Stainless Steel Tube and Pipe Adapters

Complete your sanitary process system with one of CSI's many styles of pipe and tube adapters in stainless steel. We stock a wide variety of sizes, types, and connections in our four US warehouses.

At CSI, we ensure that our stock of sanitary adapters meets stringent quality standards for a hassle-free installation. Our multiple adapter options mean that you can easily tie in to supply lines or make other transitions.

For adapter options with even more corrosion resistance, CSI also offers AL-6XN® Alloy Adapters and Hastelloy® C-22® Adapters.

Shop Adapters

Some items are 3-A approved as noted.

Stainless Steel Tube and Pipe Adapters

Industries

Processed Foods, Dairy, Beverages, Brewery, Home & Personal Care, Pharmaceutical, Biotech, Chemical

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Tube x Pipe Adapters

CSI's pipe-to-tube adapters smoothly transition between schedule pipe sizes to OD tube sizes, with either a butt weld or Tri-Clamp® tube connection.

Features

Tapered for smooth flow
Squared ends (for single-pass fusion welding) in Schedule 5 and 10
Standard pipe bevel on Schedule 40
Reducing sizes are also available

Technical Data

Connections	Butt weld, Tri-Clamp
Materials	316L, AL-6XN alloy, Hastelloy C-22
Wall Thickness	Schedule 5, 10, 40

Butt Weld Pipe x Butt Weld Tube Concentric AdaptersSW31 (Size Pipe) PX (Size Tube) T

316L Material Part #	Drawing	Nominal Size (in)	Tube Wall Thickness (in)	Pipe Wall Thickness (in)	Pipe OD (in)	A (in)
SW3105PX05T	Fig. 1	½	0.065	0.083	0.840	1.750
SW3175PX75T	Fig. 1	¾	0.065	0.083	1.050	1.750
SW3110PX10T	Fig. 2	1	0.065	0.109	1.315	1.500
SW3115PX15T	Fig. 2	1½	0.065	0.109	1.900	1.500
SW3120PX20T	Fig. 2	2	0.065	0.109	2.375	1.500
SW3125PX25T	Fig. 3	2½	0.065	0.120	2.875	2.500
SW3130PX30T	Fig. 3	3	0.065	0.120	3.500	2.500
SW3140PX40T	Fig. 3	4	0.083	0.120	4.500	2.500
SW3160PX60T	Fig. 1	6	0.109	0.134	6.25	1.750

Sizes and item numbers apply to 316L Schedule 10 pipe. Additional sizes and reducing configurations available upon request.

Butt Weld Pipe x Butt Weld Tube Eccentric AdaptersSW32 (Size Pipe) PX (Size Tube) T

316L Material Part #	Size OD (in)	A (in)	B (in)	C (in)
SW3205PX05T	½	2.250	0.500	0.840
SW3275PX75T	¾	2.250	0.750	1.050
SW3210PX10T	1	2.250	1.000	1.315
SW3215PX15T	1½	2.250	1.500	1.900
SW3220PX20T	2	2.250	2.000	2.375
SW3225PX25T	2½	2.250	2.500	2.875
SW3230PX30T	3	2.375	3.000	3.500
SW3240PX40T	4	2.500	4.000	4.500
SW3260PX60T	6	2.375	6.000	6.625

Butt Weld Pipe x Tri-Clamp^® Tube Adapters14MPW (Size) P

316L Material Part #	Drawing	Nominal Size (in)	Pipe Wall Thickness (in)	Pipe OD (in)	A (in)
14MPW05P	Fig. 1	½	0.083	0.840	1.750
14MPW75X05P	Fig. 1	¾	0.083	1.050	1.750
14MPW75P	Fig. 1	¾	0.083	1.050	1.750
14MPW10P	Fig. 2	1	0.109	1.315	1.500
14MPW15P	Fig. 2	1½	0.109	1.900	1.500
14MPW20P	Fig. 2	2	0.109	2.375	1.500
14MPW25P	Fig. 3	2½	0.120	2.875	2.500
14MPW30P	Fig. 3	3	0.120	3.500	2.500
14MPW40P	Fig. 3	4	0.120	4.500	2.500
14MPW60P	Fig. 1	6	0.134	6.625	1.750

Sizes and item numbers apply to 316L Schedule 10 pipe. Additional sizes and reducing configurations available upon request.

Hose Barb Adapters

FEATURES

CSI's hose barb adapters in butt weld and Tri-Clamp connections allow for easy transitions from sanitary tube to flexible hose. Use with a hose clamp to secure the hose.

Technical Data

Connections	Butt weld, Tri-Clamp
Materials	316L, AL-6XN alloy, or Hastelloy C-22
Finish	25 Ra ID, 32 Ra OD Contact CSI for other finish options.

