The 16Mo3 Butt Welding Globe Valve is a critical service valve engineered exclusively for high-temperature, high-pressure applications in thermal power stations. Constructed from 16Mo3 molybdenum-alloyed steel, it offers exceptional creep resistance and oxidation stability at elevated temperatures. The butt welding ends provide a permanent, leak-proof connection essential for main steam lines, boiler headers, and turbine bypass systems. Designed with hardfaced seats and a robust pressure-seal bonnet, this globe valve delivers reliable shut-off and precise throttling under severe thermal cycling conditions, ensuring safety and operational integrity in demanding power generation environments.
Technical Attributes & Specifications
1. **Body Material:** 16Mo3 (1.5415) Chrome-Molybdenum steel.
2. **Connection Type:** Butt-Weld (BW) ends for high-pressure integrity.
3. **Pressure Class:** Typically PN63 to PN420 or Class 600 to 4500.
4. **Temperature Range:** Optimized for service up to **530°C**.
5. **Design Standard:** EN 12516, ASME B16.34, or DIN 3356.
6. **Face-to-Face Standard:** DIN 3202 or ASME B16.10.
7. **Seating Material:** Hard-faced Stellite (CoCr alloy) for erosion resistance.
8. **Stem Material:** Stainless steel (X20Cr13 or similar) for high-temp strength.
9. **Packing Material:** Flexible graphite with corrosion inhibitors.
10. **Operation:** Manual handwheel, electric actuator, or pneumatic drive.
11. **Bonnet Type:** Pressure-seal bonnet (for high pressure) or bolted bonnet.
12. **Flow Pattern:** Straight-through or Y-pattern (oblique) for reduced pressure drop.
13. **Sealing:** Metal-to-metal contact for long-term durability.
14. **Corrosion Resistance:** High resistance to hydrogen attack and creep.
15. **Weld Prep:** Beveled ends according to ASME B16.25 or DIN 2559.
16. **Nondestructive Testing (NDT):** 100% Radiographic or Ultrasonic testing on weld ends.
17. **Leakage Class:** Rate A (Zero leakage) according to EN 12266-1.
18. **Application:** Superheated steam, feedwater, and thermal oil systems.
19. **Maintenance:** In-line repairable seat and disc designs.
20. **Safety:** Equipped with a back-sealing feature to protect stem packing when open.
Contact: Jorge Yang
Phone: +86-13588258503
E-mail: sales@fluvalve.com
Whatsapp:+86-13588258503
Add: Room 331, South Building,Building 1, No.3 Jinpeng Street, Sandun Town, Xihu District, Hangzhou City, Zhejiang Province
