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NHFLEX-A
| MATERIAL SPECIFICATION | ||
| Part No. | Part | Standard Specification |
| 1 | Flange | Galvanized Carbon Steel |
| 2 | Reinforcing Ring | Carbon Steel |
| 3 | Rubber (lnner) | EPDM |
| 4 | Rubber (Outer) | EPDM |
| 5 | Reinforcing Fabric | Nylon Fabric |
NINGHAO Machinery presents the NBR NR EPDM VITON Flexible Rubber Piping Expansion Joint.
It serves piping systems.
The flange is made of galvanized carbon steel.
The reinforcing ring is carbon steel.
The inner rubber is EPDM.
The outer rubber is EPDM.
The reinforcing fabric is nylon.
This joint meets industry standards.
It works in many systems.
Note: For special material request other than standard specification, please indicate clearly on the inquiry or order list.
The NBR NR EPDM VITON Flexible Rubber Piping Expansion Joint by NINGHAO Machinery meets international standards. Its design supports various operating conditions. Below are its technical features:
Connection Ends
The joint uses flange drilling per BS EN 1092-2:1997.
This design aids in proper connection.
Working Pressure
The joint supports pressures of PN10 and PN16.
It operates within safe limits.
Temperature Range
The product works from 0°C to 80°C.
It suits many operational settings.
Vacuum Capacity
The joint handles a vacuum of 700 mmHg.
It maintains performance under vacuum conditions.
| DN (Inch) | DN (mm) | L (mm) | D (mm) | Ø (mm) | N-ØH | Elongation (mm) | Compression (mm) | Transverse Movement (mm) | Angular Deflection (°) |
|---|---|---|---|---|---|---|---|---|---|
| 1 1/4" | 32 | 95 | 140 | 100 | 4×18 | 6 | 10 | 10 | 25 |
| 1 1/2" | 40 | 95 | 150 | 110 | 4×18 | 6 | 10 | 10 | 25 |
| 2" | 50 | 105 | 165 | 125 | 4×18 | 6 | 10 | 10 | 25 |
| 2 1/2" | 65 | 115 | 185 | 145 | 8×18 | 8 | 15 | 12 | 25 |
| 3" | 80 | 135 | 200 | 160 | 8×18 | 8 | 15 | 12 | 25 |
| 4" | 100 | 150 | 220 | 180 | 8×18 | 12 | 20 | 16 | 15 |
| 5" | 125 | 165 | 250 | 210 | 8×18 | 12 | 20 | 16 | 15 |
| 6" | 150 | 180 | 285 | 240 | 8×22 | 12 | 20 | 16 | 15 |
| 8" | 200 | 210 | 340 | 295 | 12×22 | 12 | 20 | 16 | 15 |
| 10" | 250 | 230 | 405 | 355 | 12×26 | 14 | 30 | 25 | 8 |
| 12" | 300 | 230 | 460 | 410 | 12×26 | 14 | 30 | 25 | 8 |
| 14" | 350 | 265 | 520 | 470 | 12×26 | 14 | 30 | 25 | 8 |
| 16" | 400 | 265 | 580 | 525 | 16×30 | 14 | 30 | 25 | 8 |
| 18" | 450 | 265 | 640 | 585 | 20×30 | 14 | 30 | 25 | 8 |
| 20" | 500 | 265 | 715 | 650 | 20×33 | 14 | 30 | 25 | 8 |
| 24" | 600 | 265 | 840 | 770 | 20×36 | 14 | 30 | 25 | 8 |
NINGHAO Machinery presents the NBR NR EPDM VITON Flexible Rubber Piping Expansion Joint.
This joint meets strict performance standards.
It is built for piping systems.
It is available in many sizes.
Sizes range from 1 1/4 inch to 24 inches.
Each size has specific dimensions.
The table lists key measurements.
DN (Inch) and DN (mm) values are provided.
L (mm) and D (mm) show length and depth.
Ø (mm) indicates the overall diameter.
The joint has defined N-ØH values.
Values vary with size.
They include 4×18, 8×18, 8×22, 12×22, 12×26, 16×30, 20×30, 20×33, and 20×36.
Elongation ranges from 6 mm to 14 mm.
Compression ranges from 10 mm to 30 mm.
Transverse movement is between 10 mm and 25 mm.
Angular deflection is 25°, 15°, or 8°.
These angles vary with each size.
They meet standard design requirements.
The data defines safe and operating pressure limits at different temperatures. It helps users set correct conditions for media and equipment. Below is a list of key points:
Temperature and Pressure Axes
Temperature runs from -40°C to 120°C.
Pressure ranges from near 0 MPa to about 1.5–2.0 MPa.
Gray Area (Operating Range)
The gray area shows the allowed pressure for each temperature.
It marks the safe or stable operating zone.
Exceeding it may lead to unsafe conditions.
Phase Change and Limit Boundaries
The graph shows the phase change curve for fluids.
It sets the maximum pressure at given temperatures.
Pressures above this limit may cause failure.
Engineering Application and Safety
The data aids in choosing proper temperature and pressure.
It supports design, risk evaluation, and equipment selection.
