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HDPE Lined Sight Flow Indicator

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MOQ : 01 Piece

HDPE Lined Sight Flow Indicator Specification

Diameter
DN15 DN300

Yield Strength
195 MPa (Steel Body)

Sealing Type
PTFE or EPDM gasket

Connection Type
Flanged (ANSI/DIN/JIS/BS)

Tolerance
1 mm

Coating Type
Epoxy Powder/HDPE Lined

Tensile Strength
21 MPa (HDPE lining)

Flexibility
Rigid

Product Type
Sight Flow Indicator

Material
HDPE Lined (High Density Polyethylene Lining with Metal Body)

Connection
Flanged

Shape
Cylindrical (with visual window)

Standard
ASME/ANSI B16.5

Surface Treatment
Epoxy Powder Coated

Outer Diameter
Varies (standard to 12)

Section Shape
Round

Length
100 mm 500 mm (as per size)

Color
Blue (standard), custom colors available

Usage
Visual inspection of flow in pipelines

Rated Pressure
up to 10 bar

Material Grade
HDPE Grade PE100 + IS 2062/ASTM A105 steel

Application
Acid and chemical transfer lines, water supply, industrial pipelines

HDPE Lined Sight Flow Indicator Trade Information

Minimum Order Quantity
01 Piece

Payment Terms
Cash on Delivery (COD), Cheque

Supply Ability
Piece

Delivery Time
10 Days

Sample Available
Yes

Sample Policy
Within a certain price range free samples are available

Packaging Details
Packing as per Customer requirement

Main Export Market(s)
Australia, Eastern Europe, Africa, Western Europe, Central America, Middle East, South America, Asia, North America

Main Domestic Market
Maharashtra, All India

Certifications
ISO:9001:2008

About HDPE Lined Sight Flow Indicator

HDPE Lined Sight Flow Indicator

Dimensional Data

Size	DN 25	DN 40	DN 50	DN 65	DN 80	DN 100	DN 150	DN 200
B mm	58	78	98	117	128	167	215	272
A mm	160	200	230	290	310	350	406	460
Liner thick mm	3.5	4	4.2	4.5	5	5	6.5	6.5

Lining Material : PTFE / PP (Poly Propyline) / HDPE

Test : Spark Test At 10 Kv

Superior Corrosion Resistance

Featuring an HDPE Grade PE100 liner within a sturdy metal body, this sight flow indicator exhibits exceptional resistance to acids, alkalis, and various solvents. This makes it ideal for aggressive chemical environments, significantly enhancing operational longevity and reducing maintenance needs in pipeline systems.

Comprehensive Inspection Visibility

Equipped with a borosilicate or tempered glass window, the sight flow indicator permits unobstructed 360 observation of flow conditions inside the pipeline. Coupled with glass thickness tailored (1015 mm) according to size, it assures safety while offering real-time process insight for operators.

Flexible Installation and Customization

Designed for horizontal or vertical installation, the unit supports multiple flanged end connection standardsANSI B16.5, DIN PN10/16, JIS, or BS. Standard color is blue with options for customization, accommodating a wide variety of industrial requirements. Selection of flange material and gasket type ensures system compatibility.

FAQs of HDPE Lined Sight Flow Indicator:

Q: How is the HDPE Lined Sight Flow Indicator installed, and in what orientations can it be used?

A: The sight flow indicator is designed for versatile installation and can be mounted in both horizontal and vertical pipeline orientations. Its flanged connections are compatible with ANSI B16.5, DIN PN10/16, JIS, and BS standards, ensuring easy integration into existing systems.

Q: What process does the device use for visual inspection of flow in pipelines?

A: This indicator utilizes a cylindrical chamber with a borosilicate or tempered glass window, enabling users to visually monitor media flow. The transparent window provides 360 inspection, making it simple to detect the presence, quality, and movement of fluids within the pipeline.

Q: What benefits does HDPE lining provide compared to conventional metal-bodied sight glass indicators?

A: HDPE lining significantly boosts resistance against a wide range of corrosive substances such as acids, alkalis, and solvents. This prolongs equipment life, reduces maintenance intervals, and preserves structural integrity even in demanding chemical service environments.

Q: Where is the HDPE Lined Sight Flow Indicator most commonly used?

A: This device is ideal for application in acid and chemical transfer lines, water supply systems, and various industrial pipelines, particularly where aggressive or hazardous media are handled. Its corrosion-resistant properties make it a preferred choice in chemical plants and water treatment facilities.

Q: What steps are taken to ensure reliability and leakage prevention in these indicators?

A: Each unit is 100% hydro-tested at 1.5 times the rated pressure to verify leakage integrity before shipment. Precision tolerances (1 mm), quality HDPE lining, robust sealing (PTFE or EPDM gaskets), and compliance with PED and ISO 9001:2015 standards further guarantee dependable performance.

Q: How is maintenance handled, and are the internal components easily replaceable?

A: Maintenance is straightforwardboth the HDPE lining and glass inspection window are designed for easy replacement when required, minimizing system downtime. The modular design ensures operators can perform maintenance without special tools or extensive disassembly.

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