Introducing the remarkable QFBV Model Flange Ball Valve, your go-to solution for flawless on/off applications. This full bore, quarter turn valve offers versatility like no other. Whether you prefer manual operation or need the convenience of automation with electric or pneumatic options, this valve is designed to meet your needs. Comprising a straightforward two-piece construction, it ensures effortless maintenance, promising a long working life. It's the top choice for both industrial settings and utility services. With a wide array of seats and body materials available, the QFBV Flange Ball Valve seamlessly adapts to diverse industry applications, making it an indispensable asset.
Testing
- Body Strength Test: Adhering to the rigorous standards of BS EN 12266-1, this valve undergoes a stringent test at 1.5 times the PN, ensuring unmatched durability and performance under pressure.
- Seat Tightness Test: Conducted in line with BS EN 12266-1 at 1.1 times the PN, achieving ISO 5208 Rate A. This test guarantees exceptional sealing capabilities, preventing leaks and ensuring reliable operation.
- Pressure Testing: Tested meticulously to meet BS EN ISO 5208 standards, reinforcing the valve's capability to withstand high pressures without compromising its integrity.
Features
- Crafted with a two-piece ductile iron body, this valve boasts a full bore design, allowing maximum flow and efficiency in your system.
- Engineered with a floating seat, spherical seat, and floating ball, combined with adaptive sealing, this valve also features a fireproof design, making it ideal for fire protection pipe systems.
- The valve seat's symmetrical design ensures seamless switching, hassle-free installation, and impeccable sealing, all of which are non-directional, providing unparalleled versatility.
- Utilizing a wear-resistant bushing design, the valve stem guarantees minimal torque and extended lifespan. The innovative self-tightening upper seal design ensures zero leakage, even under high pressure.
- The upper flange is meticulously crafted to comply with the ISO5211 standard, ensuring compatibility and ease of integration into your systems.
- With a ball that is either solution treated or hard chrome plated, this valve guarantees remarkable material stability and surface wear resistance, enhancing sealing performance and extending product life.
- The handle is designed with a positioning lock, ensuring easy installation and reliable operation, adding an extra layer of convenience.
| No. |
Part Name |
Material |
Standard |
| 1 |
Body |
Ductile Iron |
EN GJS500-7 |
| 2 |
Bonnet |
Ductile Iron |
EN GJS500-7 |
| 3 |
Ball |
Stainless Steel |
SS304 |
| 4 |
Stem |
Stainless Steel |
SS304 |
| 5 |
Packing |
Rubber |
PTFE |
| 6 |
Hand Lever |
Ductile Iron |
EN GJS500-7 |
Dimensions
| INCH |
DN |
L |
D |
D1 |
b |
n-φD |
| PN10 |
PN16 |
| 1-1/4'' |
32 |
130 |
140 |
100 |
19 |
4-φ19 |
| 1-1/2'' |
40 |
140 |
150 |
110 |
19 |
4-φ19 |
| 2'' |
50 |
150 |
165 |
125 |
19 |
4-φ19 |
| 2-1/2'' |
65 |
170 |
185 |
145 |
19 |
4-φ19 |
| 3'' |
80 |
180 |
200 |
160 |
19 |
8-φ19 |
| 4'' |
100 |
190 |
220 |
180 |
19 |
8-φ19 |
| 5'' |
125 |
325 |
250 |
210 |
19 |
8-φ19 |
| 6'' |
150 |
350 |
285 |
240 |
19 |
8-φ23 |
| 8'' |
200 |
400 |
340 |
295 |
22 |
8-φ23 |
12-φ23 |
| 10'' |
250 |
450 |
405 |
355 |
24 |
12-φ23 |
12-φ27 |
For further details, feel free to reach out to us anytime! We are here to assist you with any queries or additional information you may need.
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