MANOY® Shaft Seal

Type 231

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MANOY® Shaft Seal

Type 233

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MANOY® Shaft Seal

Type 236

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MANOY® Shaft Seal

Type 238

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TECHNICAL DATAS

outer sealing outer sealing inner sealing inner sealing
Motion Motion Motion Motion
partially linear, rotary, partially static rotary, partially static, partially linear rotary, partially static, partially linear rotary, partially static, partially linear
Direction of pressure Direction of pressure Direction of pressure Direction of pressure
unidirectional unidirectional, bidirectional unidirectional unidirectional, bidirectional
Operating pressure (MPa) Operating pressure (MPa) Operating pressure (MPa) Operating pressure (MPa)
15 15 15 15
Rotary speed (m/s) Rotary speed (m/s) Rotary speed (m/s) Rotary speed (m/s)
3 3 3 3
Diameter range (mm) Diameter range (mm) Diameter range (mm) Diameter range (mm)
8 to 2000 8 to 2000 6 to 2000 6 to 2000
Housing Housing Housing Housing
non-split
(from 14 mm Ø)
non-split
(from 14 mm Ø)
non-split
(from 25 mm Ø)
non-split
(from 25 mm Ø)
Type 231 outer sealing
Motion partially linear, rotary, partially static
Direction of pressure unidirectional
Operating pressure (MPa) 15
Rotary speed (m/s) 3
Diameter range (mm) 8 to 2000
Housing non-split
(from 14 mm Ø)
Type 233 outer sealing
Motion rotary, partially static, partially linear
Direction of pressure unidirectional, bidirectional
Operating pressure (MPa) 15
Rotary speed (m/s) 3
Diameter range (mm) 8 to 2000
Housing non-split
(from 14 mm Ø)
Type 236 inner sealing
Motion rotary, partially static, partially linear
Direction of pressure unidirectional
Operating pressure (MPa) 15
Rotary speed (m/s) 3
Diameter range (mm) 6 to 2000
Housing non-split
(from 25 mm Ø)
Type 238 inner sealing
Motion rotary, partially static, partially linear
Direction of pressure unidirectional, bidirectional
Operating pressure (MPa) 15
Rotary speed (m/s) 3
Diameter range (mm) 6 to 2000
Housing non-split
(from 25 mm Ø)

APPLICATIONS

  • Rota­ry uni­ons 
  • Rota­ry actua­tors 
  • Rota­ry cylin­ders

CHARACTERISTICS

  • Sys­tem pres­su­re activa­ted seal ener­gi­za­ti­on
  • Very long seal life due to high abra­si­on resis­tan­ce 
  • For use at low to medi­um pres­su­re at low speed 
  • Does not stick to the mating sur­face after pro­lon­ged shut­down 
  • Avail­ab­le for any dia­me­ter bet­ween 6 mm and 1,000 mm

TEMPERATURE RANGE

From ‑40 to +200 °C

but depen­dent on the mate­ri­al of the sealing lip and the O‑ring of the secon­da­ry seal in each case.
Ice crys­tal for­ma­ti­on must be avoi­ded.

MATERIALS

IDG sealing ring mate­ri­al

  • 36B
  • 40A

O‑ring elas­to­mer

  • EPDM13
  • FKM13

Mate­ri­al descrip­ti­on and other mate­ri­als for wider app­li­ca­ti­ons FIND OUT MORE >

Hygie­nic Design

Design of the housing in the form of a groo­ve should be avoi­ded if pos­si­ble. If this is not fea­si­ble, good housing and seal cleana­bi­li­ty must be gua­ran­te­ed.

The hygie­nic design requi­re­ments can be met by having a par­ti­cu­lar­ly lar­ge groo­ve base radi­us and a split housing.

For WIP/WOP clea­ning it is important to be able to remo­ve and replace the seal wit­hout dama­ging it.

Given a sui­ta­ble machi­ne design, clea­ning in place is also pos­si­ble.