Wipers

Wiper NRW

NRW rod wiper heavy series
The particular profile and the choice of materials make an extremely reliable component for completely preventing the penetration of solid and liquid contaminative elements in the mechanical organs.

OVERVIEW
CHARACTERISTICS
Complement to the rod seal
Closed groove
Low friction
Protected wiper lip
High temperature resistance.
APPLICATIONS
Hydraulics and pneumatics
Linear movements
linear speed up to 5 m/sec
T da -60 a + 250°C.
Protection of the cylinder rods in industrial equipments
Wiper NRW - NRW icon
NRW
Wiper NRW image
Class D
Rod Diameter
E
Groove
I
max
L
Groove width
R
max
S
min
In closed groove
from mm
  suggested
f7
possible
f7
H9 H12 H12      
W1 19 - 39,9 15 -70 D + 7,6 D + 1,5 4,2 0,3 1,4 30
W2 40 - 69,9 30 - 140 D + 8,8 D + 1,5 6,3 0,3 2,6 40
W3 70 - 139,9 50 - 400 D + 12,2 D + 1,5 8,1 0,4 3 50
W4 140 - 399,9 100 - 500 D + 16 D +2,0 9,5 0,5 7 70
W5 400 - 649,9 250 - 650 D + 24 D + 2,5 14,0 0,6 10 140
W6 650 - 1200  500 - 1200 D + 27,3 D + 2,5 16 ,0 0,8 17 500

 

Coding Example

profile code: NRW
stelo 50
housing class W2
materials: Neuflon-031 O-Ring NBR

Wiper NRW 050 W2 N-031 NBR
materials

Click compound's code to download the .PDF data sheet. Registration required.

HD Slippers
code
Composition Approvals ΔT °C Description
N-020 Virgin PTFE FDA
NORSOK
-268 +260 All pourpose, low friction coefficient, extrusion withstanding.
N-009 Ptfe-oxides FDA -268 +260 All pourpose on soft surfaces
N-031 Ptfe-bronze   -268 +260 High wear resistance, hidraulic seals
N-032 Ptfe-carbon   -268 +260 High wear resistance, pneumatic and hydraulic seals
N-059 Ptfe-carbographite   -268 +260 High wear resistance, hydraulic and pneumatic seals, hard surfaces
N-197 Ptfe-carbographite NORSOK -268 +260 High wear resistance, hydraulic and pneumatic seals
N-043 Ptfe-graphite FDA -268 +260 High wear resistance, low friction coefficient.
N-103 Ptfe-carbon fibre FDA -268 +260 High wear resistance, low friction coefficient, hard surfaces.
N-077 Ptfe-glass fibre-MoS2   -268 +260 Of general use, in lubricated applications, rotary seals
N-060 Ptfe-glass fibre FDA -268 +260 All pourpose on hard surfaces
N-067 Ptfe-glass fibre FDA
NORSOK
-268 +260 High wear and creep resistance
N-102 Ptfe-Liquid crystal polymer FDA - EU
-268 +260 Food & Pharma, fit for soft surfaces
N-088 Ptfe-poliimmide   -268 +260 High wear resistance. Soft surfaces
N-074 PEHMW FDA -140 +80 High wear and extrusion resistance
P95-A112 Polyurethane     -30 +105 Extrusion withstanding, low friction coefficient

P95-G114

Polyurethane FDA -30 +105 Extrusion withstanding, lower friction coefficient

 

 

 

ELASTOMER ACCORDING WITH FLUID

FLUID ELASTOMER
HYDRAULIC OIL - TRANSMISSION OIL NBR
FIRE RESISTANT SYNTETIC HYDRAULIC OIL EPDM
WATER AND WATER/OIL EMULSIONS NBR
FOOD AND DRUG MVQ
AIR NBR
STEAM EPDM - FFKM
ACIDS AND BASES FKM - FFKM
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.

Availability