PFA Sight Glass (DIN-ANSI) - Stainless Steel
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Unparalleled Clarity and Corrosion Resistance for Critical Process Monitoring
The Videron9 Sight Glass provides a durable, clear view for monitoring fluid flow in highly sterile environments. With a stainless steel body (DIN 1.4116) and a polished external finish (optional electro-polishing), this sight glass fits seamlessly into sterile settings like laboratories and pharmaceutical production. Its internal virgin PFA lining enhances chemical resistance, and the flushable design ensures no dead spaces for easy cleaning. Exchangeable parts, including seals, are easily accessible and flushable, maintaining GMP compliance across applications.
Partner with GFT9
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Global Reach
About UsOrder via our online shop and access all product documentation in various languages.
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Manufacturer
Our CapabilitiesOffering custom modifications (lining, coating, redesign) and competitive prices.
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Digital Friendly
DownloadsOrder via our online shop and access all product documentation in various languages.
Proven Performance

Industry Applications
The GFT9 Videron PFA-lined double window sight glass is an indispensable component across various industries requiring safe and continuous observation of liquid properties in challenging environments. Due to its robust construction and superior corrosion resistance make it an essential tool for operators who require dependable, real-time monitoring in demanding industrial application
Sight Glass Tabular Overview
Parameter | Value |
---|---|
Name | Videron9 |
Design Norm | DIN/ISO | ANSI |
Size | DN 25-150 | NPS ½-10” |
Flange Dimensions | DIN 2501 (PN 16) | ASME B16.10 (Class 150-RF LP) |
Face-Face-Dimensions | PN (EN 558-1), Series 1 | ANSI-B-16.5 |
Lining Options | PFA, PFA/AS, PVDF, PP, UHMW-PE |
Body Materials | 1.0619 , 1.4308, 1.4408, Carbon Steel / A216WCB, CF8-M or CF-8, Carbon Steel |
Pressure Range | 16 bar |
Temperature Range | -10°C up to 150°C |
Custom Options | 5 mm lining, coatings |
Certificates | EU Pressure Equipment Directive 2014/68/EU |




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PFA Lined Sight Glass NPS 8
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PFA Lined Sight Glass NPS 6
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PFA Lined Sight Glass NPS 4
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PFA Lined Sight Glass NPS 3
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PFA Lined Sight Glass NPS 2
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PFA Lined Sight Glass NPS 1½
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PFA Lined Sight Glass NPS 1
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PFA Lined Sight Glass NPS ¾
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Technical Specifications
Sbalitelný obsah
Dimensional Measurements

Size | L | ød | øk | øD | Bolting | øa | Weight |
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DN 15 | 130 mm | 45 mm | 65 mm | 95 mm | 4 x 14 (M12) | 32 mm | 3 kg |
DN 20 | 150 mm | 58 mm | 75 mm | 105 mm | 4 x 14 (M12) | 32 mm | 4 kg |
DN 25 | 160 mm | 68 mm | 85 mm | 115 mm | 4 x 14 (M12) | 48 mm | 5,5 kg |
DN 40 | 200 mm | 88 mm | 110 mm | 150 mm | 4 x 18 (M16) | 65 mm | 9,6 kg |
DN 50 | 230 mm | 102 mm | 125 mm | 165 mm | 4 x 18 (M16) | 80 mm | 12,5 kg |
DN 80 | 310 mm | 138 mm | 160 mm | 200 mm | 8 x 18 (M16) | 100 mm | 25,5 kg |
DN 100 | 350 mm | 158 mm | 180 mm | 220 mm | 8 x 18 (M16) | 125 mm | 31,5 kg |
DN 150 | 480 mm | 212 mm | 240 mm | 285 mm | 8 x 22 (M20) | 142 mm | 68 kg |
DN 200 | 600 mm | 268 mm | 295 mm | 340 mm | 12 x 22 (M20) | 190 mm | 88 kg |
DN 250 | 533 mm | 220 mm | 115 kg |
Size | L | ød | øk | øD | Bolting | øa | Weight |
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NPS ½" | 108 mm | 34,9 mm | 60,3 mm | 88,9 mm | 4 x 15.9 | 32 mm | 3 kg |
NPS ¾" | 117 mm | 42,9 mm | 69,8 mm | 98,4 mm | 4 x 15.9 | 32 mm | 4 kg |
NPS 1" | 127 mm | 50,8 mm | 79,4 mm | 108 mm | 4 x 15.9 | 48 mm | 4,8 kg |
NPS 1½" | 165 mm | 73 mm | 98,4 mm | 127 mm | 4 x 15.9 | 65 mm | 8,8 kg |
NPS 2" | 178 mm | 92,1 mm | 121 mm | 152,4 mm | 4 x 19 | 80 mm | 11,5 kg |
NPS 3" | 203 mm | 127 mm | 152,4 mm | 190,5 mm | 4 x 19 | 100 mm | 22 kg |
NPS 4" | 229 mm | 157,2 mm | 190 mm | 228,6 mm | 8 x 19 | 125 mm | 28,8 g |
NPS 6" | 394 mm | 216 mm | 241 mm | 279 mm | 8 x 22.2 | 142 mm | 62 kg |
NPS 8" | 457 mm | 269,9 mm | 330,2 mm | 381 mm | 12 x 25.4 | 190 mm | 82 g |
NPS_10" | 533 mm | 220 mm |
Materials Table & File

Pos. | Item | Material |
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1 | Body | 1.0619 (A216 WCB), 1.4408 (CF-8M), 1.4116 (SS), Carbon Steel |
Lining | PFA, PFA/AS, FEP, PP, PVDF | |
2 | Cover Plate | 1.0619 (A216 WCB), 1.4408 (CF-8M), 1.4116 (SS), Carbon Steel |
3 | Glass | Borosilicate Glass (DIN 7080) |
4 | Support | PTFE/PTFE |
5 | Bolts and Nuts | Stainless Steel A2, A4, a.A./o. o. req |
P‑T Diagram

Sight Glass Pressure Temperature Diagram