400 SERIES – Toroidal spring
The 400 Series includes a range of double piston effect seals (DPE ), each one with a specific number of items. It’s possible to create versions with a different number of elements: jackets, toroidal springs and retainers, choosing from a total of 5, 6, 7, 8 or 9 elements.
product code
technical draft
product description
400
Double-acting piston effect seal (DPE) made of 6 elements per single unit: 2 standard jackets, 2 toroidal springs, 2 retainers. All available in different materials.
401
Double-acting piston effect seal made of 7 elements per single unit: 2 standard jackets, 2 toroidal springs, spacer, 2 retainers. All available in different materials.
404
Double-acting piston effect seal made of 5 elements per single unit: 1 short combined jacket, 2 toroidal springs, 2 retainers. All available in different materials.
424
Double-acting piston effect seal made of 5 elements per single unit: 1 short combined jacket, 2 toroidal springs, 2 retainers. All available in different materials.
450
Double-acting piston effect seal made of 8 elements per single unit: 2 standard jackets, 4 toroidal springs, 2 retainers. All available in different materials.
451
Double-acting piston effect seal made of 8 elements per single unit: 2 standard jackets, 4 toroidal springs, 2 retainers. All available in different materials.
452
Double-acting piston effect seal made of 9 elements per single unit: 2 standard jackets, 4 toroidal springs, 1 spacer, 2 retainers. All available in different materials.
454
Double-acting piston effect seal made of 7 elements per single unit: 1 combined jacket, 4 toroidal springs, 2 retainers. All available in different materials.