Buttweld Pipe Fittings

Sanitary Sight Glass

Standard and custom sizes

Sanitary Sight Glass

Sanitary Sight Glass in standard and custom sizes. Compare quotes from verified suppliers on MetalMitra, with MTC 3.1 and worldwide delivery.

  • Sanitary Sight Glass
  • SS 304 / 316L
  • Ra ≤ 0.8 µm
  • 3-A / DIN / SMS / ISO
  • Tri-Clamp
  • Electropolished

Your details are never shown publicly. The MetalMitra team reviews every requirement.

Specifications

EndsTri-Clamp / Weld / Union
GlassBorosilicate / Toughened
Standards3-A, ASME BPE, DIN 11850 / 11851 / 11852 / 11853, SMS 3008 / 1145, ISO 2037 / 2852, IDF / ISO 2853, BS 4825
Size1/2" to 6" OD (12.7 mm – 152.4 mm) / DN10 – DN150
MaterialSS 304, SS 304L, SS 316, SS 316L
Internal FinishRa ≤ 0.8 µm, Ra ≤ 0.5 µm, Electropolished on request
External FinishMirror / Satin polish

Sanitary Sight Glass for changes in direction, branching and size transitions, available on MetalMitra in standard and custom sizes, with mill-certified traceability on every lot.

A sanitary sight glass gives a clear view of product flow in hygienic lines, with tri-clamp or weld ends and toughened glass.

Dairy (sanitary) fittings are stainless steel fittings with smooth, polished internal surfaces and crevice-free joints that can be cleaned in place (CIP). They are used in dairy, food, beverage, brewery, pharmaceutical and cosmetic plants where hygiene is critical.

Product range

  • Bends & Elbows — 45°, 90° and 180° sanitary bends.
  • Tees & Crosses — Equal, reducing and short-outlet tees and crosses.
  • Reducers — Concentric and eccentric sanitary reducers.
  • Clamps, Ferrules & Unions — Tri-Clamp ferrules, clamps, SMS / DIN / RJT / IDF unions.

Why engineers choose it

  • Flow Visibility — Observe product flow and cleaning.
  • Toughened Glass — Borosilicate / toughened glass tube.
  • Hygienic Finish — Polished bores that keep product from building up.
  • CIP Friendly — Crevice-free geometry made for CIP systems.

Sanitary Sight Glass Material & Grades

Material Grades / Specifications
Stainless Steel 304 / 304L AISI 304 / 304L (1.4301 / 1.4307) for general food and dairy service
Stainless Steel 316 / 316L AISI 316 / 316L (1.4401 / 1.4404) for pharma, CIP chemicals and salt-bearing products
Gaskets (for clamp & union fittings) EPDM, Silicone, Viton (FKM), PTFE – FDA compliant

Where it is used

  • Dairy Plants
  • Food Processing
  • Beverages & Juices
  • Breweries & Distilleries
  • Pharmaceutical
  • Biotechnology
  • Cosmetics
  • Water Purification
  • Confectionery
  • Edible Oil Plants
  • CIP Systems
  • Process Skids

Inspection & paperwork

Suppliers on MetalMitra back Sanitary Sight Glass with the checks and paperwork your QA team expects.

  • Dimensional inspection
  • Internal surface roughness (Ra) measurement
  • Visual inspection of polish and welds
  • Material grade verification (PMI)
  • Pressure / leak testing as applicable
  • EN 10204 3.1 Mill Test Certificate
  • Cleaned, sealed and bagged packing

The MetalMitra advantage

  • Verified suppliers — Mills, manufacturers and stockists are reviewed by the MetalMitra team before they list.
  • One RFQ, several quotes — Share size, grade and quantity once and compare offers side by side.
  • Full traceability — Heat numbers, EN 10204 3.1 MTCs and third-party inspection on request.
  • Delivered worldwide — Export-worthy packing and shipping to India, the Middle East, Africa, Europe and the Americas.

Get a quote

Tell us the specification, quantity and destination you need for Sanitary Sight Glass. MetalMitra connects you with suppliers who can deliver.

Technical note: Values on this page are for reference. Always confirm against the governing standard, your purchase specification and the mill test certificate.

Applications & industries

  • Dairy Plants
  • Food Processing
  • Beverages & Juices
  • Breweries & Distilleries
  • Pharmaceutical
  • Biotechnology
  • Cosmetics
  • Water Purification
  • Confectionery
  • Edible Oil Plants
  • CIP Systems
  • Process Skids
  • Water & Wastewater
  • Pharmaceutical
  • Food & Dairy

Testing & documents

Ask for the documents you need in your requirement — suppliers confirm them in their quotation:

  • Mill test certificate to EN 10204 3.1, or 3.2 with third-party witness
  • Third-party inspection (TPI) by SGS, Bureau Veritas, TÜV or your nominated agency
  • Tests as the standard or your order requires: hydro, PMI, IGC, NDT, hardness or impact tests

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