Q71F 3-Inch Wafer Ball Valve Stainless Steel Carbon Steel 1.6-4.0MPa -20°C to 350°C Temperature Range
Price:
negotiation
MOQ:
1pc
Delivery Time:
5~25 Work Days
Brand:
CXDLV
Product Description
Product Overview
The Q71F Wafer Ball Valve features a compact 3-inch design constructed from stainless steel and carbon steel components. This Italy model valve offers reliable performance with simple 90-degree operation and excellent fluid control characteristics.
Technical Specifications
Standards & Certifications
Design & Manufacturing: GB/T12237-1989
Connection: JB/T79
Fireproof Test: GB/T13927-1992
Connection: JB/T79
Fireproof Test: GB/T13927-1992
Performance Parameters
Size Range: DN15 ~ DN200
Nominal Pressure: 1.6 ~ 4.0 MPa
Temperature Range: -20°C ~ 350°C
Nominal Pressure: 1.6 ~ 4.0 MPa
Temperature Range: -20°C ~ 350°C
Key Features
Simple structure with minimal components for easy maintenance
Compact design with small size and light weight
Quick 90-degree rotation operation
Excellent fluid control with minimal pressure drop
Frictionless transmission design extends service life
Automatic sealing function with zero leakage
Compatible with pneumatic and electric control systems
Dimensional Specifications
| Size | φd | φR | φC | φD | R | T | L | |
|---|---|---|---|---|---|---|---|---|
| 15 | 1/2" | 15 | 45 | 65 | 95 | 2 | 14 | 35 |
| 20 | 3/4" | 20 | 55 | 75 | 105 | 2 | 14 | 38 |
| 25 | 1" | 25 | 65 | 85 | 115 | 2 | 14 | 42 |
| 32 | 1 1/4" | 32 | 78 | 100 | 135 | 2 | 16 | 50 |
| 40 | 1 1/2" | 38 | 85 | 110 | 145 | 3 | 16 | 62 |
| 50 | 2" | 50 | 100 | 125 | 160 | 3 | 16 | 72 |
| 65 | 2 1/2" | 63.5 | 120 | 145 | 180 | 3 | 18 | 95 |
| 80 | 3" | 76 | 135 | 160 | 195 | 3 | 20 | 118 |
| 100 | 4" | 95 | 155 | 180 | 215 | 3 | 20 | 140 |
| 125 | 5" | 118 | 185 | 210 | 245 | 3 | 22 | 195 |
| 150 | 6" | 142 | 210 | 240 | 280 | 3 | 24 | 225 |
Applications
The Q71F Wafer Ball Valve is widely used across multiple industries including chemical processing, petrochemical, smelting, pharmaceutical, and food production. It effectively handles various media such as SO2, steam, air, gas, ammonia, CO2 gas, oil, water, brine, lye, seawater, nitric acid, hydrochloric acid, sulfuric acid, and phosphoric acid as a regulating and shut-off device on pipelines.
Model Selection Guide
| Model No | Working Pressure (MPa) | Applicable Temperature (°C) | Applicable Medium |
|---|---|---|---|
| Q71F-16P | 1.6 | PTFE≤150 PPL≤250 | Nitrose |
| Q71F-25P | 2.5 | PTFE≤150 PPL≤250 | Nitrose |
| Q71F-16Ti | 1.6 | -20°C ~ 350°C | Oxidizing Corrosive Medium |
| Q71F-25Ti | 2.5 | -20°C ~ 350°C | Oxidizing Corrosive Medium |
Performance Advantages
Eccentric design ensures frictionless transmission between sealing surfaces
Elastic seat generated by torque for reliable performance
Wedge design provides automatic sealing with compensation capability
Compact and lightweight construction for easy installation
Compatible with pneumatic and electric control systems for automation
Interchangeable seat materials for diverse media compatibility
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Wenzhou Xidelong Valve Co. LTD
Location
No566 Binhai 3rd road yongxing subdistrict longwan dist wenzhou zhejiang china
Contact Person
jin