All - Stainless Steel Direct - Acting Pressure Reducing Valve for Steam
Technical Specifications
- Model: DP-30
- Size: DN15-DN25 ( 1/2″-1″)
- Suitable for steam service
- Inlet pressure: Max.1.6MPa
- Reduced pressure: 0.05~1.0MPa
- Applicable temperature: Below 204°C
- Body: SS304
- Trims: SS304
- Connection : PT, NPT Screwed
- Similar to the Yoshitake GD‑30, 30S Pressure Reducing Valve
Product Description
Download PDF datasheet & selection guide
Overview
This direct-acting steam pressure reducing valve features a full stainless steel body and internal components, delivering stable pressure reduction and superior corrosion resistance. Engineered as a direct interchangeable equivalent to the Yoshitake GD-30 and GD-30S series, it provides a reliable, cost-effective solution for general steam pressure regulation systems where consistent downstream pressure is required.
Features
- Compact & lightweight design — Optimized structural layout minimizes installation footprint, making it ideal for piping systems with limited space constraints.
- Simple and reliable construction — Fewer moving parts reduce wear points, extending service life and enabling quick, tool-free maintenance in the field.
- Easy on-site installation — Standard threaded connections allow fast, straightforward mounting without requiring complex piping modifications or special tools.
- Tool-free pressure adjustment — Equipped with an integrated manual adjustment handle, enabling precise, flexible outlet pressure tuning directly on site without additional tooling.
- Enhanced wear and corrosion resistance — Stainless steel valve disc and seat ensure tight shutoff, extended service life, and stable performance under continuous steam operation.
- Built-in 60-mesh strainer — Effectively captures pipeline scale and debris, preventing foreign particles from damaging the sealing surface and eliminating valve jamming and leakage risks.
- Stable low-pressure regulation — Sensitive pressure sensing mechanism ensures steady, precise downstream pressure output without fluctuation, even under varying inlet conditions.
- Wide application versatility — Suitable for small and medium-sized steam equipment, heating systems, laboratory steam pipelines, sterilization units, and general industrial steam regulation systems.
Working Principle
The valve operates on a direct-acting principle: inlet steam pressure acts on the underside of the valve disc, while an adjustable spring load on the top side sets the desired downstream pressure. When downstream pressure rises above the set point, the diaphragm compresses the spring, gradually closing the valve to reduce flow. Conversely, when downstream pressure drops, the spring expands, opening the valve to restore the set pressure. This self-regulating cycle maintains a stable outlet pressure without requiring external power or auxiliary control systems.
Typical Applications
- Steam heating systems and heat exchangers
- Sterilizers, autoclaves, and laboratory steam equipment
- Food and beverage processing lines
- Textile dyeing and finishing machinery
- Pharmaceutical and chemical processing
- Small to medium industrial boiler steam distribution
