About Us

Engineering
Excellence Since Day One

Al Juyushi Corporation is a Pakistan-based industrial supply company specializing in high-grade stainless steel flanges, valves, and cast iron valves for the oil & gas, petrochemical, water treatment, and construction industries.

We source globally and deliver locally — providing certified, standards-compliant products with the technical expertise our clients depend on. From ANSI Class 150 to Class 300, our range covers the most demanding industrial applications.

Headquartered in Karachi, we serve clients across Pakistan with reliable lead times, competitive pricing, and unmatched after-sales support.

Stainless Steel Flanges

Stainless Steel Threaded Valves

Stainless Steel Flange End Valves

Cast Iron Valves

🛡️

Certified

📦

In Stock

Our Products

What We Supply

Industry-standard products engineered for performance in the most demanding environments across Pakistan.

Stainless Steel
Flanges

High-precision stainless steel flanges for critical piping systems. Available in all grades, standards, and ratings.

Grades: SS 304, 304L, 316, 316L
Standards: ANSI/ASME B16.5, B16.47
Types: Weld Neck, Slip-On, Blind, Socket-weld, Threaded
Pressure: Class 150 to Class 300
Sizes: ½" to 12" NB

Stainless Steel Flange — SS 304, ANSI B16.5

Stainless Steel
Valves

Premium stainless steel valves for flow control in corrosive, high-pressure, and high-temperature applications.

Types: Ball, Gate, Globe, Check, Butterfly
Grades: SS 304, 316, CF8, CF8M
Standards: API 6D, API 608, BS 5351
End connections: Flanged, Threaded, Butt Weld
Pressure: Up to ANSI Class 300

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Operational View

Cast Iron
Valves

Robust cast iron valves for water distribution, building services, and general industrial fluid control systems.

Types: Gate, Globe, Check, Ball, Butterfly
Material: Grey Cast Iron, Ductile Iron
Standards: BS 5163, BS 5150, DIN
Pressure: PN10, PN16, PN25
Sizes: DN15 to DN300

Product Demonstrations

Watch The Standard Get Verified

Machining, PMI, and hydrostatic testing footage for our product range. Select any clip below to load it here — grouped by product, browse sideways.

SS Flanged Valves

SS Ball Valve — Material & Hydrostatic Test

2" · #150 · Flange End
SS304 · VELAN

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01 Flanges — Weld Neck · Slip-On · Blind · Socket-weld · Threaded

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Flange PN16 — Material Positive Identification Test

2" · PN16 Flange

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02 SS Threaded Valves — Ball · Gate · Globe · Check

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03 SS Flanged Valves — Ball · Gate · Globe · Check · Butterfly

2 clips

Ball Valve — PMI & Hydrostatic Test

2" · #150 Flange End

Check Valve — PMI & Hydrostatic Test

2" · #150 Flange End

Y-Strainer Valve — PMI & Hydrostatic Test

4" · #150 Flange End

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04 Cast Iron Valves — Gate · Globe · Check · Ball · Butterfly

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Technical Data

Flange Dimension Tables

Reference dimension data for ASME B16.5 and BS 4504 / EN 1092-1 steel pipe flanges. All dimensions in millimetres unless noted.

Class 150 Steel Pipe Flange Dimensions

NPS Nominal Pipe Size		O (mm)	W (mm)	TF (mm)	D (mm)	D (inch)	No. of Holes
Inch	MM
1/2"	15	90.00	60.30	9.6	15.88	5/8	4
3/4"	20	100.00	69.90	11.20	15.88	5/8	4
1"	25	110.00	79.40	12.70	15.88	5/8	4
1-1/4"	32	115.00	88.90	14.30	15.88	5/8	4
1-1/2"	40	125.00	98.40	15.90	15.88	5/8	4
2"	50	150.00	120.70	17.50	19.05	3/4	4
2-1/2"	65	180.00	139.70	20.70	19.05	3/4	4
3"	80	190.00	152.40	22.30	19.05	3/4	4
4"	100	230.00	190.50	22.30	19.05	3/4	8
5"	125	255.00	215.90	22.30	22.23	7/8	8
6"	150	280.00	241.30	23.90	22.23	7/8	8
8"	200	345.00	298.50	27.00	22.23	7/8	8
10"	250	405.00	362.00	28.60	25.40	1	12
12"	300	485.00	431.80	30.20	25.40	1	12
14"	350	535.00	476.30	33.40	28.58	1⅛	12
16"	400	595.00	539.80	35.00	28.58	1⅛	16
18"	450	635.00	577.90	38.10	31.75	1¼	16
20"	500	700.00	635.00	41.30	31.75	1¼	20
24"	600	815.00	749.30	46.10	31.75	1⅜	20

