Real procurement BOQ pattern

Check Valve — 2 inch, DN50 — Class 300

VALVE TYPE: DUAL PLATE (DUAL DISC) CHECK VALVE, RETAINERLESS, NON-RETURN. SIZE: 2 INCH (DN50, NPS 2). BODY: FORGED CARBON STEEL ASTM A105N. DISC PLATES: FORGED CARBON STEEL (A105N). HINGE PINS: SS316 (ASTM A276 GR. 316). SPRING: INCONEL 625 (UNS N06625) OR INCONEL 718 TORSION SPRING. SEAT: INTEGRAL METAL SEAT (BODY, RETAINERLESS DESIGN). END CONNECTION: FLANGED, RAISED FACE (RF), ASME B16.5 CLASS 300. S

Procurement teams paste BOQ lines like this for Nigeria projects. Supreme Valves India supplies check valve matching size, pressure class, materials, and end connection with export documentation and API 598 hydrostatic testing.

Submit This BOQ WhatsApp RFQ

Quick answer: Supreme Valves supplies Check Valve (2 inch, DN50, Class 300, Flanged RF (ASME B16.5), SS316 / CF8M, Carbon Steel, Inconel Seat) from India with EN 10204 3.1 MTCs and API 598 test reports for Nigeria EPC and trading inquiries.

Specification breakdown (BOQ format)

ParameterTypical RFQ value
Typical BOQ lineVALVE TYPE: DUAL PLATE (DUAL DISC) CHECK VALVE, RETAINERLESS, NON-RETURN. SIZE: 2 INCH (DN50, NPS 2). BODY: FORGED CARBON STEEL ASTM A105N. DISC PLATES: FORGED CARBON STEEL (A105N). HINGE PINS: SS316 (ASTM A276 GR. 316). SPRING: INCONEL 625 (UNS N06625) OR INCONEL 718 TORSION SPRING. SEAT: INTEGRAL METAL SEAT (BODY, RETAINERLESS DESIGN). END CONNECTION: FLANGED, RAISED FACE (RF), ASME B16.5 CLASS 300. S
Valve typeCheck Valve
Size (NPS/DN)2 inch, DN50
Pressure classClass 300
End connectionFlanged RF (ASME B16.5)
Body / trim materialsSS316 / CF8M, Carbon Steel, Inconel Seat
Design featuresPer project specification
Typical inquiry marketNigeria
Standards (when specified)API 598 factory test; API 600/609/594/6D per valve type
Export documentationCommercial invoice, packing list, COO, EN 10204 3.1 MTC, API 598 test report

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NAB Seawater Check

NAB C95800 for marine service.

Frequently asked questions

Can Supreme Valves supply this Check Valve specification?

Yes. We regularly quote check valve with Class 300 rating, flanged rf (asme b16.5) end connection, and ss316 / cf8m, carbon steel, inconel seat per project BOQ. Submit your line list with quantity and destination port for a documented RFQ response within 24 hours.

What documentation is included with the RFQ response?

Typical submittal includes material specification, dimensional outline, API/ASME design reference, EN 10204 3.1 MTC scope, API 598 test protocol, and export packing details. Third-party inspection (SGS, BV, TUV) can be coordinated.

Do you export to Middle East and African EPC projects?

Yes. Supreme Valves exports from Ahmedabad to UAE, Saudi Arabia, Qatar, Oman, Kuwait, Egypt, Nigeria, South Africa, and UK EPC contractors with SABER/SASO documentation support where required.