Spring Energized Seals Enerseal®, custom and standard dimensions available. Jacket in PTFE compound, PEEK, UHMW-PE, PU 54Sh.D. Jackets and electro-welded springs are designed and realized within the company, so that HD has the complete control of the production process. Spring are available in Aisi302, Elgiloy, Hastelloy and NACE approved Inconel X750.
For the "V" shaped cross sections up a max. D diameter of 250, an optional EU-FDA approved silicone filling is available.
Enerseal® Spring Energized Seals
Face seals Enerseal® internal pressure
OVERVIEW
023
035
064
| housing class | D dimensional range |
I inner diameter |
H groove depth |
L standard |
L* reinforced heel |
R max. |
| internal pressure | H8 | H8 | H12 | |||
| GI | 20 - 50 | D - 2L | 1,45 | 2,4 | 3,8 | 0,4 |
| LI | 20 - 240 | 2,25 | 3,6 | 4,65 | 0,4 | |
| HI | 25 - 400 | 3,1 | 4,8 | 5,7 | 0,6 | |
| NI | 45 - 650 | 4,7 | 7,1 | 8,5 | 0,8 | |
| MI | 80 - 1200 | 6,1 | 9,5 | 11,2 | 0,8 | |
| RI | 150 - 1200 | 9,5 | 13,4 | 15,8 | 0,8 | |
| *Always choose reinforced heel when pressure exceeds 200 bar | ||||||
| Coding example | |
| housing class NI profile code 064 diameter D= 80 materials: jacket Neuflon 020 spring Aisi 314 |
Enerseal NI - 064 - 80 - N-020 - 314 |
finishes
| SURFACE FINISH ACCORDING WITH FLUID | ||
| application | max Ra µm dynamic surface |
max Ra µm static surface |
| CRYOGENICS | 0,1 | 0,2 |
| FREON HELIUM HYDROGEN |
0,2 | 0,3 |
| AIR NITROGEN ARGON METHANE FUELS |
0.2 | 0.4 |
| WATER OIL |
0.3 - 04 | 0.6 |
| ROTARY SEALS | ||
| Shaft surface Ra 0.2 - 0.3 micron max. Rz 1.0 - 2.5 micron max. R max. < 4 micron |
Shaft hardness 55 HRC min. for pressure up to 5 bar 60 HRC min. for pressure > di 5 bar 60 HRC for speed > 4m/sec |
Surface treating deep 0.3 mm min. |
materials
Click compound's code to download the .PDF data sheet (login requested)
| HD Slippers code |
Composition | Color | Approvals | ΔT °C | Description |
| N-009 | Ptfe-oxides | blue | -268 +260 | All pourpose on soft surfaces | |
| N-095 | Tfm | white | FDA | -268 +260 | Low creep, better strength. |
| N-031 | Ptfe-bronze | green-blue | -268 +260 | High wear resistance, hidraulic seals | |
| N-032 | Ptfe-carbon | black | -268 +260 | High wear resistance, pneumatic and hydraulic seals | |
| N-197 | Ptfe-carbographite | black | NORSOK | -268 +260 | High wear resistance, hydraulic and pneumatic seals |
| N-043 | Ptfe-graphite | black | FDA | -268 +260 | High wear resistance, low friction coefficient. |
| N-060 | Ptfe-glass fibre | blue | FDA | -268 +260 | All pourpose on hard surfaces |
| N-067 | Ptfe-glass fibre | white | FDA NORSOK |
-268 +260 | High wear and creep resistance |
| N-033 | Ptfe-glass fibre MoS2 | gray | FDA | -268 +260 | Fit for hard surfaces |
| N-103 | Ptfe-Carbon fibre | black | -268 +260 | Fit for hard surfaces | |
| N-102 | Ptfe-Liquid crystal polymer | beige | FDA - EU |
-268 +260 | Food & Pharma, fit for soft surfaces |
| N-088 | Ptfe-polyimide | yellow |
-268 +260 |
Fit for soft surfaces | |
| N-074 | PEHMW | white | FDA | -140 +80 | High wear and extrusion resistance |
| N-155 | PVDF | white | FDA | -30 +140 | High modulus |
| P95-A252 | Polyurethane | blue | FDA | -50 +105 | Extrusion and wear withstanding, low friction coefficient |
| P95-VI251 | Polyurethane | violet | FDA | -30 +115 | CIP (clean in place) fluids compatible |
| P95-R198 | Polyurethane | red | -30 +125 | Extrusion and wear withstanding, low friction coefficient, high temperatures | |
| P95-AR255 | Polyurethane | orange | -30 +135 | Extrusion and wear withstanding, low friction coefficient, higher temperatures | |
| P95-G253 | Polyurethane MoS | gray | -30 +105 | Extrusion and wear withstanding, lower friction coefficient |
| CHOOSING Neuflon-ptfe compound ACCORDING WITH FLUID AND SURFACE | |||||
| SURFACES | |||||
| Steel HEC>=30-45 Temp. Mart. Inox Steel Cast Iron HRB<=200 Steel HRC>=45 Cast Iron HRB>200 |
Galvanic or chemical surfacing HV>=700 Chromium Bronze |
Bronze Brass |
Treated Aluminium | Aust. Inox Steel Glass |
|
| FLUIDS | NEUFLON-ptfe compounds (standard in bold) | ||||
| Hydraulic oil Transmission oil Fire resistant syntetic hydraulic oil |
N-031 N-032 N-060 P95-A112 |
N-031 N-032 N-060 P95-A112 |
N-009 N-043 N-032 P95-A112 |
N-032 N-074 P95-A112 | N-009 N-032 N-074 P95-A112 |
| Water and oil/water emulsions | N-032 N-060 N-074 |
N-032 N-060 N-074 |
N-009 N-043 N-074 |
N-032 N-074 |
N-009 N-032 N-074 |
| Drugs and food | N-074 N-102 N-043 N-060 N-095 P95-B113 |
N-009 N-074 P95-B113 |
N-102 N-009 P95-B113 |
N-009 N-074 P95-B113 |
N-009 N-074 P95-B113 |
| Air | N-032 N-031 N-043 N-074 P95-A112 |
N-032 N-043 P95-A112 |
N-032 N-009 N-043 N-074 P95-A112 |
N-032 N-074 P95-A112 |
N-032 N-009 N-043 N-074 P95-A112 |
| Steam | N-032 N-043 |
N-032 | N-009 N-032 N-043 |
N-032 N-009 N-043 |
|
| Acids and Bases | N-032 N-074 |
N-032 N-043 N-074 |
N-009 N-032 N-043 N-074 |
||
availability
- To check the availability:
-choose profile and compound from the drop-down menu
-input the desired housing class
-input the desired diameter - Once obtained the availability, a request for quotation can be sent.