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NIBCO UV-Resistant Schedule 80 Pipe Flange, 1 in, Red - UV-Resistant Schedule 80 Pipe Flanges
NIBCOUV-Resistant Schedule 80 Pipe Flanges

NIBCO UV-Resistant Schedule 80 Pipe Flange, 1 in, Red

The NIBCO 6551-H 1 is a UV-Resistant Schedule 80 Pipe Flange made from polyvinylidene (ASTM D3222 Type I material). This Class 150 flange fits 1-inch pipe and has a 4 1/4-inch outside diameter in red. 3G Electric…

SKU 3G-OTH-708539

Also listed as: 6551H1 · 6551 H 1 · 6551-H-1

Brand
NIBCO
Item
UV-Resistant Schedule 80 Pipe Flange, 1 in, Red
Part Number
6551-H 1
Category
UV-Resistant Schedule 80 Pipe Flanges
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Technical Specifications

NIBCO
Manufacturer Part Number
6551-H 1
Type
Schedule 80, Red
Fitting Pipe Size
1 in
Flange Outside Dia
4 1/4 in

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NIBCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NIBCO 6551-H 1 is a UV-Resistant Schedule 80 Pipe Flange made from polyvinylidene (ASTM D3222 Type I material). This Class 150 flange fits 1-inch pipe and has a 4 1/4-inch outside diameter in red. 3G Electric interprets your demand for this genuine industrial component, sourcing it across our 14 departments and backing it with specialist expertise in pumps and controls.

Frequently Asked Questions

What is a NIBCO 6551-H 1 pipe flange used for?

The NIBCO 6551-H 1 is a UV-resistant Schedule 80 pipe flange used to connect piping systems in corrosive environments. Its polyvinylidene (PVDF) construction meets ASTM D3222 Type I, making it suitable for chemical processing, water treatment, and semiconductor applications where durability and UV resistance are required.

What are the specifications of the NIBCO 6551-H 1 flange?

This NIBCO flange is Class 150, Schedule 80, with a 1-inch fitting pipe size and a 4 1/4-inch outside diameter. It is made from polyvinylidene (PVDF) per ASTM D3222 Type I material, and comes in red. The manufacturer part number is 6551-H 1.

Where to buy a NIBCO 6551-H 1 flange worldwide?

3G Electric supplies the NIBCO 6551-H 1 flange worldwide. We interpret your demand, source this genuine component across our 14 industrial departments, and handle full logistics and customs clearance for delivery to your location. Contact us for availability and lead time.

How to install a NIBCO Schedule 80 PVDF flange?

Install the NIBCO 6551-H 1 flange by aligning bolt holes with the mating flange, using appropriate gaskets for PVDF. Tighten bolts evenly in a cross pattern to the torque recommended for Class 150 flanges. Avoid over-torquing to prevent cracking the polyvinylidene material.

Used in

Common applications for NIBCO
Water treatment — NIBCO PVDF Schedule 80 blind flanges (6519-H series) for sealing pipe ends in chemical dosing lines
HVAC systems — NIBCO bronze ball valves (T58570-1/4) for isolation of small-diameter water lines
Industrial process piping — NIBCO ductile iron gate valves (F619RW series) for general isolation on 6-inch and 8-inch flanged headers
Chemical plants — NIBCO UV-resistant PVDF companion flanges (6551-H series) for outdoor corrosive fluid transfer
Power generation — NIBCO Class 125 ductile iron gate valves for cooling water and neutral fluid isolation
Outdoor piping — NIBCO Schedule 80 PVDF flanges for UV-exposed water and wastewater lines
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NIBCO Products

3G Electric supplies NIBCO uv-resistant schedule 80 pipe flanges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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