Nitrile Rubber Seal Material 4 inch Manual Emergency Shut-off Valve
Aluminum alloy manual 4 inch emergency shut-off valve designed to prevent media leakage in transportation systems.
Key Features
- Installed at the bottom of tanks for emergency shut-off
- Remotely controlled by manual bracket
- Valve disc seal located inside the tank
- Cut-off groove design for emergency separation
- External handle for smooth opening/closing
- Fusible element for automatic high-temperature closure
Technical Specifications
| Nominal Diameter |
4" |
| Positive Pressure |
0.6Mpa |
| Weight |
5.3kg |
| Main Material |
Aluminum Alloy |
| Design Temperature |
-20°C to +50°C |
| Applicable Media |
Light fuel |
| Seal Material |
Nitrile rubber, Fluoro rubber |
| Opening Method |
Manual |
Operation Principle
The valve is designed with a cut-off groove on the valve body. When subjected to violent external force, the valve body disconnects along this groove, separating the pipeline from the tank while maintaining tank sealing integrity, effectively preventing media leakage.
Product Images
Packaging & Shipping
Our Services
We offer professional OEM/ODM services with complete in-house capabilities from design to production. Our facility includes:
- Professional design team
- Precision CNC lathe machines
- Reliable testing equipment
- Full process control from design to finished product testing
Company Information
Hubei Huate Special Equipment Co., Ltd., founded in 2009, operates from a 30,000 square meter facility. We maintain GB/T19001-2016 quality management certification and hold multiple industry certifications including:
- Safety management system certification (2019)
- Environmental protection certification (2019)
- High-tech enterprise certification (2020)
- Emergency shut-off valve industrial production license
- Dangerous goods production license
We specialize in IoT-enabled intelligent special-purpose vehicles and provide comprehensive safety solutions for the transportation industry.
Frequently Asked Questions
Are you a trading company or manufacturer?
We are factory.
How long is your delivery time?
5-10 days for in-stock items, 30 days for custom orders (depending on quantity).
Do you provide samples?
Yes, we offer samples (not free) with cost returnable when order reaches 2000pcs.
What are your payment terms?
≤$3000: 100% advance. ≥$10,000: 30% advance, balance before shipment.
How long have you worked in this field?
Over 15 years.
Can you produce according to our drawings/samples?
Yes, we can manufacture products based on customer specifications.