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Supreme Valves India

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Thermodynamic Steam Trap -- Disc Type Carbon Steel 800 PSI

High-Pressure Self-Acting Condensate Drainage for Steam Systems

Document No.SV-DS-STE-001
RevisionRev A
DateMay 2026
ManufacturerSupreme Valves India, Ahmedabad, Gujarat, India

This datasheet covers thermodynamic disc-type steam traps in carbon steel for high-pressure steam drainage, tracing, and process equipment condensate removal rated to 800 PSI.

Technical Specifications
ParameterSpecification
Trap Size RangeDN15 to DN50 (1/2" to 2")
Pressure RatingPN40 / Class 300 / 800 PSI max operating
Body MaterialWCB carbon steel or CF8M (SS316) for corrosive condensate
Disc MaterialSS410 hardened disc with ground seat
Seat MaterialSS410 integral seat, lapped to disc
Maximum Operating Pressure80 bar g (800 PSI)
Maximum Operating Temperature+425°C (saturated steam)
Capacity500 kg/h to 4,000 kg/h depending on size and differential pressure
End ConnectionsScrewed NPT / BSPT, socket weld, flanged
BlowdownFixed thermodynamic blowdown; variable on request
Air VentingAutomatic air venting on start-up; insoluble air pocket above disc prevents air binding
Materials of Construction
ComponentMaterial
BodyWCB carbon steel, investment cast or forged, machined seat bore
CoverWCB carbon steel, threaded or bolted cover with gasket groove
DiscSS410 hardened to 45 HRC, precision ground, self-aligning to seat
SeatIntegral SS410 in body or replaceable seat ring, lapped to disc
FilterSS304 inline strainer with 0.8 mm perforation, cleanable
GasketGraphite compressed sheet or spiral-wound SS316 + graphite
Insulation CapSS304 cap with integral air vent for outdoor installation
Testing & Inspection
TestRequirement
Test StandardISO 7842 / EN 26948 cold water test
CertificationCE, ISO 9001, IBR
Applicable Standards
StandardDescription
Design StandardISO 6552 / EN 26704

Notes

Frequently Asked Questions

Which standards does the Thermodynamic Steam Trap -- Disc Type Carbon Steel 800 PSI comply with?

The Thermodynamic Steam Trap -- Disc Type Carbon Steel 800 PSI is designed, manufactured, and tested in accordance with applicable API / ASME / BS / ISO international standards. Compliance documentation and Material Test Certificates (EN 10204 3.1) are provided with every order.

What materials of construction are available for the Thermodynamic Steam Trap -- Disc Type Carbon Steel 800 PSI?

Standard construction is carbon steel, stainless steel (CF8 / CF8M), and special alloy grades. 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 Thermodynamic Steam Trap -- Disc Type Carbon Steel 800 PSI cover?

It is offered in a range of sizes as per the technical specification with standard ANSI / ASME pressure classes (PN ratings on request). End connections include flanged (RF / RTJ), butt-weld, socket-weld, and screwed ends as per specification.

Can Supreme Valves supply the Thermodynamic Steam Trap -- Disc Type Carbon Steel 800 PSI 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 Thermodynamic Steam Trap -- Disc Type Carbon Steel 800 PSI?

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 Thermodynamic Steam Trap -- Disc Type Carbon Steel 800 PSI?

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.