Butt Weld x Hose Barb Adapters

Part #	Size OD (in)	A (in)	B (in)	# of Barbs
F0038	⅜	1.75	0.375	5
F0036	½	1.75	0.500	5
F0037	¾	1.75	0.750	5
F0021	1	3.00	1.000	10
F0022	1½	3.00	1.500	10
F0024	2	3.00	2.000	10
F0040	2½	3.00	2.500	10
F0025	3	3.00	3.000	10

Sizes and item numbers apply to 316L material and OD tube sizes.

Tri-Clamp x Hose Barb Adapters14MPHRXL-Size-Material-Finish

316L Material Part # (7 Finish)	Size OD (in)	A (in)	B (in)	# of Barbs
14MPHRXL-0.375-316L-7	⅜	2.25	0.375	5
14MPHRXL-0.5-316L-7	½	2.25	0.500	5
14MPHRXL-0.75-316L-7	¾	2.25	0.750	5
14MPHRXL-1-316L-7	1	3.50	1.000	10
14MPHRXL-1.5-316L-7	1½	3.50	1.500	10
14MPHRXL-2-316L-7	2	3.50	2.000	10
14MPHRXL-2.5-316L-7	2½	3.50	2.500	10
14MPHRXL-3-316L-7	3	3.50	3.000	10

Additional sizes and finishes available.

14MPHR Standard and Reducing Dimensional Diagram

Tri-Clamp Reducing Hose Barb Adapters14MPHR-Tri-Clamp SizeXHose Barb Size-Material-Finish

Part #	Drawing	Size OD (in)	A (in)	B (in)	# of Barbs
14MPHR-0.25	Fig. 1	¼ x ¼	1.50	0.312	5
14MPHR-0.5X0.25	Fig. 2	½ x ¼	1.50	0.312	5
14MPHR-0.5X0.375	Fig. 2	½ x ⅜	1.50	0.405	5
14MPHR-0.5	Fig. 1	½ x ½	1.50	0.540	5
14MPHR-0.75X0.25	Fig. 2	¾ x ¼	1.50	0.312	5
14MPHR-0.75X0.375	Fig. 2	¾ x ⅜	1.50	0.540	5
14MPHR-0.75X0.5	Fig. 2	¾ x ½	1.50	0.540	5
14MPHR-0.75	Fig. 1	¾ x ¾	1.50	0.780	5
14MPHR-1X0.25	Fig. 2	1 x ¼	1.50	0.312	5
14MPHR-1X0.375	Fig. 2	1 x ⅜	1.50	0.405	5
14MPHR-1X0.5	Fig. 2	1 x ½	1.50	0.540	5
14MPHR-1X0.75	Fig. 2	1 x ¾	1.50	0.780	5
14MPHR-1	Fig. 1	1 x 1	1.50	1.030	5
14MPHR-1.5X0.25	Fig. 2	1½ x ¼	1.50	0.312	5
14MPHR-1.5X0.375	Fig. 2	1½ x ⅜	1.50	0.405	5
14MPHR-1.5X0.5	Fig. 2	1½ x ½	1.50	0.540	5
14MPHR-1.5X0.75	Fig. 2	1½ x ¾	1.50	0.780	5
14MPHR-1.5X1	Fig. 2	1½ x 1	1.50	1.030	5
14MPHR-1.5X1.25	Fig. 2	1½ x 1¼	1.50	1.280	5
14MPHR-1.5	Fig. 1	1½ x 1½	1.69	1.530	5
14MPHR-2X0.25	Fig. 2	2 x ¼	1.69	0.312	5
14MPHR-2X0.375	Fig. 2	2 x	1.69	0.405	5
14MPHR-2X0.5	Fig. 2	2 x ½	1.69	0.540	5
14MPHR-2X0.75	Fig. 2	2 x ¾	1.69	0.780	5
14MPHR-2X1	Fig. 2	2 x 1	1.69	1.030	5
14MPHR-2X1.25	Fig. 2	2 x 1¼	1.69	1.280	5
14MPHR-2X1.5	Fig. 2	2 x 1½	1.69	1.530	5
14MPHR-2	Fig. 1	2 x 2	2.31	2.030	8
14MPHR-2.5X0.25	Fig. 2	2½ x ¼	1.69	0.312	5
14MPHR-2.5X0.375	Fig. 2	2½ x ⅜	1.69	0.405	5
14MPHR-2.5X0.5	Fig. 2	2½ x ½	1.69	0.540	5
14MPHR-2.5X0.75	Fig. 2	2½ x ¾	1.69	0.780	5
14MPHR-2.5X1	Fig. 2	2½ x 1	1.69	1.030	5
14MPHR-2.5X1.25	Fig. 2	2½ x 1¼	1.69	1.280	5
14MPHR-2.5X1.5	Fig. 2	2½ x 1½	1.69	1.530	5
14MPHR-2.5X2	Fig. 2	2½ x 2	2.31	2.0330	8
14MPHR-2.5	Fig. 1	2½ x 2½	2.34	2.530	8
14MPHR-3X0.25	Fig. 2	3 x ¼	2.50	0.312	5
14MPHR-3X0.375	Fig. 2	3 x ⅜	2.50	0.405	5
14MPHR-3X0.5	Fig. 2	3 x ½	2.50	0.540	5
14MPHR-3X0.75	Fig. 2	3 x ¾	2.50	0.780	5
14MPHR-3X1	Fig. 2	3 x 1	2.50	1.030	5
14MPHR-3X1.25	Fig. 2	3 x 1¼	2.50	1.280	5
14MPHR-3X1.5	Fig. 2	3 x 1½	2.50	1.530	5
14MPHR-3X2	Fig. 2	3 x 2	2.50	2.030	8
14MPHR-3X2.5	Fig. 2	3 x 2½	2.50	2.530	8
14MPHR-3	Fig. 1	3 x 3	2.50	3.030	10
14MPHR-4X0.25	Fig. 2	4 x ¼	2.50	0.312	5
14MPHR-4X0.375	Fig. 2	4 x ⅜	2.50	0.405	5
14MPHR-4X0.5	Fig. 2	4 x ½	2.50	0.540	5
14MPHR-4X0.75	Fig. 2	4 x ¾	2.50	0.780	5
14MPHR-4X1	Fig. 2	4 x 1	2.50	1.030	5
14MPHR-4X1.25	Fig. 2	4 x 1¼	2.50	1.280	5
14MPHR-4X1.5	Fig. 2	4 x 1½	2.50	1.530	5
14MPHR-4X2	Fig. 2	4 x 2	2.50	2.030	8
14MPHR-4X2.5	Fig. 2	4 x 2½	2.50	2.530	8
14MPHR-4X3	Fig. 2	4 x 3	2.50	3.030	10
14MPHR-4	Fig. 1	4 x 4	2.50	4.030	10

