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KOSO 301K / 310K / 332K Straight Through Ball Valves
Product Overview
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.
Features
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
Technical Specifications
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
Applications
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
FAQ
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.
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.
Do you offer fire‑safe design?
Yes, fire‑safe structure is available for applications requiring high safety standards.
Can these valves be used for both on‑off and control?
Yes, they can be equipped with KOSO valve positioners for precise flow regulation.
What is the service life?
Under normal working and maintenance conditions, the service life can reach more than 5 years.
Contact Us
For inquiries, quotations, technical support, and after-sales service: