42″ Single Expansion Joints for an Exhaust Duct Application at a Gas Turbine Facility in Indiana

Usbellows single expansion joint 132974

Type: Single Expansion Joints

Size: 42″ ID | 24″Face-To-Face

Material: Inconel 600 | 304 Stainless Steel | Carbon Steel

Design: 350°F Operating Temp. @ 100 psig | 0.75″ Lateral

Testing: Hydro-tested

These single expansion joints were custom designed by U.S. Bellows for an exhaust duct application at a gas turbine facility in Indiana. The units have a 42” ID and are 27” face-to-face. The bellows were fabricated from Inconel 600, the liners from 304 stainless steel, and the cover, rods, and hardware from carbon steel with red oxide primer on all exposed carbon steel. They are designed for an operating temperature of 350°F at 100 psig, 0.625” of axial compression and 0.75” of lateral deflection. The expansion joints were hydro-tested prior to shipment

Externally Pressurized Expansion Joint for a Reformer Unit in Saudi Arabia

Usbellows externally pressurized expansion joint 139221

Type: Externally Pressurized Expansion Joints

Size: 59 9/16″ Long | 3″ Nominal Pipe Size

Material: 304 Stainless Steel | Chrome-Moly

Design: 1020°F Operating Temp. @ 140 psig | 11.75″ Axial

Testing: 100% Dye-Penetrant | X-Ray | Hydro-tested

This externally pressurized expansion joint was designed by U.S. Bellows for a reformer unit at a refinery in Saudi Arabia. It is 59 9/16″ long with a nominal pipe size of 3″. The bellows were fabricated from 304 stainless steel and the pipe, flanges and hardware from chrome-moly. The unit is designed for an operating temperature of 1020°F at 140 psig. 11.75″ of axial compression and 1.25″ of extension. The expansion joint was 100% dye-penetrant tested, x-ray tested the bellows, and hydro-tested prior to shipment

Custom Single Expansion Joints for an Asphault Facility in Saudi Arabia

Usbellows single expansion joint 157836

Type: Single Expansion Joints

Size: 19 11/16″ Long | 12″ Nominal Pipe Size

Material: 316 Stainless Steel | Carbon Steel

Design: 220°F Operating Temp. @ 75 psig | 0.6″ Axial & Lateral

Testing: 100% Dye-Penetrant

U.S. Bellows custom designed these single expansion joints for an asphalt facility in Saudi Arabia. They are 19 11/16″ long and a nominal pipe size of 12″. The bellows and liners were fabricated from 316 stainless steel, with the flanges and tie rods from carbon steel. They are designed for an operating pressure of 75 psig at 220°F and 0.6″ axial compression and lateral deflection. The units were 100% dye-penetrant tested and hydro-tested prior to shipment.

Badger Industries to U.S. Bellows Equivalency Chart

Accessories & Series

	Badger	U.S. Bellows
Single	Leave Blank	S
Anchor Support Base	A	A
Double Expansion Joint	D	D
Gimbal Expansion Joint	G	GIM_S, GIM_D
Hinged Expansion Joint	H	HIN_S, HIN_D
Limit Rods	L	R
Slotted Hinges or Guide Bars	SH	T
Tie Rods	T	T
Universal Expansion Joint	U	U

Type of End Connections

	Badger	U.S. Bellows
Van Stoned Flanges	V	F
Welding Ends	W	W
Fixed Flanges	SF	F

Type Numbers

	Pathway	U.S. Bellows
Standard	1
Reinforcing Rings	2	RR
Internal Sleeve	3	L
Internal Sleeve & Reinforcing Rings	4	LRR
Covers	5	C
Covers, & Reinforcing Rings	6	CRR
Covers, Internal Sleeves	7	CL
Covers, Internal Sleeves, Reinforcing Rings	8	CLRR

Weld Type Ends

Odd numbers refer to series SR joints.