Other lengths and sizes available upon request.

Flange x Tri-Clamp Adapters38MP-Size-Material

316 Material Part #	A (in)	B (in)	C (in)	D (in)	# of Bolt Holes
38MP-0.5-316L	½	1.57	3.50	0.44	4
38MP-0.75-316L	¾	1.63	3.88	0.50	4
38MP-1-316L	1	1.69	4.25	0.56	4
38MP-1.5-316L	1½	1.81	5.00	0.68	4
38MP-2-316L	2	1.88	6.00	0.75	4
38MP-2.5-316L	2½	2.00	7.00	0.87	4
38MP-3-316L	3	2.07	7.50	0.94	4
38MP-4-316L	4	2.07	9.00	0.94	8
38MP-6-316L	6	2.50	11.00	1.00	8

Sizes and item numbers apply to 316L material and OD tube sizes. Reducing configurations available upon request. Flange dimensions conform to ANSI 16.5, Class 150. Also available in class 300.

Flange x Tri-Clamp Adapters, Class 30038MP-Size-Material-300

316 Material Part #	A (in)	B (in)	C (in)	D (in)	# of Bolt Holes
38MP-0.5-316L-300	½	1.69	3.75	0.50	4
38MP-0.75-316L-300	¾	1.75	4.62	0.56	4
38MP-1-316L-300	1	1.81	4.88	0.62	4
38MP-1.5-316L-300	1½	1.94	6.12	0.75	4
38MP-2-316L-300	2	2.00	6.50	0.81	4
38MP-2.5-316L-300	2½	2.12	7.50	0.94	4
38MP-3-316L-300	3	2.25	8.25	1.06	4
38MP-4-316L-300	4	2.38	10.00	1.19	8
38MP-6-316L-300	6	2.94	12.50	1.38	8

Sizes and item numbers apply to 316L material and OD tube sizes. Reducing configurations available upon request. Flange dimensions conform to ANSI 16.5, Class 300. Also available in class 150.

