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Cast Alloy Steel (WC6) Globe Valve, Class 2500# Butt Weld Ends
High-pressure alloy steel globe valve with butt weld ends manufactured by Supreme Valves India. ASTM A217 Gr. WC6 body with Stellite faced plug disc (Trim 5). Designed to BS 1873 / API 623. Size: 50mm (2" NPS) Sch.XXS. Pressure Class: 2500#. Ideal for high-temperature steam, power plant, and refinery piping systems.
Hydraulic Test Pressure
- Body: 653 Kg/Cm²
- Seat: 478 Kg/Cm²
- Pressure Rating: 2500#
Design Standards
- Design & Manufacturing: BS 1873 / API 623
- Face to Face: ASME B 16.10
- Inspection & Testing: API 598 / BS 6755 Part-I
- End Connection: B/W Ends as per ANSI B 16.25 Sch.XXS
- Trim: Trim 5 (Stellite Faced)
Quick Summary – WC6 Globe Valve 2500# Butt Weld
Cast Alloy Steel (ASTM A217 Gr. WC6) Globe Valve with butt weld ends as per ANSI B16.25 Sch.XXS. Pressure Class 2500#. Design: BS 1873 / API 623. Plug type disc with Stellite (ST6) facing for erosion resistance. Body test: 653 Kg/Cm², Seat test: 478 Kg/Cm². Rising stem, bolted bonnet. Size: 50mm (2" NPS). WC6 alloy steel rated for temperatures up to 593°C. Graphite packing and spiral wound gasket with graphoil filler. Supplied by Supreme Valves India, Ahmedabad.
Salient Features
- Design & Manufacturing to BS 1873 / API 623
- Face to Face as per ASME B 16.10
- Inspection & Testing to API 598 / BS 6755 Part-I
- Butt Weld Ends as per ANSI B 16.25 Sch.XXS
- Bolted Bonnet with Rising Stem
- Plug Type Disc with Stellite (ST6) Facing
- Integral Seat Ring – AISI 410 + ST6
- WC6 Alloy Steel Body – Up to 593°C Service
- Spiral Wound Gasket with Graphoil Filler
- Hand Wheel Operated (Malleable Iron)
Materials of Construction (MOC)
| Sr. No. | Description | Material | Qty |
|---|---|---|---|
| 01 | Body | Cast Alloy Steel (ASTM A 217 Gr. WC6) | 1 |
| 02 | Bonnet (Bolted) | Cast Alloy Steel (ASTM A 217 Gr. WC6) | 1 |
| 03 | Stem (Rising) | AISI 410 (13% Cr.) | 1 |
| 04 | Disc (Plug Type) | ASTM A 217 Gr. WC6 + Stellited | 1 |
| 05 | Seat Ring (Integral) | AISI 410 + ST6 | 1 |
| 06 | Bonnet Gasket | S.S. 304 Spiral Wound with Graphoil Filler | 1 |
| 07 | Bonnet Stud & Nut | ASTM A 193 Gr. B7 / ASTM A 194 Gr. 2H | Sets |
| 08 | Hand Wheel | Malleable Iron | 1 |
| 09 | Gland Packing | Graphite Rings | – |
Dimensions (Class 2500# Butt Weld)
| Size | NPS | Schedule | F to F (mm) | A (mm) | B (mm) | Qty |
|---|---|---|---|---|---|---|
| 50mm | 2" | Sch.XXS | 451.0 | 62.0 | 38.2 | 03 Nos. |
Butt weld end preparation: 37.5° ± 2.5° bevel as per ANSI B 16.25. Root face: 1.6 ± 0.8 mm. All dimensions in mm. Tolerance: ±3mm. Face to Face as per ASME B 16.10.
Butt Weld End Preparation
End Connection Standard
ANSI B 16.25 Sch.XXS
Bevel Angle
37.5° ± 2.5°
Root Face
1.6 ± 0.8 mm
Wall Thickness
As per Schedule XXS (Extra Extra Strong)
Technical Specifications
Why Choose WC6 Alloy Steel for Butt Weld Valves?
High Temperature Service
WC6 (1.25% Cr – 0.5% Mo) rated for continuous service up to 593°C (1100°F). Ideal for superheated steam and hot oil systems.
Stellite Hard-Facing
Trim 5 with Stellite (ST6) overlay on disc and seat provides exceptional erosion, galling, and wear resistance for throttling service.
Butt Weld Integrity
Permanent welded connection per ANSI B16.25 eliminates gasket failures. Zero leak potential at 2500# pressure class.
Full Certification
Complete MTC (Mill Test Certificates), hydraulic test reports, and third-party inspection available. BS 1873 / API 623 compliant.
Applications
Power Plants
Superheated steam lines, boiler feed water, main steam isolation, and turbine bypass systems in thermal and nuclear power plants.
Refineries & Petrochemical
High-temperature process piping, catalytic cracker units, hydrocracker service, and hot oil circulation systems.
Chemical Processing
High-pressure reactor systems, heat exchangers, and elevated temperature chemical process lines requiring alloy steel construction.
Oil & Gas / EPC Projects
High-pressure wellhead piping, gas processing plants, and EPC project supply with complete documentation and third-party inspection.
Need a Custom Quote for Butt Weld Valves?
Supreme Valves India supplies WC6, WC9, C5, C12 alloy steel globe valves with butt weld ends in Class 150 to 2500. Contact our technical team for pricing, drawings, and delivery.