ELAFLEX EXPANSION JOINT

ERV-R - EPDM

Features

RED BAND expansion joints in High-Tech design for water, drinking water, cold and warm waste water, seawater, cooling water, also with chemical additives for water treatment up to 90° Celsius. Working pressure as per chart up to 16 bar. Allowable vacuum see overleaf. Also very suitable for chemical waste water (without oil containing additives), chemicals, acids and alkalis, salt solutions, technical alcohols, esters and ketones.
Not suitable for all kinds of mineral oil products, cooling water with added oil containing corrosion preventatives, oily compressor air.

Advantages & caution

Assets : 

• ACS approved
• Availability
• Good aging
• Can be restrained with tie rods

Design Pressure : 16 bar
Bellow : EDPM
FLANGES : Zinc PLATED carbon steel - Stainless steel

Diameter	Flanges PN	D	kØ	lxØ	Length mm	Weight kg	Reference Type
DN25 1''	16	115	85	4 x 14	130	1,5	ERV-R 25.16
DN32 1''1/4	16	140	100	4 x 18	130 160	2,5 2,7	ERV-R 32.16 ERV-R32x160.16
DN40 1''1/2	16	150	110	4 x 18	130 160	3,0 3,2	ERV-R 40.16 ERV-R 40x160.16
DN50 2''	16	165	125	4 x 18	130 150 160	4,0 4,1 4,2	ERV-R 50.16 ERV-R 50x150.16 ERV-R 50x160.16
DN65 2''1/2	16	185	145	4 x 18	130 150 160	4,5 4,6 4,7	ERV-R 65.16 ERV-R 65x150.16 ERV-R 65x160.16
DN80 3''	16	200	160	8 x 18	130 150 160	5,5 5,6 5,7	ERV-R 80.16 ERV-R 80x150.16 ERV-R 80x160.16
DN100 4''	16	220	180	8 x 18	130 150 160	7,0 7,1 7,2	ERV-R 100.16 ERV-R 100x150.16 ERV-R 100x160.16
DN125 5''	16	250	210	8 x 18	130 150 160	8,5 8,6 8,7	ERV-R 125.16 ERV-R 125x150.16 ERV-R 125x160.16
DN150 6''	16	285	240	8 x 22	130 150 160	11,0 11,1 11,2	ERV-R 150.16 ERV-R 150x150.16 ERV-R 150x160.16
DN200 8''	10	340	295	8 x 22	130 150 160 175	17,0 17,1 17,2 17,3	ERV-R 200.10 ERV-R 200x150.10 ERV-R 200x160.10 ERV-R 200x175.10
DN250 10''	10	395	350	12 x 22	130 175 200	23,5 23,8 24,0	ERV-R 250.10 ERV-R 250x175.10 ERV-R 250x200.10
DN300 12''	10	445	400	12 x 22	130 200	27,0 27,5	ERV-R 300.10 ERV-R 300x200.10
DN350 14''	10	505	460	16 x 22	200	39,5	ERV-R 350.10
DN400 16''	10	565	515	16 x 26	200	42,0	ERV-R 400.10
DN500 20''	10	670	620	20 x 26	200	59,5	ERV-R 500.10
DN600 24''	10	780	725	20 x 30	200	70,0	ERV-R 600.10
DN700 28''	10	895	840	24 x 30	275	135,0	ERV-R 700.10
DN800 32''	10	1015	950	24 x 33	250	125,0	ERV-R 800.10
DN900 36''	10	1115	1050	28 x 33	300	205,0	ERV-R 900.10
DN1000 40''	10	1230	1160	28 x 36	300	245,0	ERV-R 1000.10

Admissible movements for ERV-R

Length	L min	L max	Max lateral movement	DN	Angular movement
130 mm	100 mm	160 mm	30 mm	25-50	30°
150 mm	115 mm	180 mm	30 mm	65-80	25°
160 mm	125 mm	195 mm	35 mm	100-150	20°
175 mm	135 mm	210 mm	35 mm	200-300	10°
200 mm	160 mm	235 mm	35 mm	350-600	8°
250 mm	210 mm	285 mm	35 mm	700-800	6°
300 mm	260 mm	340 mm	40 mm	900-1000	5°

ELAFLEX EXPANSION JOINT

ERV-G - NITRILE

Features

YELLOW BAND expansion joints in High-Tech design suitable for petroleum based products, fuel ethanol blend e.g. E85 and DIN EN fuels up to 50% aromatic content, also town gas and natural gas, except for LP gas. Temperature (depending on medium) range -20°C up to +90°C, temporarily up to +100°C. Electrically conductive.

