Modular system with original STAUFF block-style fixing clamps according to DIN 3015 (Part 2: Heavy Series) for the fast, simple and simultaneously secure fastening of pipes, tubes, hoses, cables and other components with outer diameters of up to 450 millimetres – and not just in hydraulics. Full product range. Individual components and clamp sets. Tried and tested over decades. Tested and approved by many international certification bodies.

Heavy Series according to DIN 3015, Part 2

Modular system with original STAUFF block-style fixing clamps according to DIN 3015 (Part 2: Heavy Series) for the fast, simple and simultaneously secure fastening of pipes, tubes, hoses, cables and other components with outer diameters of up to 450 millimetres – and not just in hydraulics. Full product range. Individual components and clamp sets. Tried and tested over decades. Tested and approved by many international certification bodies.

Categories

14 Categories
Clamp Bodies (Heavy Series)
According to DIN 3015, Part 2
Clamp Kits (Heavy Series)
According to DIN 3015, Part 2
Clamp Bodies with Rubber Inserts (Heavy Series)
According to DIN 3015, Part 2
Rubber Inserts (Heavy Series)
According to DIN 3015, Part 2
Clamp Kits with Rubber Inserts (Heavy Series)
According to DIN 3015, Part 2
Weld Plates (Heavy Series)
According to DIN 3015, Part 2
Cover Plates (Heavy Series)
According to DIN 3015, Part 2
Hexagon Head Bolts (Heavy Series)
According to DIN 3015, Part 2
Socket Head Cap Screws (Heavy Series)
According to DIN 3015, Part 2
Stacking Bolts (Heavy Series)
According to DIN 3015, Part 2
Safety Locking Plates and Safety Washers (Heavy Series)
According to DIN 3015, Part 2
Mounting Rails (Heavy Series)
According to DIN 3015, Part 2
Hexagon Rail Nuts (Heavy Series)
According to DIN 3015, Part 2
Channel Rail Adaptors (Heavy Series)
According to DIN 3015, Part 2

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Original STAUFF clamps according to DIN 3015, Part 2

Heavy Series: The perfect option for medium to heavy loads

With the Heavy Series according to DIN 3015-2 (Fastening clamps - Block clamps - Part 2: Heavy duty [S]), STAUFF offers a modular system for easy and reliable attaching of tubes, hoses, electric cables, rigid and flexible lines, and other components.  As a standard, the series covers all common metric and imperial diameters between 6 and 450 mm. This means that the component from the Heavy Series are suitable for applications with medium to particularly high loads on the lines.

Large selection of clamp bodies

The core of the Heavy Series is formed by the clamp bodies, which consist of two mirrored, i.e. identical, clamp halves. These clamp bodies achieve highly effective vibration damping and noise reduction. This allows STAUFF clamps from this series to make a substantial contribution to preventive health and safety and environmental protection.

Materials and resistances

The clamp bodies are manufactured from high-quality plastic as a standard and are therefore resistant to UV radiation, weather and chemicals: The typically used materials are polypropylene (PP), polyamide (PA) and thermoplastic elastomer or full rubber (SA). Flame-retardant materials are also available to meet individual fire protection requirements. Aluminium (Al) clamp bodies are also part of the standard range. The elements can optionally also be machined from stainless steel.  

STAUFF polypropylene clamp bodies are usually green. Black polypropylene clamps are optionally available. PA clamps and full-rubber clamp bodies are also black as a standard.

Smooth and ribbed versions

The STAUFF range of standard clamp bodies includes smooth and ribbed versions: 

Clamp bodies with a ribbed inner surface and pre-tensioning are recommended for reliable attaching of tubes. They should preferably be used as a fixed-point clamp, where the tube is clamped between the two halves of the clamp. The outer diameter of the line to be attached corresponds to the inner diameter of the clamp body as shown in the catalogue and on the product itself. The gap between the two clamp halves ensures the appropriate pre-tensioning during attaching. The recommended screw tightening torques and maximum tube retention forces defined in the product catalogue must be observed. 

