PSQ

PSQ

PSQ

Product catalog summary
Overview of PSQ Seal:
The PSQ seal features a double point profile in the dynamic section and a flat surface with two small steps in the static section where the Q-ring is housed. The Q-ring energizes the seal, ensuring effective sealing at both low and high pressures. The central double point profile design prevents hydrodynamic pressures and the blow-out effect.
Specifications:
  • Pressure: Up to 250 Bar with C0-type material (93 Shore A) at 60°C; up to 400 Bar with D0-type material (98 Shore A) at 60°C.
  • Speed: Maximum of 0.8 m/s.
  • Temperature Range: From -35°C to +100°C, with peaks up to 110°C.
  • Fluids: Compatible with mineral oils (refer to table 1 on page 12).
Materials:
The seals are made from polyurethanes with varying hardness levels depending on the operating pressures. Material codes include CN (93 Shore A with Q-ring) and DN (98 Shore A with Q-ring).
Installation Recommendations:
  • Remove any sharp edges or flash in the seal housing.
  • Ensure a lead-in chamfer in the bore to facilitate piston installation.
  • Refer to assembly instructions on page 26 for detailed guidance.
Product Range:
A list of available PSQ seal dimensions is provided, with additional sizes available upon request by contacting the technical department.
Standards:
Complies with ISO 7425.
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Catalog excerpts

PSQ-1

PSQ TENUTA PISTONE TIPO PSQ Descrizione La guarnizione PSQ ha un profilo con doppie punte al centro nella parte dinamica ed un piano con due piccoli gradini nella parte statica dove alloggia il Q-ring. La presenza del Q-ring energizza la guarnizione e garantisce la perfetta tenuta sia a bassa che ad alta pressione. La geometria del profilo a doppie punte centrali evita pressioni idrodinamiche sulla tenuta e di conseguenza l'effetto blow-by. Dati tecnici Pressione: < 250 Bar con materiale tipo C0 a 93 Shore A a temperatura di 60° C. < 400 Bar con materiale tipo D0 a 98 Shore A a temperatura di 60° C. Velocita: < 0,8 m/s Temperatura: da - 35° C a + 100 ° C con punte fino a 110° C. Fluidi: oli a base minerale (vedi tabella 1 a pagina 12) Materiale I materiali della tenuta sono poliuretani di diverse durezze a seconda delle pressioni di esercizio. Codice materiale: CN (93 Shore A con Q-ring ) o, in alternativa, DN (98 Shore A con Q-ring) Montaggio E' necessario eliminare gli spigoli taglienti e le bave nella sede dove alloggia la guarnizione. Eseguire smusso d'invito sulla camicia per facilitare il montaggio del pistone. Per ulteriori informazioni leggere le istruzioni di montaggio a pag 26. PSQ TYPE PISTON SEAL Description The PSQ seal has a double point profile in the in the dynamic part, and two small steps in the static part where the Q-ring is housed. The Q-ring energizes the seal and provides a perfect sealing performance at low and high pressure. The shape of the central double profile prevents hydrodynamic pressures on the seal and the resulting blow-out effect. Technical data Pressure: < 250 Bar with a C0-type material at 93 Shore A, at a temperature of 60° C. < 400 Bar a D0-type material, at 98 Shore A, at a temperature of 60° C. Speed: < 0.8 m/s Temperature: from - 35° C to + 100 ° C with peaks up to 110° C. Fluids: mineral oils (see table 1, page 12) Material The sealing parts are in polyurethanes with different hardness, according to the specific operating pressures. Compound reference: CN (93 Shore A with Q-ring) or, alternatively, DN (98 Shore A with Q-ring) Assembling Cutting edges or flash must be removed in the housing of the seal. Ensure a lead-in chamfer in the bore to facilitate the piston installation. For further information please refer to the assembly instructions on page 26. Sistemi di tenuta per oteodinamica Hydraulic sealing systems

 Open the catalog to page 1
PSQ-2

PSQ PSA PAE PSH RR PSO PSQ TPD KDSA KDSB KDSP KDAE Nota: altre dimensioni non a catalogo a richiesta. Consultare il nostro ufficio tecnico. Remark: please contact our technical dept. for further dimensions not included in the catalogue. Profili - Montaggio - Guarnizioni stelo - Guarnizioni pistone - Anelli guida - Raschiatori Profiles - Assembling - Rod seals - Piston seals - Wear ring - Wipers

 Open the catalog to page 2

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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