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ELAFLEX EXPANSION JOINT

ERV-R - EPDM

Picture

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

Picture

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

Picture

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

Picture

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

Picture

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°
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  • Home
  • Products
    • Industrial valves >
      • Piston valve
      • Globe valve
      • Plug valve
      • Ball valve
    • Water Valves >
      • GATE VALVE
      • BUTTERFLY VALVE
      • CHECK VALVE
    • Expansion joints >
      • Rubber expansion joint >
        • Arcade expansion joint
        • Elaflex expansion joint
        • Dilatoflex expansion joint
      • Metal expansion joint >
        • Welding ends expansion joint
        • Flanged expansion joint
        • Vibration expansion joint
        • Lateral expansion joint
        • Central heating expansion joint
      • PTFE expansion joint
    • Flexible hoses >
      • PTFE tubing
      • Metallic hose
      • Composite hose
    • Repair clamps
    • Heated Products >
      • Temperature controller
      • Heating hose
      • Heating cable
      • Silicone heating element
  • About us
  • Contact