They are available in the following versions:

• Adjustable snap coupling
  (GR Type)
• Adjustable bolt coupling
  (GRB & GRM Type)
• Non adjustable snap coupling (GF & GTL Type)
• Two bolt coupling
  (GB & GBF Type)
• Four bolt coupling (GB / 4B Type)
• Wedge coupling
  (GTL – K, GH & GRK Type)

Sizes: from DN 25 (1″) to DN 200 (8″).
All couplings can be galvanized on request.