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D-RING 42X52X5 (DIN11851 DN40) WHITE FDA & 1935/2004 PTFE
Family: D-RING
Dimensions : 42.00 x 52.00 x 5.00
Material: PTFE
Color:
WHITE
Part number: DR0400PT1121F
Weight : 7.4000 gr.
Customs tariff code: 39269097
Country of origin: IT
Approvals:
HOMOL-3-A
HOMOL-1935/2004
HOMOL-FDA
HOMOL-USP
D-RING 42X52X5 (DIN11851 DN40) FPM80 (Viton®) FDA NEGRO
Family: D-RING
Dimensions : 42.00 x 52.00 x 5.00
Material: FPM
Color:
BLACK
Part number: DR0400OZ833466
Weight : 6.0000 gr.
Customs tariff code: 39269097
Country of origin: CN
Approvals:
HOMOL-3-A
HOMOL-1935/2004
HOMOL-FDA
HOMOL-USP
D-RING 42X52X5 (DIN11851 DN40) VMQ80 FDA TRANSLUCIDA
Family: D-RING
Dimensions : 42.00 x 52.00 x 5.00
Material: VMQ
Color:
TRANSLUCENT
Part number: DR0400JA8334144
Weight : 4.0000 gr.
Customs tariff code: 39269097
Country of origin: CN
Approvals:
HOMOL-3-A
HOMOL-1935/2004
HOMOL-FDA
HOMOL-USP
D-RING 54X64X5 (DIN11851 DN50) BLACK FDA PEROXYDE EPDM70
Family: D-RING
Dimensions : 54.00 x 64.00 x 5.00
Material: EPDM
Color:
BLACK
Part number: DR0500LP7334137
Weight : 4.9500 gr.
Customs tariff code: 40169300
Country of origin: CN
D-RING 54X64X5 (DIN11851 DN50) WHITE FDA & 1935/2004 PTFE
Family: D-RING
Dimensions : 54.00 x 64.00 x 5.00
Material: PTFE
Color:
WHITE
Part number: DR0500PT1121F
Weight : 9.4000 gr.
Customs tariff code: 39269097
Country of origin: IT
Approvals:
HOMOL-3-A
HOMOL-1935/2004
HOMOL-FDA
HOMOL-USP
D-RING 54X64X5 (DIN11851 DN50) FPM80 (Viton®) FDA NEGRO
Family: D-RING
Dimensions : 54.00 x 64.00 x 5.00
Material: FPM
Color:
BLACK
Part number: DR0500OZ833466
Weight : 8.4000 gr.
Customs tariff code: 39269097
Country of origin: CN
Approvals:
HOMOL-3-A
HOMOL-1935/2004
HOMOL-FDA
HOMOL-USP
D-RING 63X73,50X5,50 (DIN11851 DN63) BLACK FDA PEROXYDE EPDM70
Family: D-RING
Dimensions : 63.00 x 73.50 x 5.50
Material: EPDM
Color:
BLACK
Part number: DR0630LP7334137
Weight : 6.0000 gr.
Customs tariff code: 40169300
Country of origin: CN
D-RING 71X81X5 (DIN11851 DN65) WHITE FDA &1935/2004 PTFE
Family: D-RING
Dimensions : 71.00 x 81.00 x 5.00
Material: PTFE
Color:
WHITE
Part number: DR0650PT1121F
Weight : 11.5000 gr.
Customs tariff code: 39269097
Country of origin: IT
Approvals:
HOMOL-3-A
HOMOL-1935/2004
HOMOL-FDA
HOMOL-USP
D-RING 71X81X5 (DIN11851 DN65) FPM80 (Viton®) FDA NEGRO
Family: D-RING
Dimensions : 71.00 x 81.00 x 5.00
Material: FPM
Color:
BLACK
Part number: DR0650OZ833466
Weight : 10.7000 gr.
Customs tariff code: 39269097
Country of origin: CN
Approvals:
HOMOL-3-A
HOMOL-1935/2004
HOMOL-FDA
HOMOL-USP
D-RING 71X81X5 (DIN11851 DN65) BLACK FDA PEROXYDE EPDM70
Family: D-RING
Dimensions : 71.00 x 81.00 x 5.00
Material: EPDM
Color:
BLACK
Part number: DR0650LP7334137
Weight : 6.0000 gr.
Customs tariff code: 40169300
Country of origin: CN
D-RING 85X95X5 (DIN11851 DN80) WHITE FDA & 1935/2004 PTFE
Family: D-RING
Dimensions : 85.00 x 95.00 x 5.00
Material: PTFE
Color:
WHITE
Part number: DR0800PT1121F
Weight : 13.8000 gr.
Customs tariff code: 39269097
Country of origin: IT
Approvals:
HOMOL-3-A
HOMOL-1935/2004
HOMOL-FDA
HOMOL-USP
D-RING 85X95X5 (DIN11851 DN80) FPM80 (Viton®) FDA NEGRO
Family: D-RING
Dimensions : 85.00 x 95.00 x 5.00
Material: FPM
Color:
BLACK
Part number: DR0800OZ833466
Weight : 12.0000 gr.
Customs tariff code: 39269097
Country of origin: CN
Approvals:
HOMOL-3-A
HOMOL-1935/2004
HOMOL-FDA
HOMOL-USP
QUICK LINKS
D-Ring seals, designed to put an end to "spiral failure" in rotary applications
D-Rings are rings in the shape of a “D” that offer an alternative sealing solution to O-rings for use in rotary applications. They provide the same sealing properties as O-rings and can, in addition, be used in applications that experience high and low pressures, operating in a wide range of temperatures.
The strength of a seal in rotary applications may be a determining factor when choosing the most suitable seal. In this type of situation, O-Rings can suffer from a tendency to be extruded, which can cause leaks and, in some cases, lead to the failure of the seal. If you wish to avoid this specific risk, a D-Ring is the perfect choice.
D-ring seals can be easily fitted to standard housings. The flat geometry of the base of the “D”-shaped ring avoids the “seal twisting” or rolling, eliminating the possibility of a spiral failure that frequently would otherwise commonly occur when O-rings are used in rotary applications.
In low-pressure applications, the combination of a material with a low modulus and a reduced cross-section helps to reduce friction. In high-pressure applications, in contrast, the friction can be reduced by selecting a higher modulus material with a reduced coefficient of friction.
D-Rings can be manufactured in accordance with DIN11851 and are available in a range of materials (NBR, FPM, EPDM Peroxide and VMQ). Since they are aseptic seals or hygienic seals, they are designed for sensitive industries, such as the pharmaceutical or food industries, where hygiene is a crucial factor.
D-Ring Seals, advantages
These are some of the most significant advantages of D-Ring seals:
- They provide greater resistance to stress and wear.
- They withstand compression.
- They have a longer operating life, which reduces costs.
- They are easy to install. Furthermore, due to the ‘D’ shape, being higher at the end, the probability of the seal being damaged during installation in a critical area is lower.
- The design of the D-ring prevents the seal from being extruded from its housing.
D-Ring Seals, DIN11851
DN | D1 | D2 | H |
10 | 12 | 20 | 4,5 |
15 | 18 | 26 | 4,5 |
20 | 23 | 33 | 4,5 |
25 | 30 | 40 | 5 |
32 | 36 | 46 | 5 |
40 | 42 | 52 | 5 |
50 | 54 | 64 | 5 |
65 | 71 | 81 | 5 |
80 | 85 | 95 | 5 |
100 | 104 | 114 | 6 |
125 | 130 | 142 | 7 |
150 | 155 | 167 | 7 |