Clamp bodies with a smooth inner surface and without pre-tensioning (type H) are recommended for reliable attaching of hoses and cables. Smooth inner surfaces and chamfered edges prevent damage to hoses and cables. The outer diameter of the line to be attached corresponds to the inner diameter of the clamp body as shown in the catalogue and on the product itself. The following applies for use as a floating bearing: The inner diameter of the clamp body stated in the catalogue and on the product itself is selected to be marginally larger than the outer diameter of the line to be attached (in accordance with the specific requirements), so that the line is only guided by the clamp body rather than clamped. 

Clamp bodies with elastomer insert (type R) are suitable for noise-reducing and vibration-reducing attaching of tubes and for particularly gentle fastening of hoses and cables. This is a standardised clamp body profile for precision seating of an insert (type RI) made of thermoplastic elastomer or a similar material, typically with a Shore hardness between 55 Shore A and 87 Shore A. 

Weld plates, rail nuts, cover plates and other accessories

STAUFF offers a range of accessories for clamps in the Heavy Series that is unrivalled in its scope, quality and availability.  

This includes weld plates in all available versions, which are used as base plates or ground plates. In addition to the simple weld plates, this also includes extended weld plates with fastening holes for anchor fastening as well as double weld plates.  

Rail nuts from STAUFF allow the installation of tube clamps, hose clamps and cable clamps on mounting rails and C-rails, which are available in different heights. In contrast to the usual variants using welding or screws, the position of the clamps can easily be adjusted along the mounting rail before final tightening. Clamps can also easily be added or removed later on through the openings in the side of the mounting rail.  

STAUFF CRA channel rail adaptors allow Heavy Series STAUFF clamps in block form to be easily and safely adapted to different profile rails from a number of renowned manufacturers. This allows tubes and hoses as well as cables and other components to be easily installed and then adjusted at any time later on. 

Also included in the accessories range: Cover plates, safety locking plateslocking washers and safety washers, for example in accordance with DIN 93 (with one wing) and DIN 463 (with two wings).  

As a standard, STAUFF supplies hexagon head screws, i.e. screws with a hexagon head type AS according to DIN 931 (with shaft) or DIN 933 (thread up to the head) or ANSI/ASME B18.2.1., hexagon socket screws, i.e. cheese-head screws with a hexagon socket type IS according to ISO 4762 (previously DIN 912) or ANSI/ASME B18.3. as well as stacking screws according to the STAUFF factory standard. 

In terms of materials, the entire accessories range is available in steel or stainless steel in the qualities V2A 1.4301/1.4305 (AISI 304/303) and V4A 1.4401/1.4571 (AISI 316/316 Ti). The steel variants are supplied with different coatings from the factory (phosphated, plain/uncoated, zinc-nickel coating). The special STAUFF zinc/nickel coating offers reliable corrosion protection that goes far beyond previous market standards – even after transport, processing and assembly of the components. This was confirmed by tests in a salt spray chamber in line with EN ISO 9227. 

Complete clamps consisting of clamp bodies and accessories

In addition to the individual parts, STAUFF also offers complete sets, i.e. clamp combinations from the Heavy Series according to DIN 3015 Part 2, consisting of clamp bodies and all required fasteners and other assembly accessories: cover plates, weld plates, safety locking plates, rail nuts, channel rail adaptors and bolts. Optionally, these complete clamps can be packaged as sets or delivered pre-assembled.

Independent certificates, approvals and registrations

Independent certificates, approvals and registrations

Independent certifications, approvals and registrations are available for the STAUFF Heavy Series:  

  • American Bureau of Shipping (ABS)   

  • Bureau Veritas (BV)   

  • Det Norske Veritas/Germanischer Lloyd (DNV-GL)  

  • Lloyd's Register (LR)   

  • Department of the Navy   

  • Registro Italiano Navale (RINA)   

  • Russian Maritime Register of Shipping (RS)   

  • Technischer Überwachungsverein (TÜV – German Technical Inspection Association) for the Heavy Series   

  • United States Coast Guard(USCG)   

Buy STAUFF Products Online

Via the STAUFF online shop, commercial customers and users can purchase and order the products listed in this category online – quickly, easily, safely, and with fair pricing conditions. 

STAUFF supplies a full range of products for mechanical and plant engineering and for industrial service and maintenance with more than 50,000 individual standard hydraulic components in 10 product groups. On request, STAUFF also provides customer and application-specific system and special solutions according to specific requirements. 

A wide range of original STAUFF products are permanently available from stock.

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