KOSO 301K 310K 332K Straight Through Ball Valves Tight Shutoff for Industrial Pipeline Systems

KOSO 301K, 310K, and 332K are straight‑through ball valves designed for reliable on‑off and control service in industrial pipelines. They feature a robust structure, tight sealing, long service life, and stable performance for clean liquids, gases, and steam. Suitable for petroleum, chemical, power, metallurgy, and other general process applications.

• Straight-through flow design for low pressure loss and high flow capacity
• Full bore or reduced bore structure for different working conditions
• Reliable sealing with long service life and low maintenance
• Anti-static design for safe operation in hazardous environments
• Fire-safe design available for high‑safety applications
• Various end connections: flanged, threaded, and welded
• Compatible with pneumatic, electric, and manual actuators
• Corrosion-resistant materials for wide media compatibility

• Model: 301K, 310K, 332K
• Type: Straight Through Ball Valve
• Nominal Size: DN15 to DN300
• Pressure Class: ANSI Class 150, 300, 600
• Body Material: WCB, CF8, CF8M, LCB, etc.
• Ball Material: Stainless Steel, Hardened Alloy
• Seat Material: PTFE, RTFE, Metal Seated
• Operation: Manual, Pneumatic Actuator, Electric Actuator
• Temperature Range: -60℃ to 450℃
• Leakage Standard: ANSI VI for soft seat; ANSI IV for metal seat

• Petroleum & Natural Gas Industry
• Petrochemical and Chemical Processing
• Thermal Power Plants and Industrial Boilers
• Metallurgical Industry
• Water Supply & Wastewater Treatment
• District Heating Systems
• General Industrial Process Pipelines

1. What is the difference between 301K, 310K, and 332K?
   They differ in pressure class, body structure, and application scope to meet low, medium, and high‑pressure working conditions.
2. Are these valves suitable for high‑temperature media?
   Yes, with metal‑seated or high‑temperature soft seats, they can be used in high‑temperature steam and thermal systems.
3. Do you offer fire‑safe design?
   Yes, fire‑safe structure is available for applications requiring high safety standards.
4. Can these valves be used for both on‑off and control?
   Yes, they can be equipped with KOSO valve positioners for precise flow regulation.
5. What is the service life?
   Under normal working and maintenance conditions, the service life can reach more than 5 years.

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