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PTC SERIES

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High pressure heavy duty screw connect couplings

The PTC Series screw connect couplings are specifically engineered for heavy-duty applications that demand high performance under extremely high pressures and intense pressure pulse conditions.

  • Screw connect design eliminates brinelling
  • Can be connected with up to 50 bar (735 psi) residual pressure in the hydraulic circuit
  • Bidirectional flow
  • Carbon steel with trivalent plating
  • Fitted with Nitrile seals
  • Also available in AISI 316 stainless steel (See PTS Series)

Dust caps, plugs and seal kits are available for the PTC Series

  • Hydraulic jacks
  • Hydraulic hammers
  • Construction plant
  • Mobile equipment 
  • Demolition
  • Agricultural industries

High pressure heavy duty screw connect couplings

Holmbury’s PTC Series screw connect couplings are designed for heavy duty applications involving very high pressures and severe pressure pulse conditions.
 

FEATURES

  • Screw connect design eliminates brinelling
  • Can be connected with up to 50 bar (735 psi) residual pressure in the hydraulic circuit
  • Bidirectional flow
 

CONSTRUCTION

  • Carbon steel with trivalent plating
  • Fitted with Nitrile seals
  • Also available in AISI 316 stainless steel (See PTS Series)

ACCESSORIES

• Dust caps, plugs and seal kits are available for the PTC Series

APPLICATIONS

  • Hydraulic jacks
  • Hydraulic hammers
  • Construction plant
  • Mobile equipment 
  • Demolition
  • Agricultural industries

AVAILABLE SEALS AND TEMPERATURE RANGE

All carbon steel products have Nitrile Butadiene Rubber seals fitted as standard. All stainless steel products have Fluoro-elastomer Rubber (Viton®) seals fitted as standard. Special seal materials available on request.

00
00

1060
2230F

NITRILE
VITON®

-200C
-40F

1200C
2480F

EPDM
KALREZ®

-250C
-130F
2000C
3920F
VITON®
NITRILE
-400C
-400F

3000C
5720F

KALREZ®
EPDM
-500C
-580F
ABBREVIATIONTRADE NAMECHEMICAL NAME MIN TEMP. MAX TEMP.
NBR XNBR Chemigum®, Hycar8, Breon®, Butakon®, Butacril®, Buna-N®, Perbunan®, Paracril®, Krynac®, Europrene-N®, Nipol® Nitrile Butadiene Rubber Carboxylated Nitrile Rubber -40°C (-40°F) 106°C (223°F)
FKM (FPM) Dai-el®, Fluorel®, Tecnoflon®, Viton® Fluoro-elastomer Rubber -20°C (-4°F) 200°C (392°F)
EPR EPDM Buna-AP®, Dufral®, Epsyn®, Nordel®, Epcar8, Keltan®, Royalene®, Polysar-EPDM® Ethylene Propylene Copolymer Ethylene Propylene Terpolymer-50°C (-58°F)120°C (248°F)
FVMQ Silastic 1S®, FSE®Fluorosilicone Rubber -65°C (-85°F)170°C (338°F)
FFKM Perlast®, Kalrez®, Chemraz®, Kaflon® Perfluoroelastomer -25°C (-13°F)300°C (572°F)
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