4th Floor, Survey No. 235/A and 247/A, E/401, Nr. Bhattha School, Gyaspur, Ahmedabad 382405, Gujarat, India
Branch Office: Mehta House, Relief Road, Ahmedabad 380001
Tel: +91 97732 78770 | Email: info@supremevalves.in | www.supremevalves.in
Technical Datasheet -- Free-Float Ball Steam Traps for Continuous Condensate Discharge
Ball float (free-float) steam traps for continuous condensate discharge in high-capacity steam systems. SS316 ball float rises with condensate level to open the valve, modulating discharge rate proportional to load. No steam loss at light loads. WCB or SS316 body with Stellite-seated valve. Built-in thermostatic air vent. In-line repairable by removing the bolted cover. Suitable for process heating, power generation, refinery, and sugar industry applications up to 40 bar.
| Parameter | Specification |
|---|---|
| Product Type | Ball Float Steam Traps |
| Category | Steam Traps |
| Product Type | Ball Float Steam Trap (Free-Float Type) |
| Category | Steam Traps |
| Size Range | 1/2" to 4" (DN15 to DN100) -- other sizes on request |
| Pressure Rating | PN16 / PN40 / Class 150 / Class 300 -- up to 40 bar (580 psi) |
| End Connections | Threaded NPT / BSP, Socket Weld, Flanged RF per ASME B16.5 / EN 1092-1 |
| Body Material | ASTM A216 WCB / ASTM A351 CF8M (SS316) / ASTM A105 (forged carbon steel) |
| Float Material | SS316 seamless float (corrosion resistant) / WCB float (standard industrial) |
| Valve / Seat Material | SS316 with Stellite 6 overlay on seating surface -- ground and lapped to mirror finish |
| Cover / Bonnet | WCB or SS316 bolted cover with spiral wound SS316/graphite gasket |
| Operation Principle | Float-type -- SS316 ball float rises with condensate level, opening the valve proportionally to load |
| Discharge Mode | Continuous modulating -- condensate is discharged continuously at a rate proportional to the steam load, with no cycling |
| Back Pressure Tolerance | Up to 90% of inlet pressure (standard free-float trap) |
| Air Venting | Built-in thermostatic air vent (bi-metal or bimetal strip) automatically vents air and non-condensable gases on start-up |
| Temperature Range | Up to +425 deg C (WCB / SS316) -- up to +540 deg C (WC6 body on request) |
| Component | Material |
|---|---|
| Carbon Steel | ASTM A216 WCB body or ASTM A105 forged body (standard industrial steam) |
| Stainless Steel | ASTM A351 CF8M (SS316) body, float, and valve (corrosive / hygienic service) |
| Alloy Steel | ASTM A217 WC6 body (high-temperature steam > 425 deg C on request) |
| Seat Overlay | Stellite 6 on SS316 valve and seat for erosion resistance at high-velocity condensate discharge |
| Test | Requirement |
|---|---|
| Testing | Hydrostatic shell test 1.5 x WP per API 598 / EN 12266-1; Seat leakage test per API 598 / EN 12266-1; Functional test -- full stroke, torque; Material certificates per EN 10204 3.1 |
| Certification | ISO 9001:2015 QMS, EN 10204 3.1 material certificates, hydrostatic and seat test reports |
| Standard | Description |
|---|---|
| Design Standard | ISO 6552 (reference), BS 6023, manufacturer's standard |
The Ball Float Steam Trap -- WCB High Capacity 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.
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.
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.
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.
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.
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.