Products > Safety valves > Free discharge > D10
D10
Free Discharge Safety Valve D10 Series: the perfect solution for your industrial applications
Maximum reliability and long-lasting performance for your production lines
🛠️ High quality materials
Brass for standard applications and 316L stainless steel for corrosive environments, ensuring optimal performance in every situation.
🌍 Global Certifications
9 combinable certifications to cover every requirement worldwide.
🍝 100% Made in Italy
Design, materials, and engineering entirely Italian, ensuring the highest quality and traceability, from raw material to finished product.
💪 Production Flexibility
We are ready to fulfill orders of any size, from 1 to 1000 pieces, with the same care and speed.
👨🔧 Accurate Calibration Checks
Each valve is tested by two different operators using two different certified pressure gauges to ensure maximum precision.
🔍 Total Material Traceability
Complete Traceability of Materials Used, 100% Italian, to Ensure Maximum Product Control and Quality
Applications and Industries
The D10 series free discharge safety valve can be made in brass or stainless steel, and is available with connections in 3/8" or 1/2". Designed for gases, and steam, it offers exceptional performance in harsh industrial environments. Thanks to its compact and robust design, it is ideal for securing your system, ensuring maximum performance with any fluid across a wide range of applications.
- Food & Beverage
- Pharmaceutical, Chemical, and Healthcare
- Steam Generators and Boilers
- Refrigeration and Air Conditioning
- Oil & Gas
- Compressors
- Hydrogen, Methane, Biogas, and Cogeneration
- Coffee Machines
- Railways
- Wine and Brewing
Approvals and Certifications
The D10 free discharge safety valve has been designed to ensure maximum reliability and compliance with international standards.
This safety valve can be supplied with the main certifications recognized globally, including:
- CE (Europe)
- ASME (America-Middle East)
- UKCA (United Kingdom)
- SELO - CSEI (China)
- CRN (Canada)
- EAC (Russia-Estern Europe)
- EAC Ex (Russia)
- Atex (Europe)
- UKEX (United Kingdom)
Upon request, the safety valve can undergo 3.2 testing with the most renowned certification bodies, such as:
- INAIL
- TUV
- RINA
- LLOYD
- DNV
- ABS
Configurations
The D10 series includes three different available configurations:
- D10 - Version with non-gas-tight ring nut/ rotalift. Recommended for non-hazardous fluids.
- D10/S - Simple closed version without testing devices. Recommended for hazardous fluids and liquids.
- D10/P - Protective bell version without testing devices. Recommended for outdoor environments.
Safety valve features
| Safety valve series | D10 |
|---|---|
| Configurations | D10 - D10/S - D10/P |
| Inlet Orifice (do) | 10 mm |
| Inlet Area | 78,5 mm2 |
| Design Pressure | 60 barg |
| Set Pressure range | 0,3 barg - 60 barg |
| Reduced Coefficient of discarge (Kdr) | 0,77 - 0,712 (ASME-CRN-SELO) |
| Safety valve material | Brass - Inox |
| Seat Gasket | N.B.R. (-10 / + 100 °C) |
| E.P.D.M. (-50 / + 150 °C) | |
| VITON (-20 / +200 °C) | |
| SILICONE (-60 / +200 °C) | |
| PTFE (-196 / +250 °C) | |
| FFKM (-20 / +250 °C) | |
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| Inlet connection | G.3/8" - 1/2" ISO228 |
| R.3/8" - 1/2" EN10226 | |
| 3/8" - 1/2" NPT | |
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| Outlet connection |
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Technical Product Specifications
Catalogue Download
3D Drawings Download
Why choose a Nuova General Instruments valve?
Choosing a Nuova General Instruments safety valve means relying on a product designed and manufactured according to the highest quality and safety standards. In addition to our years of experience and continuous focus on innovation, we offer a range of dedicated services to best support our customers at every stage, from product selection to after-sales assistance:
Quick shipping
Whatever Nuova General Instruments safety valve you need, and regardless of the quantity requested, we guarantee its production within 10 working days.
Do you have an urgent need for even faster delivery? No problem! With our Fast Track channel, we will reduce processing time to just 5 working days, ensuring maximum efficiency without compromising on quality.
Note: For 3.2 testing by external certification bodies, delivery times will depend on the availability of the certifying body.
Batch flexibility
Whether you need just one safety valve or large batches up to 1000 pieces, Nuova General Instruments guarantees the same level of care, attention, and precision in every single product.
Thanks to our flexible production organization, we can meet both small orders and large-scale requests, always maintaining the high-quality standards that distinguish us. Additionally, we adhere to the fast delivery times mentioned above, ensuring efficiency and reliability without compromise.
Personalizations
Attention to detail and customization options are key elements that distinguish Nuova General Instruments safety valves. We offer tailored solutions to simplify the identification, traceability, and integration of our valves into your systems:
- Laser marking of valve codes and your logo for complete product customization.
- Colored protective caps to quickly identify the valve’s calibration.
- Removable labels with barcodes to easily track valve serial numbers directly on your system.
These features allow you to have immediate and precise control over your devices, improving the management and safety of your system.
Third party inspection
To ensure maximum reliability and provide additional confirmation of the correct calibration of the safety valve, we offer the option to obtain 3.2 test certificates issued by the most prestigious certification bodies.
Thanks to these tests performed by independent organizations, you can be certain that your safety valve meets the highest standards in terms of quality and performance. Among the available certifying bodies:
- INAIL
- TUV
- RINA
- LLOYD
- DNV
- ABS
Online certificates
Thanks to our certification portal, you’ll have immediate and unlimited access to all essential documentation related to your safety valve. In just a few clicks, you can view and download certificates, declarations of conformity, and other key documents, ensuring easy and always-available management of the technical information for your plant’s valves.
Samples
Ensuring that the Nuova General Instruments safety valve is perfectly suited to your system is our priority. That’s why we offer the possibility to manage a sample supply, allowing you to test our safety valves (PSVs) directly before proceeding with regular orders.
Throughout the process, you’ll have the support of our specialized technical staff, ready to answer any questions and provide the assistance needed to ensure the valve meets all your technical and operational requirements.
Special connections
Need a custom valve connection, different from our standards or based on your own design? No problem! Our technical team is ready to support you at every stage — from structural analysis to the creation of the ideal connection for your safety valve.
Thanks to our experience and production flexibility, we can adapt to a wide range of application needs, delivering reliable solutions that comply with industry standards. Contact us to find the perfect configuration for your system.
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