D53 Series — EN 334 Certified Pilot Regulators
EN 334 and PED-certified double-stage pilot pressure loading regulators with slam shut option for natural gas and industrial boiler fuel gas applications.
The D53 Series are double stage pilot operated downstream gas pressure regulators certified to EN 334 and PED (Pressure Equipment Directive). The double stage design provides superior accuracy and stability of the controlled downstream pressure. An optional integral slam shut safety valve is available for overpressure protection.
Key Features
- Double Stage Pilot — Two-stage piloting delivers superior accuracy class up to 1.0 per EN 334.
- EN 334 & PED Certified — Meets European standards for gas pressure regulation and pressure equipment safety.
- Optional Slam Shut Valve — Integral slam shut safety valve available for overpressure protection.
- High Flow Capacity — Large main valve with pilot control enables high flow capacity with tight pressure control.
- Easy Maintenance — Pilot and main valve internals replaceable without removing from pipeline.
Applications
- Gas distribution networks
- Pressure reducing stations
- Industrial gas supply
- City gas distribution
- LNG / LPG installations
Technical Specifications
| Accuracy Class | Up to AG 1.0 per EN 334 |
| Certification | EN 334, PED 2014/68/EU |
| Body Sizes | 1″ to 8″ — various flange standards |
| Inlet Pressure | Up to 100 Barg |
| Temperature Range | -20°C to 60°C |
| Optional Feature | Integral Slam Shut Safety Valve |