B200 Vacuum Relief Valves
B200 Series Overview
ZIRCO is proud to distribute 3B Controls B200 Series vacuum relief valves as the official representative for 3B Controls in Western Canada. These valves ensure that tanks and vessels are kept safe during periods of excessive vacuum caused by emptying of product and changes in temperature due to climatic conditions.
The B200 Series is available in two configurations to meet diverse industrial requirements:
- Weight Loaded: Standard vacuum settings from 2 mbarg to –100 mbarg
- Spring Loaded: Standard vacuum settings from 100 mbarg to –0.8 barg
With lightweight design, factory-tested quality, and certified performance, the B200 Series provides reliable protection for tanks and vessels across Western Canada's industrial sectors.
Why Choose B200 Series?
Low Cost Maintenance
Lightweight design provides easy handling whilst interchangeable components ensure standard parts are easily replaced.
Factory Tested & Certified
All products are factory tested and fully certified to ensure reliable performance and safety compliance.
Self Draining Design
All products are designed so that any condensate drains away from seating areas, preventing corrosion and damage.
Low Leakage
Standard seating design ensures minimum leakage of less than 1 scfh at 90% of set pressure for optimal safety.
Stainless Steel Internals
Internal parts are stainless steel as standard, with exotic materials available upon request for special applications.
Flexible Connections
All valves are supplied with full form flanges to meet individual requirements. Other connections available upon request.
Technical Specifications
General Specifications
| Specification | Details |
|---|---|
| Size Range | 2″ (50 mm) – 12″ (300 mm) |
| Body Materials | Aluminium, Carbon steel, Stainless steel (standard) |
| Trim Material | Stainless steel (standard) |
| Diaphragm Material | PTFE |
| Seats | Removable |
| Flange Standards | ANSI / DIN / JIS / Specials |
| Design | Lightweight construction |
Configuration Options
| Configuration | Vacuum Settings |
|---|---|
| Weight Loaded | 2 mbarg to –100 mbarg |
| Spring Loaded | 100 mbarg to –0.8 barg |
Available Options
| Option | Description |
|---|---|
| Side Mounted Flanged | Alternative mounting option |
| Steam Jackets | For temperature control |
| Proximity Switches | Indicate pallet lift |
| Tri Clamp Connections | Alternative connection type |
| Screwed Connections | Alternative connection type |
| Hazardous Materials | For special applications |
Typical Applications
| Application | Description |
|---|---|
| Tank Protection | Prevents vacuum damage during product emptying |
| Temperature Changes | Protects against climatic temperature variations |
| Hazardous Environments | Special materials available |
| Low Temperature | PTFE coated internals available |
Product Literature & Resources
Technical Documents
B200 Vacuum Relief Valves Brochure
Complete product brochure and specifications
B200 Spring Loaded Variant
Spring-loaded configuration details and specifications
Request for Quote
Request for Quote (RFQ) Form
Download and complete this form to submit your relief valve requirements for quotation
Contact for More Information
ZIRCO is the authorized Western Canada representative for 3B Controls B200 Series Vacuum Relief Valves. Contact our team for:
- Technical specifications and sizing
- Configuration options and recommendations
- Quotations and delivery information
- After-sales service and support
Ready to Protect Your Tanks and Vessels?
Contact our team today to discuss how ZIRCO can provide specialized vacuum relief valve solutions for your industrial applications with expertise spanning over 40 years of service across Western Canada.