Flange x Butt Weld Adapters38BW-Size-Material

316L Material Part #	A (in)	B (in)	C (in)	D (in)	# of Bolt Holes
38BW-0.5-316L	½	2.00	3.50	0.44	4
38BW-0.75-316L	¾	2.06	3.88	0.50	4
38BW-1-316L	1	2.13	4.25	0.56	4
38BW-1.5-316L	1½	2.25	5.00	0.68	4
38BW-2-316L	2	2.31	6.00	0.75	4
38BW-2.5-316L	2½	2.44	7.00	0.87	4
38BW-3-316L	3	2.75	7.50	0.94	4
38BW-4-316L	4	3.00	9.00	0.94	8
38BW-6-316L	6	3.50	11.00	1.00	8

Sizes and item numbers apply to 316L material and OD tube sizes. Reducing configurations available upon request. Flange dimensions conform to ANSI 16.5, Class 150. Also available in class 300.

Flange x Butt Weld Adapters, Class 30038BW-Size-Material-300

316L Material Part #	A (in)	B (in)	C (in)	D (in)	# of Bolt Holes
38BW-0.5-316L-300	½	2.12	3.75	0.50	4
38BW-0.75-316L-300	¾	2.19	4.62	0.56	4
38BW-1-316L-300	1	2.25	4.88	0.62	4
38BW-1.5-316L-300	1½	2.38	6.12	0.75	4
38BW-2-316L-300	2	2.44	6.50	0.81	4
38BW-2.5-316L-300	2½	2.56	7.50	0.94	4
38BW-3-316L-300	3	2.94	8.25	1.06	4
38BW-4-316L-300	4	3.31	10.00	1.19	8
38BW-6-316L-300	6	3.94	12.50	1.38	8

Sizes and item numbers apply to 316L material and OD tube sizes. Reducing configurations available upon request. Flange dimensions conform to ANSI 16.5, Class 300. Also available in class 150.

Blind Flange38BF-Size-Material

316L Material Part #	Nominal Size (in)	A (in)	B (in)	C (in)	# of BoltHoles
38BF-0.5-316L	½	3.50	1.38	0.38	4
38BF-0.75-316L	¾	3.88	1.69	0.44	4
38BF-1-316L	1	4.25	2.00	0.50	4
38BF-1.5-316L	1½	5.00	2.88	0.62	4
38BF-2-316L	2	6.00	3.62	0.69	4
38BF-2.5-316L	2½	7.00	4.12	0.81	4
38BF-3-316L	3	7.50	5.00	0.88	4
38BF-4-316L	4	9.00	6.19	0.88	8
38BF-6-316L	6	11.00	8.50	0.94	8

Blind flange is a solid flange that is bolted, offered as raised face (RF) or flat face (FF). It is used to secure the end of a piping system or to block off sections of flow. Offered in 316L, AL-6XN, and C-22.

Tube Weld Neck Flange38W-Size-Material

316L Material Part #	A (in)	B (in)	C (in)	# of Bolt Holes
38W-0.5-316L	½	0.44	3.50	4
38W-0.75-316L	¾	0.50	3.88	4
38W-1-316L	1	0.56	4.25	4
38W-1.5-316L	1½	0.68	5.00	4
38W-2-316L	2	0.75	6.00	4
38W-2.5-316L	2½	0.87	7.00	4
38W-3-316L	3	0.94	7.50	4
38W-4-316L	4	0.94	9.00	8
38W-6-316L	6	1.00	11.00	8
38W-8-316L	8	1.12	13.50	8
38W-10-316L	10	1.18	16.00	12

Sizes and item numbers apply to 316L material and OD tube sizes. Flange dimensions conform to ANSI 16.5, Class 150.

Adapters from Alfa Laval

Tri-Clamp x Tygon Hose Adapters14MPHT-Size-Material-Finish

View 3D model in Alfa Laval CAD Portal

304 Material Part # (7 finish)	316L Material Part # (7 finish)	Size OD (in)	A (in)	B (in)	C (in)
14MPHT-1-304-7	14MPHT-1-316L-7	1	4.50	0.88	1.00
14MPHT-1.5-304-7	14MPHT-1.5-316L-7	1½	4.50	1.38	1.50
14MPHT-2-304-7	14MPHT-2-316L-7	2	4.50	1.88	2.00
14MPHT-2.5-304-7	14MPHT-2.5-316L-7	2½	4.50	2.38	2.50
14MPHT-3-304-7	14MPHT-3-316L-7	3	4.50	2.88	3.00
14MPHT-4-304-7	14MPHT-4-316L-7	4	4.63	2.83	4.00

