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ASME B16.5 150LB Stainless Steel Blind Flange (BL)

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ASME B16.5 150LB Stainless Steel Blind Flange (BL)

Custom Standards: ASME, EN, ISO, JIS, or proprietary specs
Material Flexibility: From corrosion-resistant stainless steel (304，316L) to exotic alloys (Inconel, Hastelloy)
Precision Dimensions: Our advanced CNC systems handle diameters from DN 15 to DN 4000 with micron-level accuracy.

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Model:
BL Flange
Brand:
SDFL

Product Description

High-Quality Forged Stainless Steel Flanges & Pipe Fittings
WE PRODUCE FORGED FLANGES -- Your Reliable Industrial Pipeline Partner

Nominal Size		Outer Diameter	Central circle diameter	Bolt Hole Diameter	Number of Bolt Holes	Flange Ring Height	Sealing Face Diameter	Sealing Face Height
DN	NPS	A	J	I			G
15	1/2	88.9	60.5	15.7	4	11.2	35.1	1.6
20	3/4	98.6	69.9	15.7	4	12.7	42.9	1.6
25	1	108	79.3	15.7	4	14.2	50.8	1.6
32	1-1/4	117.3	88.9	15.7	4	15.7	63.5	1.6
40	1-1/2	127	98.6	15.7	4	17.5	73.15	1.6
50	2	152.4	120.7	19.1	4	19.1	91.9	1.6
65	2-1/2	177.8	139.7	19.1	4	22.4	104.6	1.6
80	3	190.5	152.4	19.1	4	23.9	127	1.6
90	3-1/2	215.9	177.8	19.1	8	23.9	139.7	1.6
100	4	228.6	190.5	19.1	8	23.9	157.2	1.6
125	5	254	215.9	22.4	8	23.9	185.7	1.6
150	6	279.4	241.3	22.4	8	25.4	215.9	1.6
200	8	342.9	298.5	22.4	8	28.4	269.7	1.6
250	10	406.4	362	25.4	12	30.2	323.9	1.6
300	12	482.6	431.8	25.4	12	31.75	381	1.6
350	14	533.4	476.3	28.4	12	35.1	412.8	1.6
400	16	596.9	539.8	28.4	16	36.6	469.9	1.6
450	18	635	577.9	31.8	16	39.6	533.4	1.6
500	20	698.5	635	31.8	20	42.9	584.2	1.6
600	24	812.8	749.3	35.1	20	47.8	692.2	1.6

Application Field：

Oil & Gas Industry:Pipeline Maintenance & Isolation, Subsea Pipelines, LNG Terminals, Wellhead Pressure Testing, Tank & Reactor Closure.Chemical & Pharmaceutical:Multi-Product Line Switching, High-Pressure Reactor Safety, Polymerization Reactors

Power & Energy:Boiler & Steam System Shutdown, Nuclear Plant Radiation Containment, Primary Loop.

Water Treatment & Municipal:Water Tank & Network Isolation, Desalination Systems.

Shipbuilding & Offshore:Marine Propulsion System Maintenance, Offshore Platform Safety, Drilling Rigs.

Blind plate flange:

Features: Solid disc structure, no flow holes.

Advantages: Completely enclosed pipeline, convenient for inspection and maintenance, and space-saving.