Advantages & caution

Assets : 

• Excellent manufacture
• Availability
• Good aging
• Can be restrained with tie rods
• DNV-GL approved
• DVGW approved

Design Pressure : 16 bar
Bellow : NBR (nitrile)
FLANGES : Zinc PLATED carbon steel - Stainless steel

Diameter	Flanges PN	D	kØ	lxØ	Length mm	Weight kg	Reference Type
DN25 1''	16	115	85	4 x 14	130	1,5	ERV-G 25.16
DN32 1''1/4	16	140	100	4 x 18	130 160	2,5 2,7	ERV-G 32.16 ERV-G32x160.16
DN40 1''1/2	16	150	110	4 x 18	130 160	3,0 3,2	ERV-G 40.16 ERV-G 40x160.16
DN50 2''	16	165	125	4 x 18	130 150 160	4,0 4,1 4,2	ERV-G 50.16 ERV-G 50x150.16 ERV-G 50x160.16
DN65 2''1/2	16	185	145	4 x 18	130 150 160	4,5 4,6 4,7	ERV-G 65.16 ERV-G 65x150.16 ERV-G 65x160.16
DN80 3''	16	200	160	8 x 18	130 150 160	5,5 5,6 5,7	ERV-G 80.16 ERV-G 80x150.16 ERV-G 80x160.16
DN100 4''	16	220	180	8 x 18	130 150 160	7,0 7,1 7,2	ERV-G 100.16 ERV-G 100x150.16 ERV-G 100x160.16
DN125 5''	16	250	210	8 x 18	130 150 160	8,5 8,6 8,7	ERV-G 125.16 ERV-G 125x150.16 ERV-G 125x160.16
DN150 6''	16	285	240	8 x 22	130 150 160	11,0 11,1 11,2	ERV-G 150.16 ERV-G 150x150.16 ERV-G 150x160.16
DN200 8''	10	340	295	8 x 22	130 150 160 175	17,0 17,1 17,2 17,3	ERV-G 200.10 ERV-G 200x150.10 ERV-G 200x160.10 ERV-G 200x175.10
DN250 10''	10	395	350	12 x 22	130 175 200	23,5 23,8 24,0	ERV-G 250.10 ERV-G 250x175.10 ERV-G 250x200.10
DN300 12''	10	445	400	12 x 22	130 200	27,0 27,5	ERV-G 300.10 ERV-G 300x200.10
DN350 14''	10	505	460	16 x 22	200	39,5	ERV-G 350.10
DN400 16''	10	565	515	16 x 26	200	42,0	ERV-G 400.10
DN500 20''	10	670	620	20 x 26	200	59,5	ERV-G 500.10
DN600 24''	10	780	725	20 x 30	200	70,0	ERV-G 600.10
DN700 28''	10	895	840	24 x 30	275	135,0	ERV-G 700.10
DN800 32''	10	1015	950	24 x 33	250	125,0	ERV-G 800.10
DN900 36''	10	1115	1050	28 x 33	300	205,0	ERV-G 900.10
DN1000 40''	10	1230	1160	28 x 36	300	245,0	ERV-G 1000.10

Admissible movements for ERV-G

Length	L min	L max	Max lateral movement	DN	Max angular movement
130 mm	100 mm	160 mm	30 mm	25-50	30°
150 mm	115 mm	180 mm	30 mm	65-80	25°
160 mm	125 mm	195 mm	35 mm	100-150	20°
175 mm	135 mm	210 mm	35 mm	200-300	10°
200 mm	160 mm	235 mm	35 mm	350-600	8°
250 mm	210 mm	285 mm	35 mm	700-800	6°
300 mm	260 mm	340 mm	40 mm	900-1000	5°

ELAFLEX EXPANSION JOINT

ERV-GR - HYPALON

Features

GREEN BAND expansion joints for chemicals, acids, alkalis and agressive chemical waste water. For oil-contaminated compressed air up to +90°C. Temperature range (depending on medium) -20°C up to +100°C, temporarily up to +110°C. Electrically non-conductive.

