Advanced Couplings Sight Glasses

Advanced Couplings – Sight Glasses

Advanced Couplings Limited offers various types of sight flow indicators such as full view, partial view as well as sterile, curved and clamp types.

Acl Curved Svfi Curved Sterile Visual Flow Indicator

Acl Clamp Type Sterile Sight Flow Indicator Svfi Shx

Full View Flow Indicator FVFI

ACL® FVFI Full View Flow Indicator provides visual monitoring of fluid flow in process pipelines
Smooth transition design and controlled sealing with O-ring compression system
Made with high-quality 316L stainless steel and borosilicate glass for durability and visibility
Available in nominal sizes from 1/2″ to 6″ to accommodate different pipeline diameters
Utilizes borosilicate glass for the sight glass and 316L stainless steel for tie rods, flange ends, and domed nuts
EPDM FDA compliant cushioning and sealing O-rings
Working pressure ranges from 3.0 bar to 20.0 bar depending on size
Flange Outside Diameters (OD) from 50 mm to 214 mm and length from 90 mm to 254 mm
Interior surface finish with Ra down to 0.38 E/Pol for high purity applications
Material options include AL6XN and C22, with USP VI / FEP sealing for chemical compatibility requirements.

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FVFI

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RFQ

DIN 32676 Sterile Visual Flow Indicator DIN SVFI

ACL® DIN SVFI Sterile Visual Flow Indicator meets requirements of food, pharmaceutical, and chemical industries
Designed following DIN 32676 Table A standards for smooth transition and precisely matched bores
Equipped with EHEDG-compliant O-ring seal profiles for effective CIP operations
Hygienic and easy-clean design for sterile applications
Stainless steel flange ends support the glass element externally and provide housing for deformed O-ring seal
Available in sizes from 10mm to 150mm for versatile application
Mainly made of 316L stainless steel with borosilicate glass windows and FDA/USP Class VI compliant seals
Pressure ratings range from 6.1 bar to 28.0 bar depending on size
Standard internal bore finish is ASME-BPE SF4 with alternative finishes available upon request.

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DSVFI

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RFQ

Sterile Visual Flow Indicator SVFI

ACL® SVFI Sterile Visual Flow Indicator provides exceptional view of flow in process lines
Four observation windows for optimal visibility and strength to withstand design pressures and temperatures
Fully certified and adheres to relevant EC directives for high-purity applications
Made with borosilicate glass for clear visibility and 316L stainless steel for durability and cleanliness
Options for more resistant materials like C22 and AL6XN for corrosive environments
Utilizes EPDM FDA gaskets for secure sealing, with options for USP VI or FEP seals
Available in sizes ranging from 3/8″ to 6″ with varying pressure ratings, from 3.0 bar to 22.0 bar depending on size

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SVFI

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curved sterile visual flow indicator CSVFI

ACL® curved SVFI is designed to address the challenges in processing industries.
Super fine finish >0.01 Ra, transparency due to borosilicate glass, and pressure ratings for pharmaceutical system ratings.
Superior corrosion resistance and suitable for pharmaceutical and chemical processing, as well as food/dairy applications.
Complies with EC 1935/2004, FDA CFR 21 177.2600 & USP VI <87> <88>, and ASME-BPE for surface finish and gasket extrusion.
Comes with certified gaskets and features borosilicate glass 3.3 with pressure rating calculated according to CRN (FOS 10:1).
Benefit from the advantages of various material options and finishes.
EN ISO 9001:2015, fully complies with the requirements of the European Pressure Equipment Directive 2014/68/EU.

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CSVFI

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RFQ

Clamp Type Sterile Visual Flow Indicator CT-SVFI SHX

ACL® CT-SVFI SHX Clamp Type Sterile Visual Flow Indicator designed by Advanced Couplings Limited for hygienic processing
Patented under US Patent WO 2021/084008A1
Sanitary clamp seal design prevents gasket over-compression and allows tool-free assembly and disassembly
Additional seals provide secondary defense against contaminant ingress
Constructed with borosilicate glass 3.3 for visual element and AISI 316L stainless steel for durability and chemical resistance
Labyrinth design with capillary fluid barriers prevents external media from entering process side
Controlled gasket compression with metal-to-metal contact
Working pressure rating up to 20.0 bar
Available in nominal sizes from ½ inch to 4 inches, with optimized window dimensions for each size

CT-SVFI is a novel sight glass designed for hygienic processing, featuring proper sealing with a sanitary clamp and a mechanical stop to prevent gasket over-compression, reducing the need for tools to assemble or disassemble the sight glass, and the additional seals act as an extra layer for the ingress of contaminants prevention.