BS& B Type B Solid Metal Rupture Disk 8" 309 Psig | 756021
BS& B Type B solid metal rupture disk designed for precise pressure relief at 309 psig at 27°C. Features 8-inch diameter construction for industrial safety applications.
The BS& B Type B Solid Metal Rupture Disk (Model 756021) provides reliable overpressure protection for industrial process systems. This precision-engineered safety device is designed to rupture at exactly 309 psig at 27°C, ensuring consistent and predictable pressure relief performance in critical applications.
Manufactured with solid metal construction, this rupture disk offers superior durability and resistance to corrosion, making it ideal for harsh industrial environments. The 8-inch diameter design accommodates high-flow applications while maintaining precise burst pressure characteristics. BS& B's Type B series rupture disks are known for their low scatter factor and excellent temperature stability.
Availability
In stock
This part is in stock at Z Power Electric and ships from our Calimesa, California warehouse.
Catalog pricing
Add this item to your cart or contact Z Power Electric for quantity pricing, lead-time support, and backorder recovery.
- 30-day returnsOn standard orders
- 24-hour quoteFrom our sourcing team
Quick facts
- Brand
- BS& B
- Part number
- 756021
- Condition
- New
- Category
- Sensors & Instrumentation
Product tags
Product overview
These rupture disks are commonly used in chemical processing, oil and gas, pharmaceutical, and power generation industries where reliable pressure relief is essential for equipment protection and personnel safety. The solid metal design eliminates the need for knife blades, reducing maintenance requirements and improving safety.
Each disk is manufactured to strict quality standards and comes with certification documentation for traceability and compliance with industry safety regulations including ASME Section VIII requirements.
Specifications
- Burst Pressure
- 309 psig
- Burst Temperature
- 27°C (80.6°F)
- Disk Diameter
- 8 inches
- Construction
- Solid Metal
- Type
- Type B
- Manufacturing Standard
- ASME Section VIII
- Country of Origin
- China
- Manufacturer Part Number
- 20006797-1
Key features
- Solid metal construction for enhanced durability and corrosion resistance
- Precise burst pressure of 309 psig at 27°C with low scatter factor
- 8-inch diameter for high-flow applications
- Type B design eliminates need for knife blade activation
- ASME Section VIII compliant with full certification documentation
- Temperature stable performance across wide operating range
Part number breakdown
756021 Breakdown:
This appears to be BS& B's internal part number system where the prefix likely indicates the Type B solid metal series, and the numerical portion specifies the exact burst pressure, temperature rating, and disk diameter configuration. The MPN 20006797-1 represents the manufacturing part number with revision level.
Why buy from Z Power Electric
- Independent Sourcing — We source through independent channels to find parts others can't.
- Quality Assurance — Every part is inspected and verified before shipping.
- Fast Response — 24-hour quote turnaround on most requests.
- Global Reach — Serving maintenance teams and procurement managers worldwide.
Not what you're looking for? We source alternates, discontinued parts, and backordered inventory for urgent maintenance needs.
Request a quoteQuestions about this part
Where can I buy the BS& B 756021?
This part is in stock at Z Power Electric and ships from our Calimesa, California warehouse. Z Power Electric is an independent MRO supplier in Calimesa, California — we buy outside authorized distribution, which is why we can quote parts that a standard distributor shows as unavailable.
Is the BS& B 756021 discontinued or obsolete?
Manufacturer lifecycle status changes by part number and region, so we confirm it per quote rather than publishing a claim that may be out of date. Either way it does not change what we do: we source discontinued, obsolete, and backordered parts as a matter of course, and the quote states whether we located the original or are proposing an equivalent.
How long does it take to get a quote on the BS& B 756021?
We respond to every sourcing request within 24 hours, and the quote states a confirmed ship date rather than an estimate. Mark the request urgent if the part is holding up a line.
Is Z Power Electric an authorized BS& B distributor?
No — and that is the point. Z Power Electric is an independent supplier, so we are not limited to BS& B's authorized channel or its order book. We source through surplus, new-old-stock, and independent inventory, and we state the condition and source channel of every unit on the quote.
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