Piston seals single acting

Single acting piston seals

The choice of piston seal is decided by the way in which the cylinder operates. For a cylinder which is exclusively single-acting, capable of sealing dynamic pressure from one side (unidirectional), it is always best to choose the type of seal designed to provide optimum sealing qualities for single-acting functions.

Single-acting pistons only contain pressure on one side of the piston. The seal is required to retain pressure from that direction, which then moves the piston along the cylinder.

The best sealing capacity of a double-acting cylinder, capable of sealing dynamic pressure from both sides (bidirectional), is achieved by choosing a double-acting seal.

A piston design where two single-acting seals on the piston for a double-acting cylinder are used can easily give rise to a breakdown. The reason is that a very high pressure can be trapped between the seals.

Piston seals, both single and double-acting, can be designed for and used with integrated or separate back-up rings and guide rings.


Pneumatic piston seal type C

Pneumatic piston seal type C

Piston seals C cover single acting seal NBR:  C series pneumatic piston seals, also called cover seals, are made of NBR 90 Shore A and are suitable for pneumatic cylinder's pistons. Its profile, hence the name C, do not guarantees a completely automatic sealing as shown in operating conditions: pressure 40 bar, 0,25 m/s speed temperatu..

Pneumatic piston seal type GDE

Pneumatic piston seal type GDE

Piston seals GDE u seal single acting seal NBR. Piston seals GDE is specially formulated to give optimum properties, particularly wear, elasticity, flexibility and outstanding compression resistance. Features •  Ultra long life •  Ultra low friction •  Water resistant •  Wide temperature capability   table { border-..

Pneumatic piston seal type GDEM

Pneumatic piston seal type GDEM

Piston seals GDEM u seal single acting seal NBR. The piston seals GDEM u seal are single acting seal from NBR. Piston seals GDE is specially formulated to give optimum properties, particularly wear, elasticity, flexibility and outstanding compression resistance. Features Ultra long life Ultra low friction Water resistant Wide tem..

Pneumatic piston seal type GU

Pneumatic piston seal type GU

Piston seals type "GU: - U seal single acting seal NBR. GU type piston seal is suitable for pneumatic pistons and is oil resistant up to 110 C.   table { border-collapse: collapse; width: 100%;}th, td { padding: 8px; text-align: left; border-bottom: 1px solid #ddd;}tr:hover{background-color:rgb(230, 247, 255)}table.sortable th:..

Pneumatic piston seal type GUM

Pneumatic piston seal type GUM

Piston seals type "GUM: - U seal single acting seal NBR. GUM type piston seal is suitable for pneumatic pistons and is oil resistant up to 110 C. Description Dimensions(mm) Material GUM 258 D.025x008x6   025,00 - 008,00 - 006,00 Nbr GUM 2510 D.025x010x10   025,00 - 010,00 - 010,00 Nbr ..

Pneumatic piston seal type NAP 210

Pneumatic piston seal type NAP 210

Piston seals NAP 210 is a single acting seal from oil resistant rubber NBR. Piston seals  NAP 210 is specially formulated to give optimum properties, particularly wear, elasticity, flexibility and outstanding compression resistance.   Features •  Ultra long life •  Ultra low friction •  Water resistant   •  Wide temperature cap..

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