Advantages & caution

Assets : 

• Excellent manufacture
• Availability
• Good aging
• Can be restrained with tie rods

Design Pressure : 16 bar
Bellow : Hypalon (CSM)
FLANGES : Zinc PLATED carbon steel - Stainless steel

Diameter	Flanges PN	D	kØ	lxØ	Length mm	Weight kg	Reference Type
DN25 1''	16	115	85	4 x 14	130	1,9	ERV-GR 25.16
DN32 1''1/4	16	140	100	4 x 18	130	3,4	ERV-GR 32.16
DN40 1''1/2	16	150	110	4 x 18	130	4,0	ERV-GR 40.16
DN50 2''	16	165	125	4 x 18	130	4,6	ERV-GR 50.16
DN65 2''1/2	16	185	145	4 x 18	130	5,3	ERV-GR 65.16
DN80 3''	16	200	160	8 x 18	130	6,9	ERV-GR 80.16
DN100 4''	16	220	180	8 x 18	130	8,0	ERV-GR 100.16
DN125 5''	16	250	210	8 x 18	130	9,9	ERV-GR 125.16
DN150 6''	16	285	240	8 x 22	130	12,3	ERV-GR 150.16
DN200 8''	10	340	295	8 x 22	130	16,5	ERV-GR 200.10
DN250 10''	10	395	350	12 x 22	130	21,6	ERV-GR 250.10
DN300 12''	10	445	400	12 x 22	130	29,3	ERV-GR 300.10
DN350 14''	10	505	460	16 x 22	200	43,0	ERV-GR 350.10
DN400 16''	10	565	515	16 x 26	200	46,0	ERV-GR 400.10
DN450 18''	10	615	565	20 x 26	200 250	50,0 53,0	ERV-GR 450.10 ERV-GR 450x250.10
DN500 20''	10	670	620	20 x 26	200	57,0	ERV-GR 500.10
DN600 24''	10	780	725	20 x 30	200	70,0	ERV-GR 600.10
DN700 28''	10	895	840	24 x 30	260	117,0	ERV-GR 700.10

​Admissible movements for ERV-GR

Length	L min	L max	Max lateral movement	DN	Max angular movement
130 mm	100 mm	150 mm	30 mm	25-80	30°
130 mm	100 mm	150 mm	30 mm	100-150	20°
130 mm	105 mm	160 mm	30 mm	200	10°
130 mm	120 mm	160 mm	15 mm	250-300	5°
200 mm	160 mm	235 mm	30 mm	350-600	8°
250 mm	205 mm	285 mm	30 mm	450	10°
260 mm	220 mm	290 mm	30 mm	700	5°

ELAFLEX EXPANSION JOINT

ROTEX

Features

ROTEX expansion joints suitable for permanent use with hot heating water, cooling water and hot air. Approved according to DIN up to 100°C by 10 bar and up to 110°C by 6 bar.  Temperature range (depending on medium) -40°C up to +130°C, temporarily up to +150°C.
Electrically dissipative.
Not suitable for drinking water, cooling water with oil containing additives, oily compressor air, permanent effect of steam. 

ADVANTAGES & caution

Assets : 

• Excellent manufacture
• Availability
• Good aging
• Can be restrained with tie rods

Design Pressure : 16 bar
Bellow : EPDM resisting to ozone and heat
FLANGES : Zinc PLATED carbon steel - Stainless steel

Diameter	Flanges PN	D	kØ	lxØ	Length mm	Weight kg	Reference Type
DN25 1''	16	115	85	4 x 14	130	1,5	ROTEX 25.16
DN32 1''1/4	16	140	100	4 x 18	130	2,5	ROTEX 32.16
DN40 1''1/2	16	150	110	4 x 18	130	3,0	ROTEX 40.16
DN50 2''	16	165	125	4 x 18	130 160	4,0 4,2	ROTEX 50.16 ROTEX 50x160.16
DN65 2''1/2	16	185	145	4 x 18	130 160	4,5 4,7	ROTEX 65.16 ROTEX 65x160.16
DN80 3''	16	200	160	8 x 18	130 150 160	5,5 5,6 5,7	ROTEX 80.16 ROTEX 80x150.16 ROTEX 80x160.16
DN100 4''	16	220	180	8 x 18	130 150 160	7,0 7,1 7,2	ROTEX 100.16 ROTEX 100x150.16 ROTEX 100x160.16
DN125 5''	16	250	210	8 x 18	130 150 160	8,5 8,6 8,7	ROTEX 125.16 ROTEX 125x150.16 ROTEX 125x160.16
DN150 6''	16	285	240	8 x 22	130 150 160	11,0 11,1 11,2	ROTEX 150.16 ROTEX 150x150.16 ROTEX 150x160.16
DN200 8''	10	340	295	8 x 22	130 150 160 175	17,0 17,1 17,2 17,3	ROTEX 200.10 ROTEX 200x150.10 ROTEX 200x160.10 ROTEX 200x175.10
DN250 10''	10	395	350	12 x 22	130 175 200	23,5 23,8 24,0	ROTEX 250.10 ROTEX 250x175.10 ROTEX 250x200.10
DN300 12''	10	445	400	12 x 22	130 200	27,0 27,5	ROTEX 300.10 ROTEX 300x200.10
DN350 14''	10	505	460	16 x 22	200	39,5	ROTEX 350.10
DN400 16''	10	565	515	16 x 26	200	42,0	ROTEX 400.10
DN500 20''	10	670	620	20 x 26	200	59,5	ROTEX 500.10
DN600 24''	10	780	725	20 x 30	200	70,0	ROTEX 600.10
DN700 28''	10	895	840	24 x 30	275	135,0	ROTEX 700.10
DN800 32''	10	1015	950	24 x 33	250	125,0	ROTEX 800.10
DN900 36''	10	1115	1050	28 x 33	300	205,0	ROTEX 900.10
DN1000 40''	10	1230	1160	28 x 36	300	245,0	ROTEX 1000.10

