Moulded Rubber Bellows

Moulded Rubber Bellows for pressurised systems are available off-the-shelf with working pressures up to 16 bar achievable and diameters from 25mm to 600mm. Each unit is supplied with either mild or stainless steel spinning flanges drilled to match any flange table. For bore sizes up to 50mm bellows are also available with mild steel female union end fittings and are 200mm overall length as standard. Overall lengths for standard stock flanged bellows is 130mm and 150mm with other lengths obtainable upon request.

Each bellows is supplied with or without tie bars with non-standard flanges available to order.

Standard Materials

EPDM
Nitrile
Hypalon
White Nitrile
Viton

Applications

Pump vibration isolation
Thermal expansion
Cooling water
Heating systems
Sound and vibration dampening

Ask the experts

With over 50 years experience manufacturing bespoke flexible connectors, we can help with the design process and material selection. Why not give us a call to see how we can help you find the right solution.

Call us on 01606 836024 or email: sales@flexibleconnections.co.uk

Download Chemical & Size Table

Chemical table

Colour	Material	Main Applications	Max Temp C
Red	EPDM	Hot water, heating & ventilation systems, weak acids & alkalis	90
Double Red	EPDM	High temperature hot water, heating & ventilation systems, weak acids & alkalis.	130
Yellow	Nitrile	Oil & gas transportation, refineries	80
Green	Hypalon	Water, Good chemical resistant qualities for acids	90
Purple	Viton	High temp applications, transportation of products derived from petroleum / chemicals / oils / solvents	130
White	Food Grade Nitrile	Transportation of food stuffs, potable water distribution	80
Blue	Butyl HT	High temperature	110

Size Table

Nominal Bore (NB)		Standard Lengths		Alternative Length	Working Pressure	Movements
						Axial (mm)		Lateral (+/-)	Angular (+/-)
MM	INS	MM		MM	BAR	COMPRESSION	ELONGATION	MM	DEG
25	1	130	150	95	16	13	9	13	15
32	1 1/4	130	150	95	16	13	9	13	15
40	1 1/2	130	150	95	16	13	9	13	15
50	2	130	150	105	16	13	9	13	15
65	2 1/2	130	150	115	16	13	9	13	15
80	3	130	150	-	16	13	9	13	15
100	4	130	150	-	16	13	9	13	15
125	5	130	150	170	16	13	9	13	15
150	6	130	150	180	16	13	9	13	15
200	8	130	150	205	16	13	9	13	15
250	10	130	200	-	16	13	9	13	15
300	12	130	200	-	16	13	9	13	15
350	14	-	200	-	10	15	10	20	10
400	16	-	200	-	10	15	10	20	10
450	18	-	200	-	10	15	10	20	8
500	20	-	200	-	10	15	10	20	6
600	24	-	200	-	10	15	10	20	6

View Material Data Sheets

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