Use it to set safe operating limits.
| MATERIAL SPECIFICATION | ||
| Part No. | Part | Standard Specification |
| 1 | Flange | Galvanized Carbon Steel |
| 2 | Reinforcing Ring | Carbon Steel |
| 3 | Rubber (lnner) | EPDM |
| 4 | Rubber (Outer) | EPDM |
| 5 | Reinforcing Fabric | Nylon Fabric |
NINGHAO Machinery presents the NBR NR EPDM VITON Flexible Rubber Piping Expansion Joint.
It serves piping systems.
The flange is made of galvanized carbon steel.
The reinforcing ring is carbon steel.
The inner rubber is EPDM.
The outer rubber is EPDM.
The reinforcing fabric is nylon.
This joint meets industry standards.
It works in many systems.
Note: For special material request other than standard specification, please indicate clearly on the inquiry or order list.
The NBR NR EPDM VITON Flexible Rubber Piping Expansion Joint by NINGHAO Machinery meets international standards. Its design supports various operating conditions. Below are its technical features:
Connection Ends
The joint uses flange drilling per BS EN 1092-2:1997.
This design aids in proper connection.
Working Pressure
The joint supports pressures of PN10 and PN16.
It operates within safe limits.
Temperature Range
The product works from 0°C to 80°C.
It suits many operational settings.
Vacuum Capacity
The joint handles a vacuum of 700 mmHg.
It maintains performance under vacuum conditions.
| DN (Inch) | DN (mm) | L (mm) | D (mm) | Ø (mm) | N-ØH | Elongation (mm) | Compression (mm) | Transverse Movement (mm) | Angular Deflection (°) |
|---|---|---|---|---|---|---|---|---|---|
| 1 1/4" | 32 | 95 | 140 | 100 | 4×18 | 6 | 10 | 10 | 25 |
| 1 1/2" | 40 | 95 | 150 | 110 | 4×18 | 6 | 10 | 10 | 25 |
| 2" | 50 | 105 | 165 | 125 | 4×18 | 6 | 10 | 10 | 25 |
| 2 1/2" | 65 | 115 | 185 | 145 | 8×18 | 8 | 15 | 12 | 25 |
| 3" | 80 | 135 | 200 | 160 | 8×18 | 8 | 15 | 12 | 25 |
| 4" | 100 | 150 | 220 | 180 | 8×18 | 12 | 20 | 16 | 15 |
| 5" | 125 | 165 | 250 | 210 | 8×18 | 12 | 20 | 16 | 15 |
| 6" | 150 | 180 | 285 | 240 | 8×22 | 12 | 20 | 16 | 15 |
| 8" | 200 | 210 | 340 | 295 | 12×22 | 12 | 20 | 16 | 15 |
| 10" | 250 | 230 | 405 | 355 | 12×26 | 14 | 30 | 25 | 8 |
| 12" | 300 | 230 | 460 | 410 | 12×26 | 14 | 30 | 25 | 8 |
| 14" | 350 | 265 | 520 | 470 | 12×26 | 14 | 30 | 25 | 8 |
| 16" | 400 | 265 | 580 | 525 | 16×30 | 14 | 30 | 25 | 8 |
| 18" | 450 | 265 | 640 | 585 | 20×30 | 14 | 30 | 25 | 8 |
| 20" | 500 | 265 | 715 | 650 | 20×33 | 14 | 30 | 25 | 8 |
| 24" | 600 | 265 | 840 | 770 | 20×36 | 14 | 30 | 25 | 8 |
NINGHAO Machinery presents the NBR NR EPDM VITON Flexible Rubber Piping Expansion Joint.
This joint meets strict performance standards.
It is built for piping systems.
It is available in many sizes.
Sizes range from 1 1/4 inch to 24 inches.
Each size has specific dimensions.
The table lists key measurements.
DN (Inch) and DN (mm) values are provided.
L (mm) and D (mm) show length and depth.
Ø (mm) indicates the overall diameter.
The joint has defined N-ØH values.
Values vary with size.
They include 4×18, 8×18, 8×22, 12×22, 12×26, 16×30, 20×30, 20×33, and 20×36.
Elongation ranges from 6 mm to 14 mm.
Compression ranges from 10 mm to 30 mm.
Transverse movement is between 10 mm and 25 mm.
Angular deflection is 25°, 15°, or 8°.
These angles vary with each size.
They meet standard design requirements.
The data defines safe and operating pressure limits at different temperatures. It helps users set correct conditions for media and equipment. Below is a list of key points:
Temperature and Pressure Axes
Temperature runs from -40°C to 120°C.
Pressure ranges from near 0 MPa to about 1.5–2.0 MPa.
Gray Area (Operating Range)
The gray area shows the allowed pressure for each temperature.
It marks the safe or stable operating zone.
Exceeding it may lead to unsafe conditions.
Phase Change and Limit Boundaries
The graph shows the phase change curve for fluids.
It sets the maximum pressure at given temperatures.
Pressures above this limit may cause failure.
Engineering Application and Safety
The data aids in choosing proper temperature and pressure.
It supports design, risk evaluation, and equipment selection.
Use it to set safe operating limits.