​​Admissible movements for ROTEX

DN	L min	L max	Max lateral movement	Max angular movement
DN 25 - DN80	-30 mm	+30 mm	20 mm	30°
DN 100 - DN 150	-30 mm	+30 mm	20 mm	20°
DN 200 - DN 300	-30 mm	+30 mm	20 mm	12°
DN 350 - DN 600	-40 mm	+35 mm	20 mm	8°
DN 700 - DN 1000	-40 mm	+35 mm	20 mm	5°

ELAFLEX EXPANSION JOINT

ERV-W

Features

WHITE BAND expansion joints for foodstuffs, also containing fat. Liner conforms to German foodstuff regulations. Not approved for drinking water. Temperature range (depending on medium) -20°C up to +90°C, temporarily up to +100°C.
Electrically non-conductive.

ADVANTAGES & caution

Assets : 

• FDA approved
• Availability
• Good aging
• Can be restrained with tie rods

Design Pressure : 16 bar
Bellow : NBR light grey
FLANGES : Zinc PLATED carbon steel - Stainless steel

Diameter	Flanges PN	D	kØ	lxØ	Length mm	Weight kg	Reference Type
DN25 1''	16	115	85	4 x 14	130	1,9	ERV-W 25.16
DN32 1''1/4	16	140	100	4 x 18	130	3,4	ERV-W 32.16
DN40 1''1/2	16	150	110	4 x 18	130	4,0	ERV-W 40.16
DN50 2''	16	165	125	4 x 18	130	4,6	ERV-W 50.16
DN65 2''1/2	16	185	145	4 x 18	130	5,3	ERV-W 65.16
DN80 3''	16	200	160	8 x 18	130	6,9	ERV-W 80.16
DN100 4''	16	220	180	8 x 18	130	8,0	ERV-W 100.16
DN125 5''	16	250	210	8 x 18	130	9,9	ERV-W 125.16
DN150 6''	16	285	240	8 x 22	130	12,3	ERV-W 150.16
DN200 8''	10	340	295	8 x 22	130	16,5	ERV-W 200.10
DN250 10''	10	395	350	12 x 22	130	21,6	ERV-W 250.10
DN300 12''	10	445	400	12 x 22	130	29,3	ERV-W 300.10
DN350 14''	10	505	460	16 x 22	200	43,0	ERV-W 350.10
DN400 16''	10	565	515	16 x 26	200	46,0	ERV-W 400.10
DN450 18''	10	615	565	20 x 26	200 250	50,0 53,0	ERV-W 450.10 ERV-W 450x250.10
DN500 20''	10	670	620	20 x 26	200	57,0	ERV-W 500.10
DN600 24''	10	780	725	20 x 30	200	70,0	ERV-W 600.10

​​Admissible movements for ERV-W

Length	L min	L max	Max lateral movement	DN	Max angular movement
130 mm	100 mm	150 mm	30 mm	25-80	30°
130 mm	100 mm	150 mm	30 mm	100-150	20°
130 mm	105 mm	160 mm	30 mm	200	10°
130 mm	120 mm	160 mm	15 mm	250-300	5°
200 mm	160 mm	235 mm	30 mm	350-600	8°
250 mm	205 mm	285 mm	35 mm	450	10°