Even numbers refer to series SSR joints

The last digit of the type number indications the accessories furnished. IE: V4 indications having Van Stoned flanges, reinforcing rings and an internal sleeve

NOTE: This cross reference is for application use only. Items may not be identical in shape or dimension. Check with U.S. Bellows if in doubt. For questions call Toll-free 1-800-787-5914

Pathway to U.S Bellows Equivalency Chart

Pipe Expansion Joint Types

	Pathway	U.S. Bellows
Single	CS	S
single universal	CSU	U
single hinged	CSH	HIN_S
single gimbal	CSG	GIM_S
singe xflex	CSX	XS
singe tied	CST	S
Double
double hinged	DH	HIN_D
double gimbal	DG	GIM_D
double xflex	DX	XD
Tied
Tied	CT	S or U
Universal
universal single	CU	U
universal gimbal	CGU	GIM_U
universal hinged	CHU	HIN_U
universal tied	CTU	U

Pipe Expansion Joint Materials

	Pathway	U.S. Bellows
304	M-1	4
304L	M-2	4
316	M-3	16
316L	M-4	16
321	M-5	21
Allow 400 (Monel)	M-6	40
Alloy 600	M-7	60
Allow 625 GR. 1	M-12	62
Alloy 800	M-14	80
Alloy 825	M-15	82
Alloy 201 (Nickel)	M-16	201
Allow C276	M-17	2205
Ziconium GR. 702	M-20	702
Alloy 800H	M-21	80H

Flange Ends Materials

	Pathway	U.S. Bellows
Carbon Steel	FF	F01
304 stainless steel	FF1	F04 – F04H – F04L
316 stainless steel	FF3	F16 – F16H – F16L
321 stainless steel	FF6	F21 – F21H – F21L
309 stainless steel		F09
Inconel 600	FF7	F60
Inconel 625	FF12	F62
Inconel 800	FF14	F80
Inconel 825	FF15	F82
Duplex 2205	FF17	F2205

Weld Type Ends

	Pathway	U.S. Bellows
Weld to Weld	WW	W
Weld to Flange	WF	W or F
Weld to Van Stone	WV	W
Weld to Banded	WB	W
Flange to Weld	FW	F or W
Flange to Flange	FF	F
Flange to Van Stone	FV	F
Flange to Banded	FB	F
Van Stone to Weld	VW	W
Van Stone to Flange	VF	F
Van Stone to Van Stone	VV	F
Van Stone to Banded	VB	F
Banded to Weld	BW	W
Banded to Flange	BF	F
Banded to Van Stone	BV	F
Banded to Banded	BB	W

NOTE: This cross reference is for application use only. Items may not be identical in shape or dimension. Check with U.S. Bellows if in doubt. For questions call Toll-free 1-800-787-5914

American BOA to U.S. Bellows Equivalency Chart

Expansion Joint Types / Unit

	American BOA	U.S. Bellows
Single		S
Hinged	A	HIN_S, HIN_U
Gimbal	G	GIM_S, GIM_U
Pressure Balanced Elbow	PB	PB_S, PB_U
Inline Pressure Balanced	PBI	PBI_S, PBI_U
Universal	U	U
External Pressure	X	X

Type End Fittings

	American BOA	U.S. Bellows
Fixed Forged Flangesd	FS	F01, F04
Fixed Plate Flanges	FSP	F01, F04
Floating Forged Flanges One End	FL	F01, F04
Floating Plate Flange One End	FLP	F01, F04
Floating Forged Flanges Both Ends	FLL	V01, V04
Floating Plate Flanges Both Ends	FLLP	V01, V04
Weld Ends	W	W
Customer Special	CS	F01, F04

Bellows Series

American BOA’s series number is based upon the pressures, temperatures, movements and cycle life for the expansion joint application. Please call us toll free, 1-800-787-5914, if you have any questions.