* ASME B16.5 | Class 150 & Class 300 — O = Outside Dia, W = Bolt Circle, TF = Min. Flange Thickness (includes the 1.6 mm raised face), D = Bolt Hole Dia

Class 300 Steel Pipe Flange Dimensions

NPS Nominal Pipe Size		O (mm)	W (mm)	TF (mm)	D (mm)	D (inch)	No. of Holes
Inch	MM
1/2"	15	95.00	66.70	12.70	15.88	5/8	4
3/4"	20	115.00	82.60	14.30	19.05	3/4	4
1"	25	125.00	88.90	15.90	19.05	3/4	4
1-1/4"	32	135.00	98.40	17.50	19.05	3/4	4
1-1/2"	40	155.00	114.30	19.10	22.23	7/8	4
2"	50	165.00	127.00	20.70	19.05	3/4	8
2-1/2"	65	190.00	149.20	23.90	22.23	7/8	8
3"	80	210.00	168.30	27.00	22.23	7/8	8
4"	100	255.00	200.00	30.20	22.23	7/8	8
5"	125	280.00	235.00	33.40	22.23	7/8	8
6"	150	320.00	269.90	35.00	22.23	7/8	12
8"	200	380.00	330.20	39.70	25.40	1	12
10"	250	445.00	387.40	46.10	28.58	1⅛	16
12"	300	520.00	450.80	49.30	31.75	1¼	16
14"	350	585.00	514.40	52.40	31.75	1¼	20
16"	400	650.00	571.50	55.60	34.93	1⅜	20
18"	450	710.00	628.60	58.80	34.93	1⅜	24
20"	500	775.00	685.80	62.00	34.93	1⅜	24
24"	600	915.00	812.80	68.30	41.28	1⅝	24

* Standard: ASME B16.5 — Class 300

PN16 Steel Pipe Flange Dimensions

NPS (DIN)	Flange Dia D (mm)	Thickness B (mm)	Bolt Circle K (mm)	No. of Holes	Bolt Hole d2 (mm)
10	90	14	60	4	14
15	95	14	65	4	14
20	105	16	75	4	14
25	115	16	85	4	14
32	140	16	100	4	18
40	150	16	110	4	18
50	165	18	125	4	18
65	185	18	145	8	18
80	200	20	160	8	18
100	220	20	180	8	18
125	250	22	210	8	18
150	285	22	240	8	22
200	340	24	295	12	22
250	405	26	355	12	26
300	460	28	410	12	26
350	520	30	470	16	26
400	580	32	525	16	30
500	715	36	650	20	33
600	840	38	770	20	36

* Standard: BS 4504 / EN 1092-1 — PN16. Thickness differs by flange type (plate, weld neck); confirm against the standard for the type you use

PN40 Steel Pipe Flange Dimensions

NPS (DIN)	Flange Dia D (mm)	Thickness b (mm)	Bolt Circle k (mm)	No. of Holes	Bolt Hole d2 (mm)
10	90	16	60	4	14
15	95	16	65	4	14
20	105	18	75	4	14
25	115	18	85	4	14
32	140	18	100	4	18
40	150	18	110	4	18
50	165	20	125	4	18
65	185	22	145	8	18
80	200	24	160	8	18
100	235	24	190	8	22
125	270	26	220	8	26
150	300	28	250	8	26
200	375	34	320	12	30
250	450	38	385	12	33
300	515	42	450	16	33
350	580	46	510	16	36
400	660	50	585	16	39
500	755	56	670	20	42
600	890	62	795	20	48

* Standard: BS 4504 / EN 1092-1 — PN40. Thickness differs by flange type (plate, weld neck); confirm against the standard for the type you use

Why Choose Us

Built on
Trust &
Quality

✅

Certified Quality

All products come with mill test certificates, inspection reports, and full material traceability documentation.

⚡

Fast Delivery

Large in-stock inventory across major product lines ensures quick dispatch to project sites across Pakistan.

💼

Technical Expertise

Our team of experienced engineers can assist with product selection, specification matching, and compliance guidance.

🌍

Global Sourcing

Direct partnerships with manufacturers in Europe, China, UAE, and India give you access to the best pricing worldwide.

Years in Business

Satisfied Clients

Products Available

% On-time Delivery

🏅

ISO Compliant Supply Chain

Products sourced from ISO 9001:2015 certified manufacturers with full MTC traceability

🇵🇰

Proudly Serving Pakistan

Karachi based, serving Oil & Gas, Petrochemical, Water & Construction industries nationwide

Al
Juyushi
Corporation

Engineering
Excellence Since Day One