The KY31 and KY33 incorporate a pressure balancing bellows, which enables the valve to operate against higher differential pressures.
| Spirax-Sarco | |
|---|---|
| Product Category | Industrial Valves |
| Product Number | KY33 |
| Product Name | Cast Iron Self-acting Control Valve |
| Valve Type | Control Valve |
| Primary Material | Cast Iron |
| Media | Steam |
| Maximum Pressure | 100.08 to 130.53 psi (70.43 to 91.87 m H2O) |