Tri-Clamp x Female NPT Adapters22MP-Size-Material-Finish

304 Material Part # (7 Finish)	316L Material Part # (7 Finish)	316L Material Part # (PL finish)	316L Material Part # (PM finish)	Size OD (in)	A (in)
-	-	22MP-0.5X0.125-316L-PL	-	½ x ⅛	1.50
-	-	22MP-0.5X0.25-316L-PL	22MP-0.5X0.25-316L-PM	½ x ¼	1.50
-	-	22MP-0.5X0.375-316L-PL	22MP-0.5X0.375-316L-PM	½ x ⅜	1.50
-	-	22MP-0.5-316L-PL	22MP-0.5-316L-PM	½ x ½	1.30
-	-	22MP-0.5X0.75-316L-PL	22MP-0.5X0.75-316L-PM	½ x ¾	1.50
-	-	22MP-0.75X0.25-316L-PL	22MP-0.75X0.25-316L-PM	¾ x ¼	1.50
-	-	22MP-0.75X0.375-316L-PL	22MP-0.75X0.375-316L-PM	¾ x ⅜	1.50
-	-	22MP-0.75X0.5-316L-PL	22MP-0.75X0.5-316L-PM	¾ x ½	1.50
-	-	22MP-0.75-316L-PL	22MP-0.75-316L-PM	¾ x ¾	1.30
-	22MP-1X0.25-316L-7	-	-	1 x ¼	0.75
-	22MP-1X0.5-316L-7	22MP-1X0.5-316L-PL	22MP-1X0.5-316L-PM	1 x ½	0.75
-	22MP-1X0.75-316L-7	22MP-1X0.75-316L-PL	22MP-1X0.75-316L-PM	1 x ¾	0.75
22MP-1-304-7	22MP-1-316L-7	22MP-1-316L-PL	22MP-1-316L-PM	1 x 1	0.75
-	22MP-1.5X0.25-316L-7	-	-	1½ x ¼	0.75
-	-	22MP-1.5X0.5-316L-PL	22MP-1.5X0.5-316L-PM	1½ x ½	0.75
-	-	22MP-1.5X0.75-316L-PL	22MP-1.5X0.75-316L-PM	1½ x ¾	0.75
22MP-1.5X1-304-7	22MP-1.5X1-316L-7	22MP-1.5X1-316L-PL	22MP-1.5X1-316L-PM	1½ x 1	0.75
22MP-1.5X1.25-304-7	22MP-1.5X1.25-316L-7	22MP-1.5X1.25-316L-PL	-	1½ x 1¼	1.54
22MP-1.5-304-7	22MP-1.5-316L-7	22MP-1.5-316L-PL	22MP-1.5-316L-PM	1½ x 1½	1.54
-	22MP-1.5X2-316L-7	-	-	1½ x 2	1.57
-	22MP-2X0.5-316L-7	22MP-2X0.5-316L-PL	-	2 x ½	0.75
-	-	22MP-2X0.75-316L-PL	-	2 x ¾	0.75
-	22MP-2X1-316L-7	22MP-2X1-316L-PL	-	2 x 1	0.75
22MP-2X1.5-304-7	22MP-2X1.5-316L-7	22MP-2X1.5-316L-PL	-	2 x 1½	0.75
22MP-2-304-7	22MP-2-316L-7	22MP-2-316L-PL	22MP-2-316L-PM	2 x 2	1.57
22MP-2.5X2-304-7	22MP-2.5X2-316L-7	-	-	2½ x 2	1.38
-	22MP-2.5-316L-7	22MP-2.5-316L-PL	-	2½ x 2½	1.97
-	22MP-3X2-316L-7	-	-	3 x 2	1.38
-	22MP-3X2.5-316L-7	-	-	3 x 2½	1.97
-	22MP-3-316L-7	22MP-3-316L-PL	22MP-3-316L-PM	3 x 3	2.05
22MP-4-304-7	22MP-4-316L-7	22MP-4-316L-PL	22MP-4-316L-PM	4 x 4	2.13

Tri-Clamp x Male NPT Adapters21MP-Size-Material-Finish

Nominal:

Fractional:

