PTFE Antiseptic Straight Tubular Sight Glass

Model NO.：Sight Flow Indicator
Measuring Media：Liquid
Material：carbon steel / stainless steel / PP / PVDF / PVC / PTFE
Protective sleeve Material:AISI 304/316
working pressure: 5 bar to 10 bar according to sight glass size
Working Temperature: -10°—120 °C(VMQ)
Availably size: DN15-DN150/ 0.5"-6"
Availably connection: Clamp / weld / thread
Origion：Hebei
Package：Wooden Case or Carton
Trademark：U-ideal
Specification：CE, ROHS, SGS, GMP
Origin：Tianjin, China

The PTFE Antiseptic Straight Tubular Sight Glass consists of connecting flange, glass tube, extension bolt and sealing gasket.The glass tube fixed flange clamps the glass tube, and is fixed with the extension bolt. The pipe is connected with the flange through the connecting conduit, thus forming a whole glass tube tubular.

Glass tube sight glass can observe the flow of liquid, gas, steam and other media at any time, is an indispensable accessory to ensure normal production.Has reasonable structure, convenient operation, good sealing performance, high working efficiency, alkali resistance, acid resistance, non-toxic, model design and beautiful strong wait for a characteristic, is widely used in chemical, pharmaceutical, metallurgy, dye, food, sugar, wine making, ceramics and environmental protection industries, drainage or worse before the solid flow, cooling water and other liquid tube to observe the liquid flow on the road.
Anti-corrosion model: It’s suitable for acid, alkali and many organic solvents. It use PTFE, PPR, PVC as body material.

Scope of application:
1. chemical industry, petrochemical production of weak corrosive materials, such as: water, ammonia, oil, hydrocarbons, etc.
2. Corrosive materials in chemical production, such as: caustic soda, concentrated dilute sulfuric acid, carbonic acid, acetic acid, ester acid, etc.
3. Cryogenic materials in refrigeration, such as liquid ammonia, liquid oxygen and various refrigerants.
4. light industrial food, pharmaceutical production of health requirements of materials, such as: beer, beverages, dairy products, medical supplies, etc.

Applications of PTFE Flanged Sight Glass (Tubular Sight Cup)

1. Strong corrosive chemical pipeline

• Medium: Hydrochloric acid, sulfuric acid, nitric acid, caustic soda, hydrofluoric acid, mixed acid liquid
• Equipment: Pickling lines, electroplating pipelines, chemical acid delivery pipes, waste acid discharge pipelines
• Function: Observe flow rate, bubbles, sediment, crystallization inside corrosive fluid

2. Chloride-containing salt medium pipeline

Brine, seawater, chloride solution transfer pipelines. PTFE completely isolates metal from chloride liquid to prevent pitting corrosion.

3. Pharmaceutical & chemical organic solvent pipelines

Low-temperature ketones, esters, alcohol solvents, reaction intermediate delivery pipes; PTFE resists solvent swelling and erosion.

4. Waste water & environmental protection treatment lines

Electroplating wastewater, acid-base neutralization wastewater, chemical leachate conveying pipelines.

5. Low-temperature anti-corrosion process pipes

Cryogenic acid liquid circulation pipelines (working temp -20℃ and above)

Core Material Performance Parameters

1. Structure: Carbon steel flange + pipe lined with full PTFE, matched borosilicate sight tube
2. Temperature range: -20 ~ 180℃
3. Pressure limit: PN6 ~ PN25 low to medium pressure only
4. Advantage: Zero reaction with strong acid, strong alkali, oxidizing medium; no medium contamination

Unsuitable Working Conditions

1. Medium temperature over 180℃ (PTFE lining will deform and peel off)
2. High-pressure system above PN25
3. Molten alkali metal, high-temperature fluorine gas (will destroy PTFE)

Short English Summary

PTFE lined flanged tubular sight cups are used for pipelines conveying strong acid, strong alkali, chloride brine, electroplating wastewater and organic solvents under -20~180℃ low-medium pressure, to visualize corrosive medium flow and avoid metal pipeline corrosion.