DINB, DNBZ (US)

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Ball seal couplings made to the ISO 5675 Standard

Industrial ApplicationsAgricultural Applications

Holmbury’s DINB Series ball valve couplings are intended for applications where compatibility with existing equipment is essential. For new applications Holmbury recommends poppet valve couplings as a more durable option.

Carbon Steel Trivalent MaterialsCarbon Steel Zinc Nickel Materials ISO 5675 DIN V/B Couplings ISO Standard

Features

  • Locking ball system allows quick connection
  • Bidirectional flow

Accessories

  • Dust caps, plugs and seal kits are available for the DINB/DNBZ Series

Construction

  • Carbon steel with trivalent plating, also available in zinc nickel 
  • Fitted with Nitrile seals
  • Also available in poppet valve design (See DINV Series)

Applications

  • Agricultural
  • Mobile
  • Construction
  • General hydraulics

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.

106°C 223°F

Nitrile

120°C 248°F

EPDM

200°C 392°F

Viton®

300°C 572°F

Kalrez®

-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)