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SS High Pressure Unions

ASTM/ASME SA182 MSS SP83 NACE MR.01.75.

Connections: BSPT, NPT & Socket Weld

Ratings: 3000lb

Grades: F316/L & F304/L

3/8"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75

Code: UN-S7-3-0.375-SW

Weight: 0.3500

Out of stock

£41.98 ex VAT

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1/2" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

Code: UN-S7-3-0.500-N

Weight: 0.3400

60 Available

£34.76 ex VAT

QuantityQtyAdd to Cart
1/2"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

Code: UN-S7-3-0.500-SW

Weight: 0.3500

45 Available

£34.32 ex VAT

QuantityQtyAdd to Cart
3/4"NB 3000LB BSPT Union ASTM/ASME SA182 F316/L MSS SP83 NACE MR.01.75.

Code: UN-S7-3-0.750-BT

Weight: 0.4800

22 Available

£45.50 ex VAT

QuantityQtyAdd to Cart
3/4" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

Code: UN-S7-3-0.750-N

Weight: 0.4700

27 Available

£46.82 ex VAT

QuantityQtyAdd to Cart
3/4"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

Code: UN-S7-3-0.750-SW

Weight: 0.4900

40 Available

£45.34 ex VAT

QuantityQtyAdd to Cart
1"NB 3000LB BSPT Union ASTM/ASME SA182 F316/L MSS SP83 NACE MR.01.75.

Code: UN-S7-3-1.000-BT

Weight: 0.7000

18 Available

£110.73 ex VAT

QuantityQtyAdd to Cart
1" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

Code: UN-S7-3-1.000-N

Weight: 0.7000

Out of stock

£70.82 ex VAT

QuantityQtyAdd to Cart
1"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75

Code: UN-S7-3-1.000-SW

Weight: 0.8100

28 Available

£64.40 ex VAT

QuantityQtyAdd to Cart
1.1/4" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

Code: UN-S7-3-1.250-N

Weight: 1.0300

Stock due on 18/11/2026

£64.48 ex VAT

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1.1/4"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

Code: UN-S7-3-1.250-SW

Weight: 1.1000

Low Stock

£97.98 ex VAT

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1.1/2"NB 3000LB BSPT Union ASTM/ASME SA182 F316/L MSS SP83 NACE MR.01.75.

Code: UN-S7-3-1.500-BT

Weight: 1.4600

6 Available

£110.32 ex VAT

QuantityQtyAdd to Cart
1.1/2" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

Code: UN-S7-3-1.500-N

Weight: 1.4700

8 Available

£139.24 ex VAT

QuantityQtyAdd to Cart
1.1/2"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

Code: UN-S7-3-1.500-SW

Weight: 1.5000

17 Available

£112.10 ex VAT

QuantityQtyAdd to Cart
2" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

Code: UN-S7-3-2.000-N

Weight: 2.2800

15 Available

£155.61 ex VAT

QuantityQtyAdd to Cart
2"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

Code: UN-S7-3-2.000-SW

Weight: 2.5000

7 Available

£152.82 ex VAT

QuantityQtyAdd to Cart
2.1/2" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

Code: UN-S7-3-2.500-N

Weight: 2.2200

3 Available

£175.92 ex VAT

QuantityQtyAdd to Cart

Product Description	Part Code	Stock Availability	Net Price	Add Quantity
3/8"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75	UN-S7-3-0.375-SW	Out of stock	£41.98 ex VAT	QuantityQtyAdd to Cart
1/2" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.	UN-S7-3-0.500-N	60 Available	£34.76 ex VAT	QuantityQtyAdd to Cart
1/2"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.	UN-S7-3-0.500-SW	45 Available	£34.32 ex VAT	QuantityQtyAdd to Cart
3/4"NB 3000LB BSPT Union ASTM/ASME SA182 F316/L MSS SP83 NACE MR.01.75.	UN-S7-3-0.750-BT	22 Available	£45.50 ex VAT	QuantityQtyAdd to Cart
3/4" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.	UN-S7-3-0.750-N	27 Available	£46.82 ex VAT	QuantityQtyAdd to Cart
3/4"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.	UN-S7-3-0.750-SW	40 Available	£45.34 ex VAT	QuantityQtyAdd to Cart
1"NB 3000LB BSPT Union ASTM/ASME SA182 F316/L MSS SP83 NACE MR.01.75.	UN-S7-3-1.000-BT	18 Available	£110.73 ex VAT	QuantityQtyAdd to Cart
1" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.	UN-S7-3-1.000-N	Out of stock	£70.82 ex VAT	QuantityQtyAdd to Cart
1"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75	UN-S7-3-1.000-SW	28 Available	£64.40 ex VAT	QuantityQtyAdd to Cart
1.1/4" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.	UN-S7-3-1.250-N	Stock due on 18/11/2026	£64.48 ex VAT	QuantityQtyAdd to Cart
1.1/4"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.	UN-S7-3-1.250-SW	Low Stock	£97.98 ex VAT	QuantityQtyAdd to Cart
1.1/2"NB 3000LB BSPT Union ASTM/ASME SA182 F316/L MSS SP83 NACE MR.01.75.	UN-S7-3-1.500-BT	6 Available	£110.32 ex VAT	QuantityQtyAdd to Cart
1.1/2" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.	UN-S7-3-1.500-N	8 Available	£139.24 ex VAT	QuantityQtyAdd to Cart
1.1/2"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.	UN-S7-3-1.500-SW	17 Available	£112.10 ex VAT	QuantityQtyAdd to Cart
2" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.	UN-S7-3-2.000-N	15 Available	£155.61 ex VAT	QuantityQtyAdd to Cart
2"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.	UN-S7-3-2.000-SW	7 Available	£152.82 ex VAT	QuantityQtyAdd to Cart
2.1/2" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.	UN-S7-3-2.500-N	3 Available	£175.92 ex VAT	QuantityQtyAdd to Cart

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SS High Pressure Unions

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3/8"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75

1/2" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

1/2"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

3/4"NB 3000LB BSPT Union ASTM/ASME SA182 F316/L MSS SP83 NACE MR.01.75.

3/4" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

3/4"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

1"NB 3000LB BSPT Union ASTM/ASME SA182 F316/L MSS SP83 NACE MR.01.75.

1" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

1"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75

1.1/4" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

1.1/4"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

1.1/2"NB 3000LB BSPT Union ASTM/ASME SA182 F316/L MSS SP83 NACE MR.01.75.

1.1/2" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

1.1/2"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

2" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

2"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

2.1/2" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

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SS High Pressure Unions

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3/8"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75

1/2" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

1/2"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

3/4"NB 3000LB BSPT Union ASTM/ASME SA182 F316/L MSS SP83 NACE MR.01.75.

3/4" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

3/4"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

1"NB 3000LB BSPT Union ASTM/ASME SA182 F316/L MSS SP83 NACE MR.01.75.

1" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

1"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75

1.1/4" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

1.1/4"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

1.1/2"NB 3000LB BSPT Union ASTM/ASME SA182 F316/L MSS SP83 NACE MR.01.75.

1.1/2" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

1.1/2"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

2" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

2"NB 3000LB Socket Weld Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

2.1/2" NPT 3000LB Screwed Hexagon Union ASTM/ASME SA182 F316/L MSS SP 83 / ASME B1.20.1 NACE MR.01.75 / ISO 15156 / NACE MR.01.03.

Payments

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