Optional Features

	American BOA	U.S. Bellows
Liner or Inner Sleeve	L	L
Shroud or Outer Cover	S	C# (C Followed by Material Number)
Tie Rods	T	T# (T Followed by Material Number)
Limit Rods	R	T# (T Followed by Material Number)
Control Rods	V	T# (T Followed by Material Number)
Drain Port	D	XD (X-Flex Joints Only)
Purge Port	P	XD (X-Flex Joints Only)
Anchor Base	A	XD (X-Flex Joints Only)

Bellows Material Class

	American BOA	U.S. Bellows
304 SS	M1	4
304L SS	M2	4
316 SS	M3	16
316L SS	M4	16
321 SS	M5	21
Monel 400	M6	40
Inconel 600	M7	60
Incoloy 825	M8	82
Nickel 200	M9	200
310 SS	M11	10
Inconel 625	M15	62

NOTE: This cross reference is for application use only. Items may not be identical in shape or dimension. Check with U.S. Bellows if in doubt. For questions call Toll-free 1-800-787-5914

Universal Expansion Joint with Oversized Bellows for a Crude Oil Line Application in Saudi Arabia

Type:	Universal Expansion Joints
Size:	48″ Diameter \| 77″ FTF
Material:	316 Stainless Steel \| Carbon Steel
Design	150°F Operating Temp. @ 25 psig \| 5.3″ Axial \| 2″ Lateral
Testing:	Hydro-tested @ 50 psig

U.S. Bellows custom designed this universal expansion joint for a crude oil line at an oil refinery in Saudi Arabia. This expansion joint was specially designed with oversized bellows to keep a smooth flow of oil along the line and avoid turbulence. The bellows were fabricated from a 316 stainless steel with all of the other components from carbon steel. The unit is 48″ in diameter and 77″ face-to-face. It is designed for an operating temperature of 150°F at 25 psig, 5.3″ of axial compression, and 2″ of lateral deflection. The unit was hydro-tested at 50 psig prior to shipment.

66″ Custom Designed Hinged Expansion Joint for a Chemical Plant in Saudi Arabia

Type:	Hinged Expansion Joints
Size:	66″ Diameter \| 39 3/8″ OAL
Material:	Incoloy 825 \| 321 Stainless Steel
Design	986°F Operating Temp. @ 73 psig \| 4.25° Angular
Testing:	100% Dye-Penetrant \| X-Ray \| Hydro-tested

This single hinged expansion joint was custom designed for a chemical plant in Saudi Arabia. The bellows were fabricated from Incoloy 825 and the cover, weld-ends, hinges, and liner from 321 stainless steel. The unit is 66″ in diameter and 39 3/8″ OAL. It is designed for an operating temperature of 986°F at 73 psig and 4.25° of angular rotation. The expansion joint was 100% dye-penetrant tested, the bellows and pipe longitudinal seam were x-ray tested and hydro-tested prior to shipment.

Fabric Expansion Joint Diagrams

Standard Fabric Expansion Joint

High Temperature 3-Layer Expansion Joint

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Refractory Lined Expansion Joint Diagram

Pressure Gauge – to monitor the pressure between the plies
Inconel 625 LCF Two-ply Testable Bellows with Wire Mesh between the Plies – the wire mesh ensures flow from one side to the other side across the convolutions
Carbon Steel Cover – pressure sealing in the even of bellows leak
Control Rods – limits thermal movement
304 Stainless Steel Test Port / Valve – connection for air test of bellows
Fire Blanket / KO Wool – keeps the bellows temperature above the dew point temperature of the flue gas (350°F to 450°F)
Carbon Steel Lifting Lug – facilitates lifting
Carbon Steel Shell
5″ Thick Vibra Cast Refractory – reduces shell temperature to 350°F
3/8″ Thick 304 Stainless Steel Liner with 3/4″ Thick Abrasion Resistant Refractory
Ceramic Fiber Bellows Packing – reduces bellows temperature to under 1000°F
309 Stainless Steel Hose Braid Packed with Ceramic Fiber – seals the liner gap to prevent the catalyst from collecting in the bellows
304 H Stainless Steel – insulation box
304 H Stainless Steel Refractory V Anchors – secures refractory to pipe