Introducing the QFBV Model Flange Ball Valve, a true marvel in valve engineering excellence. This exemplary valve provides a full bore, quarter-turn solution, ensuring flawless on/off applications with unparalleled precision. Available in manual as well as automatic configurations (electric or pneumatic), the valve's robust two-piece construction ensures ease of maintenance and an extended operational lifespan. It is the ultimate choice for industrial applications and utility services, delivering unmatched versatility. With a comprehensive array of seats and body materials, this valve caters to diverse industrial needs, making it the epitome of adaptability.
Testing
- Our Body Strength Test rigorously adheres to the demanding BS EN 12266-1 standards, ensuring that the valve endures a pressure up to 1.5 times its nominal pressure (PN), showcasing its resilience and reliability.
- The Seat Tightness Test is meticulously executed in accordance with BS EN 12266-1, set at a testing pressure of 1.1 times the nominal pressure, complying with ISO 5208 Rate A. This guarantees supreme leakage protection, underscoring our commitment to optimal performance.
- Pressure Testing: BS EN ISO 5208
Features
- Crafted with exquisite precision, this valve features a two-piece ductile iron body and a full bore design, ensuring outstanding flow management and efficiency.
- Equipped with a floating seat, spherical seat, and floating ball alongside adaptive sealing, this valve is crafted with a fireproof design, making it an exceptional choice for fire protection pipelines.
- Featuring an ingeniously engineered symmetrical valve seat design, it secures non-directional switching, installation, sealing, and pressure, thereby amplifying its adaptability.
- The valve stem is refined with a wear-resistant bushing design, ensuring reduced torque and extended durability. Its ingenious self-tightening upper seal design guarantees zero leakage even under high pressure, showcasing its superior engineering.
- The upper flange conforms to the ISO5211 standard, promising compatibility and unwavering reliability in various applications.
- With the ball solution either treated or hard chrome plated, this design ensures exceptional material stability and surface wear resistance, significantly enhancing sealing performance and ensuring longevity.
- Installation is made effortless with the handle, complete with a positioning lock design, simplifying the process.
| 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 any inquiries or detailed information, do not hesitate to reach out to us! Your satisfaction is our utmost priority, and we are here to assist you with any needs.
Audited Supplier 
){kind=link}