H2O Rx stock a range of chemical process valves suited to the needs of chemical storage and handling.
Degassing Valves:
Pressure Relief and Back Pressure Valves
We support a variety of brands including:
- ECO Valve
- Top Valve
- Blacoh
- Blacoh Hybrid - Pulsation Dampener and Back Pressure Valve Combined
Solenoid Valves
We also have a range of solenoid valves - Send an Email to tell us your requirements.
Spectacle Blinds
Spectacle Blinds - for ANSI 150#, AS4087 PN16 or to your specification. More information.
Additional Resources
| Description | Downloads and Data |
| Blacoh Back Pressure and Pressure Relief Valves. Watch the video to learn more. | |
| ECO Valve Instruction Manual (Series A) | ECO Valve Series A |
| ECO Valve Instruction Manual (Series B) | ECO Valve Series B |
| ECO Valve - Pressure Derating | ECO Valve - Pressure Derating |
| Automatic Degassing Valve - Drawing | AV-75-CPVC-B |
Automatic Degassing Valve - Instruction Manual |
Automatic Degassing Valve |
| Automatic Degassing Valve - Cad Model | S0123-191023-00 |
| Automatic Degassing Valve - Instruction Manual | S0123-IOM |
| Installation, Operation and Maintenance Manual for High Pressure Pressure Relief and Back Pressure Valves | Top Valve - High Pressure O&M |
Last Updated: 25 February, 2026