SATPC0042859 Tab 04 4 SOW.pdf
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- Dome Loaded Regulator
- Solicitation number
- 80NSSC27944860Q
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This is a Statement of Work (SOW) for the procurement of a dome-loaded pressure regulator for NASA Stennis Space Center. The regulator must be designed for high-pressure gaseous nitrogen and helium service and must meet specific technical and operational requirements to ensure compatibility with existing systems at the facility.
The technical specifications require stainless steel or equivalent corrosion-resistant materials for body and wetted parts, with 4-inch Grayloc 4GR31 hub end connections and an AS5202-8 dome load port. The regulator must achieve a minimum Maximum Allowable Working Pressure (MAWP) of 6,000 PSIG, with likely operating ranges of 4,000 PSIG inlet/2,500 PSIG outlet (maximum), 3,500 PSIG inlet/1,500 PSIG outlet (nominal), and 2,500 PSIG inlet/500 PSIG outlet (minimum). Additional performance requirements include a flow capacity of up to 80 lbm/sec of gaseous nitrogen, a minimum flow coefficient (Cv) of 80, and the capability to maintain stable downstream pressure across specified ranges. The vendor must deliver the regulator within 24 weeks after receipt of order to Building 2204 at NASA Stennis Space Center, Mississippi, and provide one set of spare soft goods. All testing and burst pressures must comply with ASME standards, and the vendor is required to supply material certifications, hydrostatic/pressure test reports, dimensional drawings, and technical data sheets for all pressure-containing components.
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Other files
| File | Type | Posted |
|---|---|---|
| SATPC0042859 Tab 10 4 Questions.pdf | ||
| SATPC0042859 Tab 10 4 Questions.pdf | ||
| SATPC0042859 Tab 10 1 RFQ.pdf |
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Text version
Procurement of Dome-Loaded Pressure Regulator
1. Scope The purpose of this Statement of Work (SOW) is to procure a dome loaded pressure regulator suitable for high-pressure gaseous nitrogen/helium service at NASA Stennis Space Center. The regulator shall meet the technical and operational requirements defined herein to ensure compatibility with existing systems.
2. Technical Requirements
2.1 Construction & Design
• Body & Wetted Parts: Stainless steel or equivalent corrosion-resistant materials suitable for gaseous nitrogen and gaseous helium service.
• End Connections: 4-inch Grayloc 4GR31 hubs.
• Dome Load Port: AS5202-8
• Spare Parts: 1 set of spare soft goods
2.2 Performance Specifications
• Maximum Allowable Working Pressure (MAWP): 6,000 PSIG minimum.
• Operating Pressure Ranges: Note: Max/Min ranges can vary.
− Likely Maximum: 4,000 PSIG inlet, 2,500 PSIG outlet − Likely Nominal: 3,500 PSIG inlet, 1,500 PSIG outlet − Likely Minimum: 2,500 PSIG inlet, 500 PSIG outlet
• Flow Capacity: Up to 80 lbm/sec GN2.
• Flow Coefficient (Cv): Minimum 80.
• Regulation Performance: Capable of maintaining stable downstream pressure across the specified flow and pressure ranges.
3. Delivery & Lead Time
• Lead Time: Delivery within 24 weeks after receipt of order (ARO).
• Delivery Location: Bldg. 2204, NASA Stennis Space Center, MS
4. Quality & Compliance
• Standards & Codes: Testing & Burst pressures shall be ASME Compliance
• Documentation: Vendor shall supply material certifications for all pressure containing components, hydrostatic/pressure test reports, dimensional drawings, technical data sheets, etc.
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