304 Material Part # (7 finish)	316L Material Part # (7 finish)	316L Material Part # (PL finish)	316L Material Part # (PM finish)	Size OD (in)	A (in)
-	-	21MP-0.5X0.125-316L-PL	-	½ x ⅛	2.00
-	-	21MP-0.5X0.25-316L-PL	21MP-0.5X0.25-316L-PM	½ x ¼	2.00
-	-	21MP-0.5X0.375-316L-PL	21MP-0.5X0.375-316L-PM	½ x ⅜	2.00
-	-	21MP-0.5-316L-PL	21MP-0.5-316L-PM	½ x ½	1.77
-	-	21MP-0.5X0.75-316L-PL	21MP-0.5X0.75-316L-PM	½ x ¾	2.00
-	-	21MP-0.75X0.25-316L-PL	21MP-0.75X0.25-316L-PM	¾ x ¼	2.00
-	-	21MP-0.75X0.375-316L-PL	21MP-0.75X0.375-316L-PM	¾ x ⅜	2.00
-	-	21MP-0.75X0.5-316L-PL	21MP-0.75X0.5-316L-PM	¾ x ½	1.77
-	-	21MP-0.75-316L-PL	21MP-0.75-316L-PM	¾ x ¾	1.77
-	21MP-0.75X1-316L-7	-	-	¾ x 1	1.97
-	21MP-1X0.25-316L-7	-	-	1 x ¼	1.57
-	21MP-1X0.5-316L-7	21MP-1X0.5-316L-PL	-	1 x ½	1.57
21MP-1X0.75-304-7	21MP-1X0.75-316L-7	21MP-1X0.75-316L-PL	21MP-1X0.75-316L-PM	1 x ¾	1.77
21MP-1-304-7	21MP-1-316L-7	21MP-1-316L-PL	21MP-1-316L-PM	1 x 1	1.97
-	21MP-1.5X0.25-316L-7	-	-	1½ x ¼	1.57
-	21MP-1.5X0.5-316L-7	-	-	1½ x ½	1.57
21MP-1.5X0.75-304-7	21MP-1.5X0.75-316L-7	21MP-1.5X0.75-316L-PL	-	1½ x ¾	1.77
21MP-1.5X1-304-7	21MP-1.5X1-316L-7	21MP-1.5X1-316L-PL	-	1½ x 1	1.97
21MP-1.5X1.25-304-7	21MP-1.5X1.25-316L-7	-	-	1½ x 1¼	1.97
21MP-1.5-304-7	21MP-1.5-316L-7	21MP-1.5-316L-PL	21MP-1.5-316L-PM	1½ x 1½	1.97
21MP-1.5X2-304-7	21MP-1.5X2-316L-7	-	-	1½ x 2	2.17
-	21MP-2X0.5-316L-7	-	-	2 x ½	1.57
21MP-2X1-304-7	21MP-2X1-316L-7	-	-	2 x 1	1.97
-	21MP-2X1.25-316L-7	-	-	2 x 1¼	1.97
21MP-2X1.5-304-7	21MP-2X1.5-316L-7	21MP-2X1.5-316L-PL	-	2 x 1½	1.97
21MP-2-304-7	21MP-2-316L-7	21MP-2-316L-PL	21MP-2-316L-PM	2 x 2	2.17
21MP-2.5X2-304-7	21MP-2.5X2-316L-7	-	-	2½ x 2	2.17
21MP-2.5-304-7	21MP-2.5-316L-7	21MP-2.5-316L-PL	21MP-2.5-316L-PM	2½ x 2½	2.36
-	21MP-3X2.5-316L-7	-	-	3 x 2½	2.36
21MP-3-304-7	21MP-3-316L-7	21MP-3-316L-PL	21MP-3-316L-PM	3 x 3	2.76
-	21MP-4X3-316L-7	-	-	4 x 3	2.76
21MP-4-304-7	21MP-4-316L-7	21MP-4-316L-PL	21MP-4-316L-PM	4 x 4	2.95

Butt Weld x Male NPT Adapters19WB-Size-Material-Finish

304 Material Part # (1 finish)	316L Material Part # (1 finish)	Tube OD (in)	A (in)
19WB-0.5-304	19WB-0.5-316L	½	1.31
19WB-0.75-304	19WB-0.75-316L	¾	1.63
19WB-1-304	19WB-1-316L	1	1.75
19WB-1.5-304	19WB-1.5-316L	1½	1.75
19WB-2-304	19WB-2-316L	2	1.81
19WB-2.5-304	19WB-2.5-316L	2½	2.31
19WB-3-304	19WB-3-316L	3	2.50
19WB-4-304	19WB-4-316L	4	2.56

Butt Weld x Female NPT Adapters22WB-Size-Material-Finish

316L Material Part # (1 finish)	Tube OD (in)	A (in)	B (in)
22WB-0.5-316L	½	1.50	0.50
22WB-0.75-316L	¾	1.50	0.75
22WB-1-316L	1	1.75	1.00
22WB-1.5-316L	1½	1.75	1.50
22WB-2-316L	2	1.81	2.00
22WB-2.5-316L	2½	2.31	2.50
22WB-3-316L	3	2.50	3.00
22WB-4-316L	4	2.56	4.00

