Sanitary In-line Sight Glass

VTY is a professional sanitary inline sight glass manufacturer in China with over 13 years of experience in hygienic fluid equipment manufacturing. Our sanitary inline sight glasses are manufactured from 316L stainless steel and high-strength Pyrex glass, providing 360-degree process visibility for food processing, dairy, brewery, pharmaceutical, biotechnology and liquid cooling applications.

Certified to ISO9001 and 3A sanitary standards, VTY sanitary sight glasses are trusted by customers across Germany, Denmark, the Netherlands, France, Spain and other European markets.

Key features

1.360-degree visibility

2.high-purity 316L stainless steel construction

3.crevice-free interiors

4.CIP/SIP compatibility

Advantages

Enhanced Visibility in Process Monitoring

With an Sanitary In-line Sight Glass, you have eyes inside your process, allowing you to monitor colour, clarity, and flow rate at a glance. This improved visibility is indispensable for troubleshooting issues, ensuring product consistency, and verifying conditions like the absence of air bubbles, which could signify a leak.

Improved Safety and Efficiency

Real-time monitoring inherently improves safety by revealing potential problems before they grow dire. Easily spotting irregularities through the sight glass can help prevent spills, leaks, or dangerous reactions, reducing the risk to personnel and infrastructure.

Easy Maintenance and Cleaning

Thanks to their simple design, inline sight glasses require minimal maintenance. Many are built for easy disassembly, making routine cleaning less of a task and promoting the overall hygienic operation—a big plus, especially in food processing or pharmaceutical applications.

Cost Savings and Waste Reduction

Sight glasses can save money and materials by enabling swift issue identification and process verification. Timely detection of process variations means adjustments can be made quickly, reducing waste and keeping production lines running smoothly and cost-efficiently.

Application

1.Food and Beverage Industry

From dairy to brewery pipelines, sight glasses help ensure consistency and sanitation, providing a window to monitor product transitions, confirm cleaning cycles, and oversee flow rates in producing consumable goods.

2.Pharmaceutical and Biotech Industry

In industries where contamination can compromise entire batches, Sanitary In-line Sight Glasses offer assurance that processes remain uncontaminated and products stay within specification throughout synthesis or packaging.

3.Chemical Industry

Chemical reactions can be observed safely and managed appropriately, ensuring the safety of plant workers. They also play a vital role in quality control, ensuring mixtures meet the required standards.

4.Oil and Gas Industry

In these often high-temperature and high-pressure environments, sight glasses enable the visual inspection of fuels and by-products, contributing to safe operations and maintenance across a network of pipes and distillation columns.

Manufacturing Capability

VTY operates a 13,000㎡ manufacturing facility equipped with:

134 CNC machining centers

MAZAK precision lathes

Automated polishing lines

Laser cutting machines

Welding workshops

Independent quality laboratory

Annual production capacity supports both OEM and large-volume orders for global customers.

About VTY

Wenzhou Tianyue Fluid Equipment Co., Ltd. (VTY) is a professional sanitary fluid equipment manufacturer established in 2013. The company operates a 13,000㎡ production facility with 134 CNC machining centers and exports 95% of its products to Europe. VTY specializes in sanitary valves, sanitary fittings, aseptic fittings, sight glasses, filters, sampling valves and customized hygienic process components for food, dairy, beverage, pharmaceutical and liquid cooling industries.

3A In-line Sight Glass, Welded End

Size	A	B	C	H
1. 0"	22.1	25.4	76	130.5
1. 5"	34.8	38.1	85	130.5
2.0"	47.5	50.8	100	136.5
2.5"	60.2	63.5	115	136.5
3.0"	72.9	76.2	125	138.5
4.0"	97.38	101.6	162	138.5

DIN In-line Sight Glass, Welded End

DN	A		B		C	H
	Series 1	Series 2	Series 1	Series 2
DN25	25	26	28	29	79	130.5
DN32	31	32	34	35	85	134.5
DN40	37	38	40	41	92	134.5
DN50	49	50	52	53	108	134.5
DN65		66		70	127	136.5
DN80		81		85	142	138.5
DN100		100		104	162	138

3A/SMS/ISO In-line Sight Glass, Clamp End

Size	A	B	C	H
1. 0"	22.1	50.5	76	152.5
1. 5"	34.8	50.5	85	152.5
2.0"	47.5	64	100	156.5
2.5"	60.2	77.5	115	162.5
3.0"	72.9	91	125	162.5
4.0"	97.38	119	162	180.5

DIN In-line Sight Glass, Clamp End

DN	A	B	C	H
DN25	26	50.5	79	152.5
DN32	32	50.5	85	152.5
DN40	38	50.5	92	154.5
DN50	50	64	108	156.5
DN65	66	91	127	158.5
DN80	81	106	142	176.5
DN100	100	119	162	180.5

3A In-line Sight Glass, Male Threaded End

Size	A	B	C	H
1. 0"	22.1	37.13 ACME 8TPl	76	152.5
1. 5"	34.8	50.65 ACME 8TPl	85	158.5
2.0"	47.5	64.16 ACME 8TPl	100	162.5
2.5"	60.2	77.67 ACME 8TPl	115	164.5
3.0"	72.9	91.19 ACME 8TPl	125	164.5
4.0"	97.38	119.25 ACME 6TPl	162	180.5

DIN In-line Sight Glass, Male Threaded End

DN	A	B	C	H
DN25	26	Rd52X1/6"	79	152.5
DN32	32	Rd58X1/6"	85	152.5
DN40	38	Rd65X1/6"	92	154.5
DN50	50	Rd78X1/6"	108	156.5
DN65	66	Rd95X1/6"	127	158.5
DN80	81	Rd110X1/4"	142	176.5
DN100	100	Rd130X1/4"	162	180.5