1. Product Overview

ParameterSpecification
Product NameInline High Pressure Check Valve – Up to 10000 PSI (690 bar)
SpecificationUp to 10000 PSI (690 bar) WP Forged Inline Piston/Spring Check Valve
CategoryNon-Return Valves -- High Pressure
StandardASME B16.34 (Special Class), API 602, NACE MR0175
ApplicationsHydraulic Power Units, Chemical Injection, Well Testing, Offshore High Pressure

2. Materials of Construction

ParameterSpecification
Body MaterialForged ASTM A105 / A182 F316 (Stainless)
Piston / PoppetA182 F316 / 17-4PH
SpringInconel X-750 / SS316
SeatMetal-to-metal / PEEK insert
SealsViton / PEEK
BoltingASTM A193 B7 / B8M
StandardASME B16.34 (Special Class), API 602, NACE MR0175
Alternative MaterialsInconel 625 trim and sour-service NACE configurations on request

3. Technical Specifications

ParameterSpecification
Valve Size Range1/4" to 2" (DN8 – DN50)
Pressure RatingUp to 10000 PSI (690 bar) Working Pressure
Shell Test PressureHydrostatic 103.4 MPa (15000 psi) -- 1.5x WP
Seat Test PressureHydrostatic 75.8 MPa (11000 psi) -- 1.1x WP
End ConnectionNPT / Socket Weld / Flanged / Medium-pressure cone & thread
Face-to-FaceManufacturer Standard
OperationSpring-loaded inline piston check rated to 10000 psi WP -- prevents reverse flow in hydraulic power units, chemical injection, and well-testing high-pressure lines

4. Testing & Inspection

TestRequirement
Shell Test1.5 x Rated Pressure (min)
Seat Test1.1 x Rated Pressure (min) -- Bubble-tight zero leakage
Back Seat Test1.1 x Rated Pressure (where applicable)
Hydrostatic TestWater at ambient temperature
Pneumatic TestAvailable on request
NDT100% MPI/DPT on machined surfaces (if specified)
PMIPositive Material Identification available
Visual InspectionMSS SP-55 / Project specification
Dimensional CheckAs per drawing / standard
MarkingMSS SP-25 / Project specification -- Size, Class, Material, Heat No., Tag No., Serial No.

5. Design Standards & Codes

StandardDescription
API 600 / BS 1414Steel Gate Valves -- Flanged and Butt-Welding Ends
API 623 / BS 1873Steel Globe Valves -- Flanged and Butt-Welding Ends
API 594 / BS 1868Check Valves -- Flanged, Lug, Wafer and Butt-Welding
API 608Metal Ball Valves -- Flanged, Threaded and Welding End
API 609Butterfly Valves -- Double Flanged, Lug and Wafer Type
API 6DPipeline Valves (Ball, Check, Gate, Plug)
ASME B16.34Valves -- Flanged, Threaded and Welding End
ASME B16.5Pipe Flanges and Flanged Fittings
ASME B16.10Face-to-Face and End-to-End Dimensions of Valves
ASME B16.25Buttwelding Ends
MSS SP-25Standard Marking System for Valves
MSS SP-55Quality Standard for Steel Castings
ISO 5208Pressure Testing of Metallic Valves
API 598Valve Inspection and Testing
API 607 / ISO 10497Fire Test for Soft-Seated Quarter-Turn Valves
BS EN ISO 15848-1Fugitive Emission Testing (Class B)

6. Documentation & Certification

DocumentAvailability
Material Test Certificate (MTC)EN 10204 3.1 (standard) / 3.2 (on request)
Factory Test ReportHydrostatic shell test + seat test
NDT ReportMPI / DPT / RT / UT (as specified)
PMI ReportPositive Material Identification
Fire Safe CertificateAPI 607 / ISO 10497 (where applicable)
Fugitive Emission CertificateBS EN ISO 15848-1 Class B (where applicable)
Third-Party InspectionTUV / SGS / BV / Lloyds (client cost)
Calibration CertificatePressure gauges, instruments
Packing ListPer shipment
Commercial InvoiceWith HS code, value, Incoterms
Bill of LadingAs per shipment terms