Lap Joint Stub End14VB-Size-Material-Finish

304 Material Part # (7 Finish)	316L Material Part # (7 Finish)	Size OD (in)	A (in)	B (in)
14VB-0.5-304-7	14VB-0.5-316L-7	½	2.00	1.69
14VB-0.75-304-7	14VB-0.75-316L-7	¾	2.00	1.69
14VB-1-304-7	14VB-1-316L-7	1	2.00	2.00
14VB-1.5-304-7	14VB-1.5-316L-7	1½	2.00	2.88
14VB-2-304-7	14VB-2-316L-7	2	2.50	3.63
14VB-2.5-304-7	14VB-2.5-316L-7	2½	2.50	4.13
14VB-3-304-7	14VB-3-316L-7	3	2.50	5.00
14VB-4-304-7	14VB-4-316L-7	4	2.50	6.19
14VB-6-304-7	14VB-6-316L-7	6	3.50	8.63

Phonographic spiral groove face.
Typically used with 38SL flanges.

Slip-On Flange38SL-Size-Material

304 Material Part #	316L Material Part #	Size OD (in)	A (in)	B (in)	C (in)	D (in)	# of Bolt Holes
38SL-0.5-304	38SL-0.5-316L	½	3.50	0.38	0.56	2.38	4
38SL-0.75-304	38SL-0.75-316L	¾	3.87	0.38	0.81	2.75	4
38SL-1-304	38SL-1-316L	1	4.25	0.38	1.06	3.13	4
38SL-1.5-304	38SL-1.5-316L	1½	5.00	0.38	1.56	3.88	4
38SL-2-304	38SL-2-316L	2	6.00	0.44	2.06	4.75	4
38SL-2.5-304	38SL-2.5-316L	2½	7.00	0.44	2.56	5.50	4
38SL-3-304	38SL-3-316L	3	7.50	0.50	3.06	6.00	4
38SL-4-304	38SL-4-316L	4	9.00	0.50	4.06	7.50	8
38SL-6-304	38SL-6-316L	6	11.00	0.56	6.06	9.50	8
38SL-8-304	-	8	14.00	0.56	8.06	11.80	8
38SL-10-304	-	10	16.00	0.68	10.06	14.30	12
38SL-12-304	-	12	19.00	0.68	12.06	17.00	12

Flat face.
150lb. Bolt hole pattern on all sizes.

Slip-On 150# Flange38SL-Size-Material-150-T

316L Material Part #	Size OD (in)	A (in)	B (in)	C (in)	D (in)	# of Bolt Holes
38SL-0.5-316L-150-T	½	3.50	0.44	0.56	2.38	4
38SL-0.75-316L-150-T	¾	3.87	0.50	0.81	2.75	4
38SL-1-316L-150-T	1	4.25	0.56	1.06	3.13	4
38SL-1.5-316L-150-T	1½	5.00	0.69	1.56	3.88	4
38SL-2-316L-150-T	2	6.00	0.75	2.06	4.75	4
38SL-2.5-316L-150-T	2½	7.00	0.88	2.56	5.50	4
38SL-3-316L-150-T	3	7.50	0.94	3.06	6.00	4
38SL-4-316L-150-T	4	9.00	0.94	4.06	7.50	8
38SL-6-316L-150-T	6	11.00	1.00	6.06	9.50	8

ASTM A182 ANSI B16.5 Class 150.
Phonographic spiral groove face.
Also known as back up flange.

Bevel Seat Adapters

Plain x Rubber Hose Bevel Seat Adapter14AHR-Size-Material-Finish

304 Material Part # (7 Finish)	Size OD (in)	A (in)	B (in)
14AHR-1.5-304-7	1½	1.69	1.50
14AHR-2-304-7	2	2.31	2.00
14AHR-3-304-7	3	3.50	3.00
14AHR-4-304-7	4	4.00	4.00

Plain x Tygon Hose Bevel Seal Adapter14AHT-Size-Material-Finish

304 Material Part # (7 Finish)	Size OD (in)	A (in)	B (in)
14AHT-1-304-7	1	4.69	1.00
14AHT-1.5-304-7	1½	4.72	1.50
14AHT-2-304-7	2	4.72	2.00
14AHT-2.5-304-7	2½	4.84	2.50
14AHT-3-304-7	3	4.91	3.00
14AHT-4-304-7	4	5.22	4.00

Threaded x Tygon Hose Bevel Seat Adapter15AHT-Size-Material-Finish

304 Material Part # (7 Finish)	Size OD (in)	A (in)	B (in)
15AHT-1-304-7	1	4.50	1.00
15AHT-1.5-304-7	1½	4.50	1.50
15AHT-2-304-7	2	4.50	2.00
15AHT-2.5-304-7	2½	4.50	2.50
15AHT-3-304-7	3	4.50	3.00

