Beverage Sight Glass | McMaster-Carr

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	Material Material

316 Stainless Steel

2205 Stainless Steel

	For Use With For Use With	Show

Beverage

	For Use With For Use With	Hide

Warning: Products have one, but not necessarily all, of the selected characteristics.

Acetic Acid

Air

Alcohol-Based Solvents

	Connection Style Connection Style

Quick Clamp

	Window Material Window Material

Glass

	Body Material Body Material

Stainless Steel

	System of Measurement System of Measurement

Inch

	For Tube OD For Tube OD

	Maximum Temperature Maximum Temperature

250° to 499° F

500° to 999° F

	Minimum Temperature Minimum Temperature

-49° to 0° F

35° F or greater

	Maximum Pressure Maximum Pressure

	Environment Environment

Food and Beverage

Sanitary

	Specifications Met Specifications Met

ASME

ASTM

DIN

FDA Compliant

TUV Certified

USP

	Connection Type Connection Type

	Tube

	Seal Material Seal Material

Rubber

Plastic

	Indicator Type Indicator Type

No Indicator

	Direction of Flow Direction of Flow

Any Direction

	Height Height

	Mounting Orientation Mounting Orientation

Any Position

	Window Length Window Length

	Window Type Window Type

Front and Back

	End-to-End Length End-to-End Length

	Mounting Location Mounting Location

Inline

	Mount Type Mount Type

Clamp On

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20 Products

Sights for Quick-Clamp Sanitary Tube Fittings

Sight Shown Assembled With Gasket,
Quick-Clamp Fitting, And Tube
Fitting (All Sold Separately)

Glass Window with 2205 Stainless Steel Ring

Monitor food, brewery, chemical, pharmaceutical, and biotech processing lines with these sights that attach to quick-clamp fittings for fast installation and easy removal for cleaning. All have a one-piece design, so there are no crevices where bacteria can grow. A quick-clamp fitting, gasket, and tube fitting are required (sold separately).

For superior strength and reliability, choose 2205 stainless steel sights. All have a glass window that’s melted around a high-strength ring, so they won’t shatter, leak, or lose their shape under high pressure, heat, chemicals, or impact. They withstand harsh cleaners and sanitizers for clean-in-place (CIP) and steam-in-place (SIP) applications. USP Class VI and TUV certified, these sights meet safety standards in the U.S. and Europe. They also meet DIN standards for glass materials used in sights, ASTM standards for materials used in boilers and pressure vessels, and ASME BPE design standards for bioprocessing equipment that ensure purity and safety.

				Temp. Range, °F
For Tube OD	For Flange OD	Window Dia.	Max. Pressure	Min.	Max.	For Use With	Features	Specifications Met		Each
2205 Stainless Steel Ring with Glass Window
1", 1 1/2"	1.98"	1"	230 psi @ 70° F	-40°	500°	Water, Hydraulic Fluid, Diesel Fuel, Acetic Acid, Air, Alcohol-Based Solvents, Beverage, Chemicals, Compressed Air, Food, Fuel Oil, Gasoline, Inert Gas, Ketone, Oil, Salt Water, Steam	One-Piece Construction	ASME BPE, ASTM A479, DIN 7079, DIN 7080, TUV Certified, USP Class VI	0000000	0000000
2"	2.52"	1 9/16"	230 psi @ 70° F	-40°	500°	Water, Hydraulic Fluid, Diesel Fuel, Acetic Acid, Air, Alcohol-Based Solvents, Beverage, Chemicals, Compressed Air, Food, Fuel Oil, Gasoline, Inert Gas, Ketone, Oil, Salt Water, Steam	One-Piece Construction	ASME BPE, ASTM A479, DIN 7079, DIN 7080, TUV Certified, USP Class VI	0000000	000000
3"	3.58"	1 1/2"	150 psi @ 70° F	-40°	500°	Water, Hydraulic Fluid, Diesel Fuel, Acetic Acid, Air, Alcohol-Based Solvents, Beverage, Chemicals, Compressed Air, Food, Fuel Oil, Gasoline, Inert Gas, Ketone, Oil, Salt Water, Steam	One-Piece Construction	ASME BPE, ASTM A479, DIN 7079, DIN 7080, TUV Certified, USP Class VI	0000000	000000
4"	4.68"	1 1/8"	150 psi @ 70° F	-40°	500°	Water, Hydraulic Fluid, Diesel Fuel, Acetic Acid, Air, Alcohol-Based Solvents, Beverage, Chemicals, Compressed Air, Food, Fuel Oil, Gasoline, Inert Gas, Ketone, Oil, Salt Water, Steam	One-Piece Construction	ASME BPE, ASTM A479, DIN 7079, DIN 7080, TUV Certified, USP Class VI	0000000	000000

Sanitary Level Indicators

Mount these indicators on the outside of tanks in food, pharmaceutical, and other sanitary environments to monitor their liquid levels. Made from 316 stainless steel, they will not corrode from frequent washdowns with harsh cleaners and sanitizers. Rounded edges and polished surfaces prevent the risk of bacteria growth. These indicators have an impact-resistant polycarbonate shield that protects the glass window while still letting you see the liquid level. The liquid level inside these indicators matches the level in your tank, making it easy to view readings at a glance. Attach these indicators to tanks with quick-clamp sanitary fittings for fast installation and easy removal for cleaning or moving them.

