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Corrugated Flex Connectors

Family Number	Description
10	Tubing
11-12	Outlet Extensions
13	Cones
20-22	Flex
23-24	Bellows
30-31, 31M, 32-39	Elbows
40-45	Tube Fittings
50-52	Wye Connectors
60-63, 70, 73, 75	Flanges
68	Explosion Relief Cover Kits
76	Gaskets
77	NBG Kits
80-81	Thimbles
82-83	Rain Guards
84, 84HD	Rain Caps (Standard & Heavy-Duty)
85	Brackets
86-89 Clamps

Connections	Description
40	Slotted ID Cuff
60	ANSI Pattern
61	Caterpillar
62	Cummins
63	MTU
70	ANSI Reducing/Increasing
73	Flared Flange
75	Stack Breaker Flange
90	Female Half Coupling
91	Male NPT
Abbreviations
L/OAL	Length/Overall Length
H/OAH	Height/Overall Height
R	Radius
NS	Nominal Size
WT	Weight
BHC	Bolt Hole Center
DIA	Diameter
ID/OD	Inside Diameter/Outside Diameter

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Corrugated Flex Hose – 321 Stainless Steel

Part #	Gauge	WT Weight	NS Nominal Size	OD Outside Diameter	Order Now
20-020-L12	12	0.9	2	2.75
20-025-L12	12	1.16	2.5	3.17
20-030-L12	12	1.21	3	3.75
20-035-L12	12	1.62	3.5	4.38
20-040-L12	12	1.69	4	4.82
20-050-L12	12	2.5	5	5.87
20-060-L12	12	3.47	6	6.94
20-080-L12	12	5.56	8	9
20-100-L12	12	6.8	10	11
20-120-L12	12	9.02	12	13

Female NPT One End/ANSI Pattern Flange One End

Part #	L Length	WT Weight	NS Nominal Size	Order Now
21-020-L18-9060	18	6	2
21-025-L18-9060	18	8	2.5
21-030-L18-9060	18	9	3
21-035-L18-9060	18	11	3.5
21-040-L18-9060	18	12	4

Floating ANSI Pattern Flange One End/Fixed ANSI Pattern Flange One End

Part #	L Length	WT Weight	NS Nominal Size	Order Now
21-035-L18-60F60	18	17	3.5
21-040-L18-60F60	18	18	4
21-050-L18-60F60	18	21	5
21-060-L18-60F60	18	24	6
21-080-L18-60F60	18	34	8
21-100-L18-60F60	18	45	10
21-120-L18-60F60	18	63	12

Male NPT Both Ends

Part #	L Length	WT Weight	NS Nominal Size	Order Now
21-020-L18-9191	18	4	2
21-025-L18-9191	18	5	2.5
21-030-L18-9191	18	8	3
21-035-L18-9191	18	9	3.5
21-040-L18-9191	18	10	4
21-050-L18-9191	18	14	5
21-060-L18-9191	18	18	6

Male NPT One End/ANSI Pattern Flange One End

Part #	L Length	WT Weight	NS Nominal Size	Order Now
21-020-L18-9160	18	6	2
21-025-L18-9160	18	8	2.5
21-030-L18-9160	18	10	3
21-035-L18-9160	18	11	3.5
21-040-L18-9160	18	12	4
21-050-L18-9160	18	16	5
21-060-L18-9160	18	20	6

Slotted ID Cuff Both Ends

Part #	L Length	WT Weight	NS Nominal Size	Order Now
21-020-L18-4040	18	2	2
21-025-L18-4040	18	3	2.5
21-030-L18-4040	18	4	3
21-035-L18-4040	18	5	3.5
21-040-L18-4040	18	6	4
21-050-L18-4040	18	7	5
21-060-L18-4040	18	8	6
21-080-L18-4040	18	9	8
21-100-L18-4040	18	10	10

Slotted ID Cuff One End/ANSI Pattern Flange One End

Part #	L Length	WT Weight	NS Nominal Size	Order Now
21-020-L18-4060	18	6	2
21-025-L18-4060	18	8	2.5
21-030-L18-4060	18	9	3
21-035-L18-4060	18	10	3.5
21-040-L18-4060	18	11	4
21-050-L18-4060	18	12	5
21-060-L18-4060	18	15	6
21-080-L18-4060	18	20	8

Slotted ID Cuff One End/Female NPT One End

Part #	L Length	WT Weight	NS Nominal Size	Order Now
21-020-L18-4090	18	2	2
21-025-L18-4090	18	3	2.5
21-030-L18-4090	18	4	3
21-035-L18-4090	18	5	3.5
21-040-L18-4090	18	6	4
21-050-L18-4090	18	8	5
21-060-L18-4090	18	9	6

Slotted ID Cuff One End/Male NPT One End

21-060-L18-4091-OUTLINE

Part #	L Length	WT Weight	NS Nominal Size	Order Now
21-020-L18-4091	18	3	2
21-025-L18-4091	18	4	2.5
21-030-L18-4091	18	5	3
21-035-L18-4091	18	6	3.5
21-040-L18-4091	18	8	4
21-050-L18-4091	18	10	5
21-060-L18-4091	18	13	6