Manual clamping element GS series

stainless steelaluminiumflange

The ISO-K clamping claw is a closure element for ISO-K flanges designed to secure and join two flange parts by means of multiple claws and a nut that compresses the assembly.

Number of claws by nominal diameter (DN):

• DN63 — 4 claws
• DN80 — 8 claws
• DN100 — 8 claws
• DN125 — 8 claws
• DN160 — 8 claws
• DN200 — 12 claws
• DN250 — 12 claws
• DN320 — 12 claws
• DN400 — 16 claws
• DN500 — 16 claws
• DN630 — 20 claws

Available items (commercial variants):

• GS63250ISO-4 — Material: AISI 304; Finish: Natural; DN: From 63 to 250; A: 61 mm; Bolt: M10
• GS320500ISO-4 — Material: AISI 304; Finish: Natural; DN: From 320 to 500; A: 76 mm; Bolt: M12
• GS630ISO-4 — Material: AISI 304; Finish: Natural; DN: 630; A: 85.8 mm; Bolt: M12
• GS63100ISO-A — Material: Aluminium; Finish: Natural; DN: From 63 to 100; A: 50.8 mm; Bolt: M8
• GS160250ISO-A — Material: Aluminium; Finish: Natural; DN: From 160 to 250; A: 52.3 mm; Bolt: M10
• GS320500ISO-A — Material: Aluminium; Finish: Natural; DN: From 320 to 500; A: 67.5 mm; Bolt: M12
• GS63250ISO-AZ — Material: Galvanized steel; Finish: Natural; DN: From 63 to 250; A: 61 mm; Bolt: M10
• GS320500ISO-AZ — Material: Galvanized steel; Finish: Natural; DN: From 320 to 500; A: 76 mm; Bolt: M12
• GS630ISO-AZ — Material: Galvanized steel; Finish: Natural; DN: 630; A: 85.8 mm; Bolt: M12

Characteristics / technical specifications:

• Series: ISO-K
• Product type: Clamping closures
• Available materials: Stainless steel (AISI 304), Galvanized steel, Aluminium
• Finish: Natural
• Clamping mechanism: Nut-driven compression of the joined parts
• Number of claws required: Variable depending on DN (see list above)
• Dimension A (examples): 50.8 mm, 52.3 mm, 61 mm, 67.5 mm, 76 mm, 85.8 mm
• Typical bolt thread per variant: M8, M10 or M12
• Availability: multiple variants with medium to high stock levels depending on model