Apollo 38 Series Vacuum & Atmospheric Vacuum Breaker
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✔ Apollo 38 Series – ASME Rated, CRN Registered
✔ Vacuum & Atmospheric Relief Valve – Vacuum / Atmospheric Relief
✔ Multiple Sizes & Pressure Settings – Select from Dropdown
High Demand Item – Frequently Reordered by Contractors
Apollo 38 Series vacuum & atmospheric relief valve for vacuum / atmospheric relief service. Bronze / Brass body, MNPT connections. ASME rated and CRN registered. Multiple sizes and pressure settings available — select from the dropdown above.
Designed to protect piping systems and pressure vessels from overpressure. Automatically opens to relieve excess pressure and reseats when pressure returns to safe operating range.
Applications
- Hot water heater and boiler overpressure protection
- Steam and air system pressure relief
- HVAC and hydronic heating systems
- Commercial and industrial pressure vessel protection
Key Features
- Series: 38 Series
- Type: Vacuum & Atmospheric Relief Valve
- Service: Vacuum / Atmospheric Relief
- Body: Bronze / Brass
- Connection: MNPT
- ASME Rated
- CRN Registered
Specifications
| Attribute | Value |
|---|---|
| Series | 38 Series |
| Valve Type | Vacuum & Atmospheric Relief Valve |
| Service | Vacuum / Atmospheric Relief |
| Body Material | Bronze / Brass |
| Connection | MNPT |
| Certifications | ASME Rated, CRN Registered |
Frequently Asked Questions
What pressure settings are available?
Multiple pressure settings are available — select your size and pressure from the dropdown above. Contact us if you need a setting not listed.
Is this valve ASME rated?
Yes. Apollo 38 Series safety relief valves are ASME rated and CRN registered for use in pressure systems across North America.
Can I get test reports or certifications?
Factory test reports and certification documents are available upon request. Contact us at sales@pvfpro.com.
Why Contractors Choose This Product
- CRN registered — compliant across Canadian jurisdictions
- ASME rated — compliant for pressure vessel and boiler service
- Bronze / Brass body — reliable in hot water, steam, and air service
- Wide range of sizes and pressure settings available
- Factory test reports available on request
✔ Bulk Pricing Available
✔ Fast Shipping from Multiple U.S. Warehouses
✔ Built for Contractors, Not DIY
Buying in volume? Contact us for contractor pricing or bulk discounts.