1. Product Overview

ParameterSpecification
Product NameTriple Offset Butterfly Valve Class 600 (Metal Seated)
SpecificationAPI 609 / API 6D Metal-Seated Triple-Offset Butterfly Valve, Class 600, Bi-Directional Zero Leakage
CategoryButterfly Valves -- Triple Offset
StandardAPI 609, API 6D, ASME B16.34, API 598
ApplicationsHigh-Temperature Hydrocarbon Isolation, Refineries, Petrochemical, Power

2. Materials of Construction

ParameterSpecification
Body MaterialASTM A216 WCB / A351 CF8M
DiscSS316 / Stellite-faced, triple-offset geometry
SeatLaminated SS316 + graphite metal seat (torque-seated)
ShaftSS316 / 17-4PH, blowout-proof
BearingsSS316 / PTFE-lined
BoltingASTM A193 B7 / A194 2H
StandardAPI 609, API 6D, ASME B16.34, API 598
Alternative MaterialsA217 WC6 high-temp body, Inconel overlay seat, and API 607 fire-safe option on request

3. Technical Specifications

ParameterSpecification
Valve Size Range3" to 48" (DN80 – DN1200)
Pressure RatingASME Class 600
Shell Test PressureHydrostatic 15.3 MPa (2225 psi)
Seat Test PressureHydrostatic 11.2 MPa (1630 psi)
End ConnectionDouble Flanged / Lugged RF per ASME B16.5 / Butt Weld
Face-to-FaceAPI 609 / ASME B16.10
OperationMetal-seated triple-offset disc gives frictionless, bi-directional zero-leakage (ISO 5208 Rate A) shut-off for high-temperature hydrocarbon isolation -- gear or actuator operated, API 607 fire-safe option

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 Triple Offset Butterfly Valve Class 600 (Metal Seated) comply with?

The Triple Offset Butterfly Valve Class 600 (Metal Seated) is designed, manufactured, and tested in accordance with API 609, API 6D, ASME B16.34, API 598. Compliance documentation and Material Test Certificates (EN 10204 3.1) are provided with every order.

What materials of construction are available for the Triple Offset Butterfly Valve Class 600 (Metal Seated)?

Standard construction is ASTM A216 WCB / A351 CF8M. 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 Triple Offset Butterfly Valve Class 600 (Metal Seated) cover?

It is offered in 3" to 48" (DN80 – DN1200) with ASME Class 600. End connections include flanged (RF / RTJ), butt-weld, socket-weld, and screwed ends as per specification.

Can Supreme Valves supply the Triple Offset Butterfly Valve Class 600 (Metal Seated) 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 Triple Offset Butterfly Valve Class 600 (Metal Seated)?

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 Triple Offset Butterfly Valve Class 600 (Metal Seated)?

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.