For technical drawings and 3-D models, click on a part number.

						Temperature Range, °F			Window		Smoothness, Ra
Connection Center-to-Center	Overall Height	Window Height	Body Width	Maximum Pressure	Maximum Vacuum @ Temperature	Minimum	Maximum	Fitting Material	Material	Shield Material	Interior	Exterior		Each
316 Stainless Steel
For 3/4" Tube OD
12"	13 1/4"	10 3/4"	4"	150 psi @ 72° F	29 in. of Hg @ 72° F	35°	350°	316 Stainless Steel	Glass	Polycarbonate Plastic	20	42	00000000	000000000
14"	15 1/4"	12 3/4"	4"	150 psi @ 72° F	29 in. of Hg @ 72° F	35°	350°	316 Stainless Steel	Glass	Polycarbonate Plastic	20	42	00000000	00000000
18"	19 1/4"	16 3/4"	4"	150 psi @ 72° F	29 in. of Hg @ 72° F	35°	350°	316 Stainless Steel	Glass	Polycarbonate Plastic	20	42	00000000	00000000
20"	21 1/4"	18 3/4"	4"	150 psi @ 72° F	29 in. of Hg @ 72° F	35°	350°	316 Stainless Steel	Glass	Polycarbonate Plastic	20	42	00000000	00000000
24"	25 1/4"	22 3/4"	4"	150 psi @ 72° F	29 in. of Hg @ 72° F	35°	350°	316 Stainless Steel	Glass	Polycarbonate Plastic	20	42	00000000	00000000
26"	27 1/4"	24 3/4"	4"	150 psi @ 72° F	29 in. of Hg @ 72° F	35°	350°	316 Stainless Steel	Glass	Polycarbonate Plastic	20	42	00000000	00000000
32"	33 1/4"	30 3/4"	4"	150 psi @ 72° F	29 in. of Hg @ 72° F	35°	350°	316 Stainless Steel	Glass	Polycarbonate Plastic	20	42	00000000	00000000
38"	39 1/4"	36 3/4"	4"	150 psi @ 72° F	29 in. of Hg @ 72° F	35°	350°	316 Stainless Steel	Glass	Polycarbonate Plastic	20	42	00000000	00000000
44"	45 1/4"	42 3/4"	4"	150 psi @ 72° F	29 in. of Hg @ 72° F	35°	350°	316 Stainless Steel	Glass	Polycarbonate Plastic	20	42	00000000	00000000
50"	51 1/4"	48 3/4"	4"	150 psi @ 72° F	29 in. of Hg @ 72° F	35°	350°	316 Stainless Steel	Glass	Polycarbonate Plastic	20	42	00000000	00000000

Flow Sights for Food and Beverage

Made of FDA-listed materials for use with food and beverage, these sights have sanitary quick-clamp connections and an electropolished 316 stainless steel body for easy disassembly and cleaning. They meet USP (United States Pharmacopeia) Class IV standard for food applications. Sights let you visually confirm flow and inspect liquid color and clarity. Backlight the back window to increase the visibility of dark liquids.

316 Stainless Steel Body
For Tube OD	Temp. Range, °F	Window Lg.	End-to-End Lg.	Ht.	Max. Pressure	Direction of Flow	Specifications Met		Each
3/8"	-20° to 300°	3/4"	2 1/2"	3/8"	150 psi @ 265° F	Any Direction	FDA Compliant 21 CFR 177.2600, USP Class IV	0000000	0000000
1/2"	-20° to 300°	3/4"	3"	1/2"	150 psi @ 265° F	Any Direction	FDA Compliant 21 CFR 177.2600, USP Class IV	0000000	000000
3/4"	-20° to 300°	1 1/8"	3 3/8"	3/4"	150 psi @ 265° F	Any Direction	FDA Compliant 21 CFR 177.2600, USP Class IV	0000000	000000
1"	-20° to 300°	1 1/8"	3 1/2"	1"	120 psi @ 265° F	Any Direction	FDA Compliant 21 CFR 177.2600, USP Class IV	0000000	000000
1 1/2"	-20° to 300°	1 1/2"	4 1/8"	1 1/2"	115 psi @ 265° F	Any Direction	FDA Compliant 21 CFR 177.2600, USP Class IV	0000000	000000
2"	-20° to 300°	1 7/8"	4 3/4"	2"	100 psi @ 265° F	Any Direction	FDA Compliant 21 CFR 177.2600, USP Class IV	0000000	000000

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