Parbak ring

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Tenuta pistone PIdraulica. Parbaks are contoured on one face to minimize distortion of the O-ring when under pressure, yet the orientation of the contoured face is immaterial to the proper function of the part because it is fl exible. Parbaks are quick and easy to assemble, minimizing assembly costs, and they cannot fall out of the O-ring groove. Parbaks are hard rubber back-up rings that are used to increase the pressure rating of a seal design.

The use of loose fitting parts makes for cost reduction in the machining of unit components. Backup O-rings ensure that the primary O- ring continues to provide the proper seal between opposing parts even under pressure.

When first installe O-rings are specked to fit perfectly, but when continually exposed to pressure and high temperatures, they lose material, weaken, and extrude beyond the groove in which they rest. They are open or closed shapes for snap assembly made of a broad range of compounds which are highly resistant to thermal or mechanical stress. Technical Data 1G. Back-up Ring Types for External Sealing (Piston) 1F.

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Jetzt bequem online bestellen! Folge Deiner Leidenschaft bei eBay! It is not a sealing ring in itself. The primary reason for the use of a back-up ring is to reduce the clearance gap on the low pressure side of an O- ring or similar type of seal.

Verzolla ha in pronta consegna un’ampia gamma di ANELLI PARBAK SERIE PBK 8. In this regar they are much easier to install than PTFE back-up brings, and do not contain a scarf cut edge that may damage an O-ring seal. Parbak rubber back-up brings can be stretched during installation and return to their original dimensions.

Complete call-out consists of the digitthe dash number for the size wanted and the rubber material. O- Ring sono anelli di tenuta a sezione circolare, principalmente utilizzati per assicurare. Esistono casi in cui non è conveniente o non è possibile realizzare sedi con finiture e giochi sufficientemente ridotti. Anelli antiestrusione Parbak.

Installation of backup ring and o- ring on to full open suction valve seat. Gli anelli antiestrusione della serie BK sono facilmente installabili in sedi chiuse. Both are interlinke thus ensuring the best possible combination of the calculated O- ring size and material choice.

Parker Hannifin O- Ring Diision Europe. The guide also lists dimensional information for Parbak back-up rings. O- ring drive belts and their application will be found in O- Ring Applications, Section III.

What is an O- Ring Seal? The seal assembly consists of an elastomer O- ring and a gland. An O- ring seal is used to prevent the loss of a fluid or gas.

Una valida alternativa agli O- Ring in FFKM (perfluoroelastomero). Rivestimento in FEP oppure in PFA O- Ring in MVQ (silicone) oppure in FPM (gomma fluorurata). Versione con O- Ring cavo per ridurre la spinta di serraggio.

Female glands can sometimes be a bit of a challenge for O- ring installations, but keep these tips in mind and you should have success.