Tank Blanketing Valves
Product Overview
Our tank blanketing valves provide precise control of inert gas flow into storage tanks, maintaining a positive pressure blanket that protects stored products from atmospheric contamination. These systems are essential for maintaining product quality, safety, and compliance with industry regulations.
Designed with advanced pressure sensing technology, our blanketing valves automatically adjust gas flow to maintain optimal pressure levels while minimizing gas consumption and operational costs.
Technical Specifications
General Specifications
| Parameter | Value |
|---|---|
| Pressure Range | 0.5 to 150 PSIG |
| Temperature Range | -40°F to 450°F (-40°C to 232°C) |
| Flow Capacity | Up to 500 SCFM |
| Accuracy | ±0.5 PSI |
| Body Materials | 316SS, Carbon Steel, Hastelloy |
Performance Data
| Parameter | Value |
|---|---|
| Inlet Pressure | Max 250 PSIG |
| Outlet Pressure | 0.5 to 150 PSIG |
| Cv Range | 0.1 to 25.0 |
| Response Time | < 1 second |
| Leak Rate | < 0.1 SCFH |
Available Options
Connection Types
- • NPT (1/4" to 2")
- • Flanged (1/2" to 4")
- • Socket Weld
- • Butt Weld
Seat Materials
- • PTFE
- • Viton
- • Buna-N
- • EPDM
Special Options
- • Heated version
- • Cryogenic service
- • High purity
- • Sanitary
Installation & Operation Manual
Important: This is a summary of the complete manual. Please download the full PDF documentation for detailed instructions.
Safety Instructions
- Always depressurize the system before installation or maintenance
- Use appropriate personal protective equipment (PPE)
- Ensure proper grounding and bonding of all components
- Follow all local and national safety regulations
- Only qualified personnel should perform installation
Installation Procedure
- Preparation: Verify all components match the specification sheet
- Mounting: Install valve in horizontal position with proper supports
- Connection: Make all connections using approved fittings and materials
- Pressure Testing: Perform leak test at 1.5 times maximum operating pressure
- Calibration: Set pressure according to application requirements
- Final Inspection: Verify all connections are tight and properly sealed
Operation Guidelines
Normal Operation
- Monitor inlet and outlet pressures regularly
- Check for any unusual noises or vibrations
- Verify proper pressure blanket maintenance
- Keep area around valve clean and accessible
Emergency Shutdown
- Close upstream isolation valve immediately
- Vent downstream pressure safely
- Isolate the tank if pressure exceeds safe limits
- Contact supervisor for emergency procedures
Maintenance Schedule
| Frequency | Maintenance Task |
|---|---|
| Daily | Visual inspection, pressure check |
| Monthly | Leak test, connection tightness |
| Quarterly | Calibration verification, cleaning |
| Annually | Complete overhaul, seal replacement |
Product Literature & Resources
Technical Documents
Complete Technical Catalog
Comprehensive product specifications and data
Engineering Guide
Design and selection guidelines
Material Compatibility Chart
Chemical resistance and material selection
Request for Quote
Request for Quote (RFQ) Form
Download and complete this form to submit your blanketing valve requirements for quotation
Case Studies & Applications
Oil & Gas Terminal Application
Real-world implementation case study
Chemical Storage Solutions
Success stories and testimonials
Safety Compliance Guide
Industry standards and regulations
Ready to Serve Your Industry?
Contact our team today to discuss how ZIRCO can provide specialized solutions for your industry needs with expertise spanning over 40 years of service across Western Canada.