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NIBCO Pipe Flange: Polyvinylidene, 3/4 in Fitting Pipe Size, Schedule 80 - UV-Resistant Schedule 80 Pipe Flanges
NIBCOUV-Resistant Schedule 80 Pipe Flanges

NIBCO Pipe Flange: Polyvinylidene, 3/4 in Fitting Pipe Size, Schedule 80

The NIBCO 6551-H 3/4 is a UV-Resistant Schedule 80 Pipe Flange made from ASTM D3222 Type I polyvinylidene material. This Class 150 flange has a 3/4 in fitting pipe size and a 3 7/8 in flange outside diameter in red…

SKU 3G-OTH-708538

Brand
NIBCO
Item
Pipe Flange: Polyvinylidene, 3/4 in Fitting Pipe Size, Schedule 80
Category
UV-Resistant Schedule 80 Pipe Flanges
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Technical Specifications

NIBCO
Manufacturer Part Number
6551-H 3/4
Type
Schedule 80, Red
Fitting Pipe Size
3/4 in
Flange Outside Dia
3 7/8 in
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NIBCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NIBCO 6551-H 3/4 is a UV-Resistant Schedule 80 Pipe Flange made from ASTM D3222 Type I polyvinylidene material. This Class 150 flange has a 3/4 in fitting pipe size and a 3 7/8 in flange outside diameter in red. 3G Electric interprets demand for this genuine industrial component across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is a NIBCO 6551-H 3/4 pipe flange used for?

This NIBCO 6551-H 3/4 Schedule 80 polyvinylidene flange connects piping in corrosive or UV-exposed industrial systems. Its Class 150 rating suits moderate-pressure water, chemical, or HVAC lines. 3G Electric supplies this genuine component across 14 departments, with specialist depth in combustion, pumps and controls.

What are the specifications of the NIBCO 6551-H 3/4 flange?

The NIBCO 6551-H 3/4 is a Schedule 80 pipe flange with a 3/4 in fitting pipe size, 3 7/8 in flange outside diameter, and Class 150 pressure rating. It is made from ASTM D3222 Type I polyvinylidene material in red. 3G Electric sources this genuine industrial component for worldwide delivery.

Where to buy a NIBCO 6551-H 3/4 flange worldwide?

3G Electric supplies the NIBCO 6551-H 3/4 Schedule 80 polyvinylidene flange to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order this genuine industrial component for your application.

How to install a NIBCO 6551-H 3/4 polyvinylidene flange?

Install the NIBCO 6551-H 3/4 flange by aligning bolt holes with the mating flange, using appropriate gaskets and Class 150-rated fasteners. Tighten bolts in a cross pattern to the manufacturer's torque specification. 3G Electric provides sourcing support for this genuine component across 14 departments.

Used in

Common applications for NIBCO
HVAC systems — NIBCO bronze ball valves (T58570UL series) for isolation and control in chilled water loops
Water treatment plants — NIBCO bronze gate valves (T29 series) for shut-off in filtration and distribution lines
Industrial burner systems — NIBCO brass ball valves (GB2A series) for fuel oil or gas supply lines
Chemical processing — NIBCO bronze ball valves with locking lever (T58570LL series) for safety-critical flow control
Steam systems — NIBCO bronze globe valves for throttling in low-pressure steam applications
General plumbing — NIBCO bronze ball valves (S58570 series) with sweat connections for copper piping in commercial buildings

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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Pipe Flange: Polyvinylidene, 1 1/2 in Fitting Pipe Size, Schedule 80, 5 in Flange Outside Dia, Red (MPN 6551-H 112). Key specifications — attr1253352: ASTM D3222 Type I Material; attr1291286: Class 150.
Blind Flange: Polyvinylidene, 1 1/2 in Fitting Pipe Size, Schedule 80, 5 in Flange Outside Dia, Red (MPN 6519-H 11/2). Key specifications — attr1253352: ASTM D3222 Type I Material; attr1291286: Class 150.
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Blind Flange: Polyvinylidene, 1 1/2 in Fitting Pipe Size, Schedule 80, 5 in Flange Outside Dia, Red (MPN 6519-H 11/2). Key specifications — attr1253352: ASTM D3222 Type I Material; attr1291286: Class 150.
Pipe Flange: Polyvinylidene, 1/2 in Fitting Pipe Size, Schedule 80, 3 1/2 in Flange Outside Dia, Red (MPN 6551-H 1/2). Key specifications — attr1253352: ASTM D3222 Type I Material; attr1291286: Class 150.
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Pipe Flange: Polyvinylidene, 1/2 in Fitting Pipe Size, Schedule 80, 3 1/2 in Flange Outside Dia, Red (MPN 6551-H 1/2). Key specifications — attr1253352: ASTM D3222 Type I Material; attr1291286: Class 150.
Pipe Flange: Polyvinylidene, 2 in Fitting Pipe Size, Schedule 80, 6 in Flange Outside Dia, Red (MPN 6551-H 2). Key specifications — attr1253352: ASTM D3222 Type I Material; attr1291286: Class 150.
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Pipe Flange: Polyvinylidene, 2 in Fitting Pipe Size, Schedule 80, 6 in Flange Outside Dia, Red (MPN 6551-H 2). Key specifications — attr1253352: ASTM D3222 Type I Material; attr1291286: Class 150.
Blind Flange: Polyvinylidene, 2 in Fitting Pipe Size, Schedule 80, 6 in Flange Outside Dia, Red (MPN 6519-H 2). Key specifications — attr1253352: ASTM D3222 Type I Material; attr1291286: Class 150.
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Blind Flange: Polyvinylidene, 2 in Fitting Pipe Size, Schedule 80, 6 in Flange Outside Dia, Red (MPN 6519-H 2). Key specifications — attr1253352: ASTM D3222 Type I Material; attr1291286: Class 150.
Blind Flange: Polyvinylidene, 1 in Fitting Pipe Size, Schedule 80, 4 1/4 in Flange Outside Dia, Red (MPN 6519-H 1). Key specifications — attr1253352: ASTM D3222 Type I Material; attr1291286: Class 150.
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Blind Flange: Polyvinylidene, 1 in Fitting Pipe Size, Schedule 80, 4 1/4 in Flange Outside Dia, Red (MPN 6519-H 1). Key specifications — attr1253352: ASTM D3222 Type I Material; attr1291286: Class 150.
Pipe Flange: Polyvinylidene, 1 in Fitting Pipe Size, Schedule 80, 4 1/4 in Flange Outside Dia, Red (MPN 6551-H 1). Key specifications — attr1253352: ASTM D3222 Type I Material; attr1291286: Class 150.
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Pipe Flange: Polyvinylidene, 1 in Fitting Pipe Size, Schedule 80, 4 1/4 in Flange Outside Dia, Red (MPN 6551-H 1). Key specifications — attr1253352: ASTM D3222 Type I Material; attr1291286: Class 150.