| Payment Terms | T/T |
| Supply Ability | 800 sets per year |
| Delivery Time | 6-8 weeks |
| Packaging Details | Carton/Wooden Case Packaging |
| Full bore size | 1 1/2" (40A) ~ 12" (300A) |
| Reduced bore size | 6" *4" ~ 12" *10" |
| Body rating | ANSI Class 150~300, JIS 10K~20K |
| Fluid temperature | -20 ~ +200°C |
| Body materials | SCPH2/WCB, SCS14A/CF8M |
| Ball materials | SCS14A/CF8M, Buffing |
| Seat leakage | Tight shut off |
| Actuator combination | 6300RB, 6500RA, 7300RA Pneumatic;3200RA, 3300RA, 3400RB Electric |
| Product type | 3-Way Ball Valves |
| Ball finish | Buffing |
| Brand Name | KOSO |
| Model Number | 331L,331T |
| Place of Origin | Japan |
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Product Specification
| Payment Terms | T/T | Supply Ability | 800 sets per year |
| Delivery Time | 6-8 weeks | Packaging Details | Carton/Wooden Case Packaging |
| Full bore size | 1 1/2" (40A) ~ 12" (300A) | Reduced bore size | 6" *4" ~ 12" *10" |
| Body rating | ANSI Class 150~300, JIS 10K~20K | Fluid temperature | -20 ~ +200°C |
| Body materials | SCPH2/WCB, SCS14A/CF8M | Ball materials | SCS14A/CF8M, Buffing |
| Seat leakage | Tight shut off | Actuator combination | 6300RB, 6500RA, 7300RA Pneumatic;3200RA, 3300RA, 3400RB Electric |
| Product type | 3-Way Ball Valves | Ball finish | Buffing |
| Brand Name | KOSO | Model Number | 331L,331T |
| Place of Origin | Japan | ||
| High Light | KOSO 3-way ball valves with pneumatic actuators ,Pneumatic control valves for petrochemical industry ,6300RB actuator ball valves with warranty | ||
The KOSO 331L and 331T 3-Way Ball Valves paired with 6300RB Pneumatic Actuators are high-performance fluid control solutions engineered for precision and reliability in industrial power and petrochemical systems. This integrated valve-actuator assembly delivers seamless flow diversion, mixing and shut-off control, with the 6300RB actuator providing consistent pneumatic power for fast, accurate valve operation. Built with durable materials and robust design, it meets the stringent demands of continuous industrial processing, ensuring stable performance and long service life in harsh operating environments.
| Parameter | Specification |
|---|---|
| Valve Model | 331L, 331T (3-Way Ball Valve) |
| Actuator Model | 6300RB Pneumatic Actuator |
| Actuation Type | Pneumatic double/single acting (optional) |
| Supply Pressure | 0.4-0.7 MPa (standard) |
| Operating Temperature | -20°C to +180°C (custom range available) |
| Connection Type | Flanged, threaded (per industrial standards) |
| Body Material | Carbon steel, stainless steel (304/316) |
| Ball/Seat Material | PTFE, metal-seated options for high temperature |
| Flow Characteristic | Linear, equal percentage (optional) |
| Pressure Rating | ANSI 150, 300; JIS 10K, 20K |
| Action Mode | Fail close/fail open/fail lock (configurable) |
The 331L features a L-port ball for flow diversion, while the 331T has a T-port ball for flow mixing and diversion, both optimized for different process control needs.
Yes, the 6300RB actuator is available in single-acting (spring return) configuration for fail close or fail open fail-safe operation as required.
They are suitable for water, oil, gas, steam, and most non-corrosive/corrosive process fluids (material dependent).
Yes, it can be equipped with positioners and transducers for integration with PLC, DCS and other digital industrial control systems.
Regular inspection of seals and pneumatic connections, periodic lubrication of moving parts, and filter replacement for pneumatic supply (per operation manual).
Yes, custom body, ball and seat materials are available for high temperature, high pressure or corrosive media applications.
With proper installation and regular maintenance, the assembly delivers a long service life of over 100,000 cycles for standard industrial use.
For product inquiries, technical support, quotation and order placement, please contact us via:
wechat/what's app/phone number:+86 13472860702
Our professional team will provide timely and comprehensive solutions for your fluid control needs.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2015
Total Annual:
30,000,000-50,000,000
Employee Number:
200~300
Ecer Certification:
Verified Supplier
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