Product catalog

Flanges

ASME B16.5 weld neck, slip-on and blind flanges, Class 150 to 2500, RF and RTJ.

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Forged A105N, A350 LF2 and stainless flanges. Bore matched to pipe schedule on weld neck flanges.

Part of our Engineering Supply & Procurement service.

Standards

ASME B16.5
ASME B16.47
ASTM A105

Datasheets

ASME B16.5 flange dimensions (PDF) — available on request

Spec filter

Size (OD / NPS)

Grade

Connection

Pressure class

21 items · availability and lead time confirmed on quote

Item	Size	Schedule / weight	Grade	End finish	Connection	Pressure
2" NPS Class 150 RF Weld Neck FlangeFLG-0060 · ASME B16.5	2" NPS	Bore to match pipe schedule	A105N	RF	Weld neck	Class 150
2" NPS Class 300 RF Weld Neck FlangeFLG-0061 · ASME B16.5	2" NPS	Bore to match pipe schedule	A105N	RF	Weld neck	Class 300
2" NPS Class 600 RF Weld Neck FlangeFLG-0062 · ASME B16.5	2" NPS	Bore to match pipe schedule	A105N	RF	Weld neck	Class 600
2" NPS Class 900 RTJ Weld Neck FlangeFLG-0063 · ASME B16.5	2" NPS	Bore to match pipe schedule	A105N	RTJ	Weld neck	Class 900
4" NPS Class 150 RF Weld Neck FlangeFLG-0064 · ASME B16.5	4" NPS	Bore to match pipe schedule	A105N	RF	Weld neck	Class 150
4" NPS Class 300 RF Weld Neck FlangeFLG-0065 · ASME B16.5	4" NPS	Bore to match pipe schedule	A105N	RF	Weld neck	Class 300
4" NPS Class 600 RF Weld Neck FlangeFLG-0066 · ASME B16.5	4" NPS	Bore to match pipe schedule	A105N	RF	Weld neck	Class 600
4" NPS Class 900 RTJ Weld Neck FlangeFLG-0067 · ASME B16.5	4" NPS	Bore to match pipe schedule	A105N	RTJ	Weld neck	Class 900
6" NPS Class 150 RF Weld Neck FlangeFLG-0068 · ASME B16.5	6" NPS	Bore to match pipe schedule	A105N	RF	Weld neck	Class 150
6" NPS Class 300 RF Weld Neck FlangeFLG-0069 · ASME B16.5	6" NPS	Bore to match pipe schedule	A105N	RF	Weld neck	Class 300
6" NPS Class 600 RF Weld Neck FlangeFLG-0070 · ASME B16.5	6" NPS	Bore to match pipe schedule	A105N	RF	Weld neck	Class 600
6" NPS Class 900 RTJ Weld Neck FlangeFLG-0071 · ASME B16.5	6" NPS	Bore to match pipe schedule	A105N	RTJ	Weld neck	Class 900
8" NPS Class 150 RF Weld Neck FlangeFLG-0072 · ASME B16.5	8" NPS	Bore to match pipe schedule	A105N	RF	Weld neck	Class 150
8" NPS Class 300 RF Weld Neck FlangeFLG-0073 · ASME B16.5	8" NPS	Bore to match pipe schedule	A105N	RF	Weld neck	Class 300
8" NPS Class 600 RF Weld Neck FlangeFLG-0074 · ASME B16.5	8" NPS	Bore to match pipe schedule	A105N	RF	Weld neck	Class 600
8" NPS Class 900 RTJ Weld Neck FlangeFLG-0075 · ASME B16.5	8" NPS	Bore to match pipe schedule	A105N	RTJ	Weld neck	Class 900
12" NPS Class 150 RF Weld Neck FlangeFLG-0076 · ASME B16.5	12" NPS	Bore to match pipe schedule	A105N	RF	Weld neck	Class 150
12" NPS Class 300 RF Weld Neck FlangeFLG-0077 · ASME B16.5	12" NPS	Bore to match pipe schedule	A105N	RF	Weld neck	Class 300
12" NPS Class 600 RF Weld Neck FlangeFLG-0078 · ASME B16.5	12" NPS	Bore to match pipe schedule	A105N	RF	Weld neck	Class 600
12" NPS Class 900 RTJ Weld Neck FlangeFLG-0079 · ASME B16.5	12" NPS	Bore to match pipe schedule	A105N	RTJ	Weld neck	Class 900
6" NPS Class 300 RF Blind Flange, A350 LF2FLG-0080 · ASME B16.5	6" NPS	—	A350 LF2	RF	Blind	Class 300

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