HSS Series

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Stainless steel flat face couplings made to the ISO 16028 Standard dimensions

Industrial Applications

Holmbury’s HSS Series stainless steel flat face couplings incorporate all the benefits of the carbon steel HQ Series couplings, whilst being perfectly suited for corrosive fluids and environments.
Min Spill TechMin Spill
Stainless Steel Materials ISO 16028 Flat Faced Couplings ISO Standard
Flat Face CouplingsHSS

Features

  • Safety locking sleeve fitted as standard to prevent accidental disconnection
  • Flat faces are easily wiped clean
  • Allows for minimal inclusion of air and contaminants during connection
  • Flat face design prevents fluid loss during disconnection
  • Bidirectional flow

Accessories

  • Dust Caps are available for the HSS Series

Construction

  • AISI 316 stainless steel
  • Fitted with Viton seals (Other seals available on request)
  • Also available in carbon steel (See HQ Series)

Applications

  • Corrosive fluids and environments
  • Marine
  • Oil and gas
  • Chemical
  • Pharmaceutical
  • Offshore

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)