Threaded x Male NPT Bevel Seat Adapter21-Size-Material-Finish

304 Material Part # (7 Finish)	Size OD (in)	A (in)	B (in)
21-1X1-304-7	1 x 1	2.25	0.66
21-1.5X1.5-304-7	1½ x 1½	2.44	0.72
21-2X2-304-7	2 x 2	2.66	0.75
21-3X3-304-7	3 x 3	3.55	1.20

Threaded x Female NPT Bevel Seat Adapter22-Size-Material-Finish

304 Material Part # (7 Finish)	Size OD (in)	A (in)	B (in)
22-1X1-304-7	1 x 1	2.17	0.60
22-1.5X1.5-304-7	1½ x 1½	2.25	0.55
22-2X2-304-7	2 x 2	2.34	0.55
22-2.5X2.5-304-7	2½ x 2½	2.09	0.67
22-3X3-304-7	3 x 3	2.19	0.75

Tri-Clamp x Plain Bevel Seat Adapter17MP-14-Size-Material-Finish

304 Material Part # (7 Finish)	Size OD (in)	A (in)
17MP-14-1-304-7	1	3.00
17MP-14-1.5-304-7	1½	3.00
17MP-14-2-304-7	2	3.00
17MP-14-2.5-304-7	2½	3.50
17MP-14-3-304-7	3	3.75
17MP-14-4-304-7	4	4.00

Tri-Clamp x Threaded Bevel Seat Adapter17MP-15-Size-Material-Finish

304 Material Part # (7 Finish)	Size OD (in)	A (in)
17MP-15-1-304-7	1	1.69
17MP-15-1.5-304-7	1	1.72
17MP-15-2-304-7	2	1.72
17MP-15-2.5-304-7	2	1.84
17MP-15-3-304-7	3	1.91
17MP-15-4-304-7	4	2.34

More Adapters

Need a more corrosion-resistant adapter? Check out the AL-6XN Alloy Adapters and Hastelloy C-22 Adapters pages for additional material options.

Still don't see what you need? Call CSI for configurations not listed or for custom fabrications.

Stainless Steel Tube and Pipe Adapters

Models

Industries

Tube x Pipe Adapters

Features

Technical Data

Butt Weld Pipe x Butt Weld Tube Concentric AdaptersSW31 (Size Pipe) PX (Size Tube) T

Butt Weld Pipe x Butt Weld Tube Eccentric AdaptersSW32 (Size Pipe) PX (Size Tube) T

Butt Weld Pipe x Tri-Clamp® Tube Adapters14MPW (Size) P

Hose Barb Adapters

FEATURES

Technical Data

Butt Weld x Hose Barb Adapters

Tri-Clamp x Hose Barb Adapters14MPHRXL-Size-Material-Finish

Tri-Clamp Reducing Hose Barb Adapters14MPHR-Tri-Clamp SizeXHose Barb Size-Material-Finish

Flange x Tri-Clamp Adapters38MP-Size-Material

Flange x Tri-Clamp Adapters, Class 30038MP-Size-Material-300

Flange x Butt Weld Adapters38BW-Size-Material

Flange x Butt Weld Adapters, Class 30038BW-Size-Material-300

Blind Flange38BF-Size-Material

Tube Weld Neck Flange38W-Size-Material

Adapters from Alfa Laval

Tri-Clamp x Tygon Hose Adapters14MPHT-Size-Material-Finish

Tri-Clamp x Female NPT Adapters22MP-Size-Material-Finish

Tri-Clamp x Male NPT Adapters21MP-Size-Material-Finish

Butt Weld x Male NPT Adapters19WB-Size-Material-Finish

Butt Weld x Female NPT Adapters22WB-Size-Material-Finish

Lap Joint Stub End14VB-Size-Material-Finish

Slip-On Flange38SL-Size-Material

Slip-On 150# Flange38SL-Size-Material-150-T

Bevel Seat Adapters

Plain x Rubber Hose Bevel Seat Adapter14AHR-Size-Material-Finish

Plain x Tygon Hose Bevel Seal Adapter14AHT-Size-Material-Finish

Threaded x Tygon Hose Bevel Seat Adapter15AHT-Size-Material-Finish

Threaded x Male NPT Bevel Seat Adapter21-Size-Material-Finish

Threaded x Female NPT Bevel Seat Adapter22-Size-Material-Finish

Tri-Clamp x Plain Bevel Seat Adapter17MP-14-Size-Material-Finish

Tri-Clamp x Threaded Bevel Seat Adapter17MP-15-Size-Material-Finish

More Adapters

Product Resources

Stainless Steel Tube and Pipe Adapters (Alfa Laval)

Literature

Videos

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Butt Weld Pipe x Tri-Clamp^® Tube Adapters14MPW (Size) P