7. General Notes

  1. All valves are manufactured new and unused by ISO 9001 compliant foundry.
  2. Material Test Certificates (MTC) per EN 10204 3.1 provided as standard; EN 10204 3.2 available on request at additional cost.
  3. Testing performed per ISO 5208 / API 598: Shell test at 1.5 x rated pressure, Seat test at 1.1 x rated pressure -- bubble-tight zero leakage.
  4. Face-to-face dimensions per ASME B16.10 / BS 2080 / Manufacturer standard unless otherwise specified.
  5. Marking per MSS SP-25: Size, Pressure Class, Material, Heat Number, Tag Number, Serial Number, Flow Direction.
  6. Special materials (Duplex, Super Duplex, Inconel, Monel, Hastelloy, Titanium) available on request with extended delivery.
  7. Actuated valves (electric, pneumatic, hydraulic) supplied with ISO 5211 mounting pad and position indicator.
  8. Third-party inspection by TUV, SGS, Bureau Veritas, or Lloyds Register available on request at client cost.
  9. This datasheet is for general reference. Firm specifications to be confirmed upon receipt of confirmed Purchase Order with technical requirements.
  10. For specific project requirements, deviation forms, or material substitutions, please contact our engineering team.

8. Contact & Enquiry

Supreme Enterprise
Industrial Valves & Engineering Solutions
4th Floor, Survey No. 235/A and 247/A, E/401,
Nr. Bhattha School, Gyaspur,
Ahmedabad, Gujarat 382405, India
Branch: Mehta House, Relief Road, Ahmedabad 380001
GST: 24AFAFS5839J1ZQ • IEC: AFAFS5839J

Email: info@supremevalves.in
Phone: +91 97732 78770
Web: www.supremevalves.in

Request Enquiry

Frequently Asked Questions

Which standards does the Inline High Pressure Check Valve – Up to 10000 PSI (690 bar) comply with?

The Inline High Pressure Check Valve – Up to 10000 PSI (690 bar) is designed, manufactured, and tested in accordance with ASME B16.34 (Special Class), API 602, NACE MR0175. Compliance documentation and Material Test Certificates (EN 10204 3.1) are provided with every order.

What materials of construction are available for the Inline High Pressure Check Valve – Up to 10000 PSI (690 bar)?

Standard construction is Forged ASTM A105 / A182 F316 (Stainless). Alternative and upgraded grades -- Duplex, Super Duplex, Inconel, Monel, Hastelloy, and NACE MR0175 trims for sour service -- are available on request.

What sizes and pressure ratings does the Inline High Pressure Check Valve – Up to 10000 PSI (690 bar) cover?

It is offered in 1/4" to 2" (DN8 – DN50) with Up to 10000 PSI (690 bar) Working Pressure. End connections include flanged (RF / RTJ), butt-weld, socket-weld, and screwed ends as per specification.

Can Supreme Valves supply the Inline High Pressure Check Valve – Up to 10000 PSI (690 bar) for export to Saudi Arabia and the Middle East?

Yes. Supreme Valves India is an established exporter of industrial valves to Saudi Arabia (KSA), the UAE, Qatar, Kuwait, Oman, Bahrain, and across the Gulf. We provide sea-worthy export packing, EN 10204 3.1 / 3.2 certification, certificate of origin, and support for SABER / SASO conformity on KSA shipments.

What testing and certification is provided with the Inline High Pressure Check Valve – Up to 10000 PSI (690 bar)?

Every valve undergoes hydrostatic shell and seat testing per API 598 / ISO 5208. Documentation includes EN 10204 3.1 MTC (3.2 on request), NDT reports, and fire-safe (API 607) or NACE MR0175 certification where applicable. Third-party inspection by TÜV, SGS, Bureau Veritas, or Lloyd's Register can be arranged.

What is the minimum order quantity and lead time for the Inline High Pressure Check Valve – Up to 10000 PSI (690 bar)?

Order quantities are flexible -- from single units for stocked items to bulk volumes for project requirements. Lead time depends on size, material, and quantity; please contact our team with your specification for a firm delivery schedule and quotation.