The Curved SVFI has been developed to overcome issues inherent in the processing industry. As it can be difficult to view the middle of a bend without equipment such as boroscopes, it is not easy to ensure the cleanliness of a system. Surface finish cannot be guaranteed at the middle of a bend as it is inaccessible to measuring equipment and not all bends are ‘piggable’, due to their manufacturing method. All of these points can be overcome by using an ACL Curved SVFI.
| Item | Quantity | Description | Material | S/Finish – Grade | Available options |
|---|---|---|---|---|---|
| 1 | 1 | DURAN® Glass bend | Borosilicate 3.3 | Flame polished | – |
| 2 | 2 | C-SVFI Flange end | AISI 316L | SF4 – 0.38Ra EP | C22 / AL6XN |
| 3 | 1 | Body | AISI 316L | 0.8Ra | C22 / AL6XN |
| 4 | 2 | Sealing O-rings | EPDM | FDA / USP VI | FEP / VITON / PC-SIL |
| 5 | 3 | Cushion O-rings | EPDM | FDA / USP VI | FEP / VITON / PC-SIL |
| 6 | 4 | M5 SKT Cap screw | AISI 304 | A2-70 | – |
| 7 | 8 | M6 SKT Cap screw | AISI 304 | A2-70 | – |
| 8 | 8 | M6 Spring washer | AISI 304 | A2 | – |
| 9 | 8 | M6 Domed nut | AISI 316L | 0.8Ra | – |
ACL has used glass bends produced from DURAN® tubing by SCHOTT in its range of visual flow indicators in order to create a new product for the pharmaceutical / food and dairy industry that can be integrated seamlessly within a hygienic processing system.
“SCHOTT offers high precision glass bends made from optimum quality DURAN® in a wide range of diameters with various bend angles…Resistance-free flow is ensured by accurately matching the inner diameter of the glass bends to existing conveying systems. The transparency of the glass ensures simple monitoring of the material flowing through. With its food grade properties glass is perfectly suited for the food industry. High quality borosilicate glass is distinguished by its durability and its favorable price/benefit ratio.”
Source: https://www.schott.com/d/tubing/e3abe
0b4-f9c8-40b8-b4b7-80ffb4d2df01/1.6/
| Technical Data | Specification |
|---|---|
| Glass type | Borosilicate Glass 3.3 |
| Outside diameter | 1.5” up to 4.3” |
| Lengths | 20” up to 51” |
| Bending angle | 45º and 90º * |
| Centre line radius | 3.5” up to 24” |
| Physical Data | Specification |
|---|---|
| Coefficient of mean linear thermal expansion α (20ºC; 300ºC) DIN ISO 7991 | 3.3 10-6 K-1 |
| Transformation temperature T9 DIN ISO 7884-8 | 525ºC |
| Density ρ at 25ºC | 2.23g-cm-3 |
| Modulus of elasticity E (Young’s Modulus) | 63-103 N-mm-2 |
| Thermal conductivity λw at 90ºC | 1.2 W-m-1-K-1 |
| Log of electric volume resistivity (Ω-cm) at: 250ºC 300ºC | 8.0 6.5 |
| Chemical Resistance | Specification |
|---|---|
| Hydrolytic resistance ISO 719 | Class HGB 1 |
| Acid resistance DIN 12116 | Class S 1 |
| Alkali resistance ISO 695 | Class A 2 |
* Other angles are available on request
The manufacturer’s full specification information for this product can be found at: http://www.schott.com/d/tubing/e3abe0b4-f9c8-40b8-b4b7-80ffb4d2df01/1.6/schott-duran-glass-bends-fact-sheetenglish-29112017.pdf
The ACL Quality Management System is certified according to EN ISO 9001:2015. We ensure that our suppliers also maintain a certified Quality Management System.
Materials used in the fabrication of the CT-SVFI are European sourced and conform to AD2000 W2 and PED, ensuring the highest level of reliability and safety.
All technical information and advice given here is based on our previous experiences and/or test results. We give this information to the best of our knowledge, but assume no legal responsibility. Customers are asked to check the suitability and usability in the specific application, since the performance of the product can only be judged when all necessary operating data are available. Specifications are subject to change without notice. ACL’s terms and conditions of sale apply to the purchase and sale of the product.
