid Temperature | 0 to 164 °C (no freezing) |
| Ambient Temperature | -10 to 60 °C (no freezing) |
| Working Environment | Indoors |
| Frequency | 1 cycle/min. or less |
| Mounting Orientation | Unrestricted |
| Pilot Fluid | Compressed air (lubrication not required; use turbine oil class 1 ISO VG32 if necessary) |
| Pilot Pressure | Double acting 0.35 to 0.7 MPa, single acting 0.4 to 0.7 MPa |
| Pilot Port Size | Rc1/8 |
| Specifications by Model, Standard Bore (CSB) | -10: Rc3/8, 10 mm, Cv 10, double acting 1.0 kg / single acting 1.1 kg | -15: Rc1/2, 10 mm, Cv 6, 1.0 / 1.1 kg | -20: Rc3/4, 15 mm, Cv 16, 1.2 / 1.3 kg | -25: Rc1, 20 mm, Cv 29, 1.3 / 2.2 kg | -32: Rc1 1/4, 25 mm, Cv 50, 2.2 (2.3) / 2.7 (2.8) kg | CSB-40: Rc1 1/2, 32 mm, Cv 98, 2.6 (2.7) kg | CSB-50: Rc2, 40 mm, Cv 125, 3.4 (3.5) kg |
| Specifications by Model, Full Bore (CSBF) | -15: Rc1/2, 15 mm, Cv 23, double acting 1.2 kg / single acting 1.3 kg | -20: Rc3/4, 20 mm, Cv 51, 1.3 / 2.2 kg | -25: Rc1, 25 mm, Cv 66, 2.2 / 2.7 kg | CSBF-32: Rc1 1/4, 32 mm, Cv 114, 2.6 kg | CSBF-40: Rc1 1/2, 40 mm, Cv 176, 3.4 kg |
| Body / Seat Material | Copper alloy / reinforced PTFE (H), stainless steel / reinforced PTFE (W, standard bore only) |