Vulcanized Double-Ball Expansion Joints Flexible Joint Rubber Bellow Flange

• Customization: Available
• Material: Silicone Rubber, EPDM, Nr, NBR, Irr
• Application: Machinery, Electronic Product, Vehicle, Household Appliance
• Model NO.: Custom
• Effect: Fixture&Sealing
• Cross-Section Shape: O-Rings
• Standard: DIN
• Connection: Flange
• Surface Treatment: Plated Copper
• Head Type: Round
• Hardness: 30-90 Shore a
• OEM/ODM: Welcomed
• Elongation at Break: >=300%
• Color: Black
• Transport Package: Inner Polybag with Carton Box
• Specification: customized
• Trademark: None
• Origin: China
• HS Code: 4001100000
• Production Capacity: 1000000PC/Month

Product Description

Technical information of galvanized flange rubber joint

NO.	Name	flange rubber joint
1	Outer/Inner rubber Material	NR,NBR,EPDM
2	Rubber sphere body	Nylon Cord Fabric
3	Reinforcing ring	Steel wire
4	Flange	Q235 /ss304/ss321 etc.

Type	1	2	3
Working pressure(kg f/cm2)	1.0(10)	1.6(16)	2.5(25)
Explosion pressure(kg f/cm2)	3.0(30)	4.8(48)	5.5(55)
VacuumKPa(mmHg)	53.3(400)	86.7(650)	100(750)
Applicable Temperature	-15~80,(-30~150 underspecial conditions)
Applicable Media	water,sea water,hot water,oil,acid,alkali, and so on

Size range from DN25-3000 are all available, special size and length can be customized

Nominal diamrter		Length (mm)	Axial displacement		Horizontal movement(mm)	Deflection angle(a1+a2)	Special length(mm)
mm	inch		Compression(mm)	Extension(mm)
32	1-1/4	95	9	6	9	15	130/150/200
40	1-1/2	95	10	6	9	15	130/150/200
50	2	105	10	7	10	15	130/150/200
65	2-1/2	115	13	7	11	15	130/150/200
80	3	135	15	8	12	15	130/150/200
100	4	150	19	10	13	15	130/200
125	5	165	19	12	13	15	130/150/200
150	6	180	20	12	14	15	130/150/200
200	8	210	25	16	22	15	130/150/200
250	10	230	25	16	22	15	130/150/200
300	12	245	25	16	22	15	130/150/200
350	14	255	25	16	22	15	130/150/200
400	16	255	25	16	22	15	130/150/200
450	18	255	25	16	22	15	130/150/200
500	20	255	25	16	22	15	200

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FAQ

Q: Are you manufacturer or trading company?
A: We are manufacturer, engineer had rich experience over 20 years. 

Q: How to get the quickest quotation?
A: Sending drawing, material, quantity and other rrequirements by email. 

Q: How to get quotation without drawing?
A: Possible send sample, pictures or detail descriptions of products to us, we will return you drawing for confirm.

Q: I have an idea for a new product, but not sure if it can be manufactured. Can you help?A. Yes! We are always happy to work with potential customers to evaluate the technical feasibility of your idea or design and we can advise on materials, tooling and likely set-up costs. 

Q: My custom products have already been developed on CAD. Can you use the drawings?
A. Yes! DWG, DXF, IGES, Solidworks and Rhino files can all be used to generate quotes, models and mould tools - this can save time and money in producing your parts.

Q: Can I test my idea/product before committing to mould tool manufacture?
A. Yes, we can use CAD drawings to make models for design and functional evaluations.

Q: What type of plastic/rubber material is best for my design/product?
A. Materials selection depends on the application of your design and the environment in which it will function. We will be happy to discuss the alternatives and suggest the best material.

Q: How to get sample?
A: Free sample is available for your quality evaluation, but you should pay the freight. Regarding customize products, sample and mould order will go first before mass production.