BUROCCO Control Valve 3500 Series - Low-Flow Valve is a micro flow control device designed for low-flow laboratory scenarios. It features a robust and compact structure with high-precision control performance (control range up to 50:1). Core components are made of stainless steel to adapt to various harsh working conditions, and all products are tested and calibrated before delivery for long-term maintenance-free use.
1. Core Technical Parameters
Size Range: DN 4-10 (equivalent to 1/4 inch)
Pressure Range: UNI/DIN PN40, ANSI 300 (optional custom pressure PN63/100)
Connection Type: Threaded (1/4"GAS, NPT), Welded (BW, SW)
Seal Class: Metal Seal (Class IV-VI)
Valve Plug Characteristic: Standard as Equal Percentage (eqp%), optional Linear Valve Plug
Actuator Type: Pneumatic Diaphragm Actuator (max. air supply pressure 3 bar)
Temperature Range: -30 to +180?
2. Product Features & Application Scenarios
Core Features: Micro design for low-flow scenarios, high control precision (up to 50:1 range); valve body made of AISI 316L stainless steel bar, actuator and yoke made of AISI 304 stainless steel, with robust and corrosion-resistant structure; tested and calibrated before delivery for long-term stable operation without maintenance.
Application Scenarios: Precision fluid control in low-flow laboratory environments.
3. Optional Features
Valve Plug Configuration: Linear Valve Plug
Valve Body Material Upgrade: Special Alloys (Hastelloy, Duplex Alloy, Monel)
Pressure Customization: Custom Pressure PN63/100
Control Accessories: Valve Positioner, Limit Switch, Position Feedback, Air Regulator
4. Material Configuration
| Component | Material Specification |
|---|---|
| Valve Body | AISI 316L |
| Valve Plug | 17-4PH, AISI 316Ti, NITRONIC 50, AISI 316Ti |
| Valve Stem | AISI 316L |
| Packing | PTFE, PTFE+'OR' FPM |
| Gasket | PTFE |
| Actuator | Stainless Steel |
| Valve Yoke | Stainless Steel |
5. Flow Coefficient (CV/KVs)
| DN | CV | KVs |
|---|---|---|
| 4-10 | 0.3 | 0.26 |
| 4-10 | 0.2 | 0.17 |
| 4-10 | 0.1 | 0.09 |
| 4-10 | 0.08 | 0.068 |
| 4-10 | 0.06 | 0.051 |
| 4-10 | 0.05 | 0.043 |
| 4-10 | 0.03 | 0.026 |
| 4-10 | 0.02 | 0.017 |
| 4-10 | 0.01 | 0.009 |
6. Standard Dimensions (mm) & Weight
Standard Dimensions: Only DN 4-10 has specifications: A=97, B=150, C=68, D=Ø140
Standard Weight: 3.3 kg (Excluding Accessories)
7. Brand Statement
Burocco reserves the right to improve the product, and changes will be made without prior notice.
