Double Bellows Dual Ball Threaded Rubber Expansion Joint

• Standard: DIN, ANSI, GB, JIS, BSW
• Material: Ductile Iron
• Connection: Flange
• Surface Treatment: Galvanized Sheet
• Head Type: Round
• Medium: Sea Water/Oil/Gas/Acid/Alkali
• Model NO.: REJ08
• Delivery Time: 20~40 Days, Depend on The Quantity
• Color: Black, Green, Gray, Silver.
• Flange Materila: Ci/Di/Wcb/Alb/CF8/CF8m
• Connect Type: Flange, Thread
• Environmental Test: Lead Free
• Export Markets: Global
• Rubber Material: NBR/Cr/EPDM/Iir
• Transport Package: Box&Crate, Standard Export Packaging
• Specification: Dn15 -Dn80
• Trademark: XINBO /OEM
• Origin: Zhejiang China
• HS Code: 7307990000
• Production Capacity: 50000PCS/Year

Product Description

 double bellows dual ball threaded rubber expansion joint EPDM rubber flexible expansion galvanized pipe coupling,ouble Sphere Rubber Bellows/ flexible rubber expansion joint,2018 most popular ball rubber expansion joint fittings bellow coupling

Technical Parameters and Raw Material

Nominal diameter(mm)		20~80	20~80
Nominal pressure(Mpa)		1.0	1.6
Testing pressure	Seal(Mpa)	1.1	1.76
Explosion pressure(Mpa)		4.8
Suitable temperature(°C)		-15°C~110°C
Suitable medium		Air,compressed air,water,seawater,hotwater,oil and acid
Threaded Connector		Malleable Cast Iron
Key frame		Nylon Cord Fabric
Inner/Outer Rubber		EPDM/NBR/NR
Pressurised ring		Steel wire

 

Overall Dimension and Weight

 

Size		Length(mm)	Axial Displacement		Horizontal displacement (mm)	Deflexion angle		Weight (kg)
DN	INCH		Extrnsion	Compression
20	3/4	200	5~6	22	22	45°		0.9
25	1	200	5~6	22	22	45°		1.15
32	1.25	200	5~6	22	22	45°		1.4
40	1.5	200	5~6	22	22	45°		1.65
50	2	200	5~6	22	22	45°		2.25
65	2.5	265	8~10	24	24	45°		3.25
80	3	285	8~10	24	24	45°		4.2

Why Choose US





We test leakage of each roll before braiding, then we cut 300mm and crimp it to test
burst pressure after brading.

We use CNC Lathes Machine for end fittings production. Machine system, knife and inspection
tools are all imported from Japan.

We use Techmaflex Crimping Machine which is imported from France. This machine has
accurate and stable performance for crimping because it is produced for PTFE hose crimping only.

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