KM115/116 Series

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High pressure poppet valve couplings

Tools Applications

Holmbury’s KM 115/116 Series high pressure poppet valve couplings are primarily used in bolt tensioners and other high pressure applications. The KM 116 can withstand a higher maximum working pressure than the KM 115.
High Pressure TechHigh Pressure
Carbon Steel Zinc Nickel Materials
Poppet / Ball Type CouplingsKM

Features

  • 1000 bar maximum working pressure (KM 115), 1500 bar maximum working pressure (KM 116)
  • Poppet valve design
  • Locking ball system allows quick connection
  • Bidirectional flow

Accessories

  • Dust caps and plugs are available for the KM Series

Construction

  • KM 115- Carbon steel with zinc nickel plating (1200 hours with no red rust in salt spray tests)
  • KM 116- Carbon steel with black zinc nickel plating (1200 hours with no red rust in salt spray tests)
  • Available in size 02 body with 1/4” NPT or BSP threads
  • Fitted with Nitrile seals

Applications

  • Bolt tensioners
  • Hydraulic jacks
  • Other high pressure applications

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.

0°

106°C 223°F

Nitrile

120°C 248°F

EPDM

200°C 392°F

Viton®

300°C 572°F

Kalrez®

0°

-20°C -4°F

Viton®

-25°C -13°F

Kalrez®

-40°C -40°F

Nitrile

-50°C -58°F

EPDM

Abbreviation Trade Name Chemical 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)