Technical Manual
64Pages

Our experience - your guarantee The name STRAUB is synonymous with expertise, quality and reliability. As an internationally renowned manufacturer of pipe joints, STRAUB not only invented "the original", it also owns the patents on several out- standing features that still make the famous STRAUB pipe coupling the unquestioned leader in its class. Our unique pipe coupling concept is backed by 40 years of experience and continuous development, guaranteeing Swiss quality and value. Our solution - your added value Our total product and customer focus enables us to respond quickly and...

Two types of STRAUB couplings 4 STRAUB-FLEX / STRAUB-OPEN-FLEX Overview 36 STRAUB-OPEN-FLEX fitting tool 44 Long catch bolt 45 Electrical conductivity clips 45 SETTING GAP BETWEEN PIPE ENDS 50 ASSEMBLY SET-UP TIME 51 FITTING / DISASSEMBLY INSTRUCTIONS 52 Corrosion check list 56 FACTS WORTH KNOWING 58 SHORT CHECK LIST 59 Quality and engineering competency 60 Mounting and service package 61

Two types of STRAUB coupling One unique technical principle: two basic types, but with innumerable applications, wherever pipes have to be joined together - that is the secret of STRAUB pipe joints. Based on the well-proven coupling technology, we combine different pipe materials for optimum solu- Their safety and reliability have been examined and certificated by public authorities, insurance companies, technical inspectorates and licensing institutions for all the major industrial sectors in most industrial countries. You can rely on STRAUB couplings. The progressive sealing effect As the...

Benefits of STRAUB couplings Suitable for any pipe material Compatible with any traditional jointing system Joins pipes of the same or dissimilar materials Leakproof joint for liquids, gas and for solids Quick and simple repairs of damaged pipes without service interruptions Installation and sealing principle consistent troughout the range Pull-out resistant or axially flexible available Pre-assembled design ensures simple and rapid installation For use on plain-end pipes without the need for costly pipe end preparation Simply cut pipes to length, center coupling and tighten bolts Suitable...

STRAUB Products straub-metal-grip straub-grip-l straub-metal-grip straub-grip-l fire-fence fire-fence straub-eco-grip straub-combi-grip straub-plast-grip straub-plast-pro straub-flex straub-open-flex straub-open-flex gt Straub-clamp sce 6 straub-metal-grip gt straub-clamp scz Technical Manual 2012/01

In a class by itself - for demanding STRAUB-METAL-GRIP is a high-performance coupling suitable for all pipe systems. This coupling is mainly used for building construction or civil engineering, power plants and demanding shipbuilding / offshore applications or as a machinery component. STRAUB-METAL-GRIP also absorbs unexpected field stress and applies perfect for seismic retrofits. STRAUB-METAL-GRIP as a high-quality pipe joint in a tunnel area; shock proofed up to 200 g STRAUB-METAL-GRIP GT is especially designed, additional consumer • Flow rate • Operating checks Cooling pipeline of an...

Components / Materials Anchoring rings Strip insert (option) Sealing sleeve Sealing sleeve Sealing sleeve all qualities of water, waste water, air, solids and chemical products Medium: water, gas, oil, fuel and other hydrocarbons Medium: water, gas, oil, fuel and other hydrocarbons • Follow fitting / disassembly instructions • PS = Working pressure considering the application loads Test pressure = PS x 1.5 (for example industry, water supply etc.) • The pressure values are valid on radial rigid carbon steel pipes under static loads • For minimum wall-thickness of pipe, see page 54 • Strip...

Components / Materials Anchoring rings Strip insert (option) Sealing sleeve Sealing sleeve all qualities of water, waste water, air, solids and chemical products water, gas, oil, fuel and other hydrocarbons • Follow fitting / disassembly instructions • PS = Working pressure considering the application loads Test pressure = PS x 1.5 (for example industry, water supply etc.) • The pressure values are valid on radial rigid carbon steel pipes under static loads • For minimum wall-thickness of pipe, see page 54 • Strip inserts are required for special applications, see page 43 For IPS sizes In...

Components / Materials Anchoring rings Sealing sleeve all qualities of water, waste water, air, solids and chemical products • Follow fitting / disassembly instructions • PS = Working pressure considering the application loads Test pressure = PS x 1.5 (for example industry, water supply etc.) • The pressure values are valid on radial rigid carbon steel pipes under static loads • For minimum wall-thickness of pipe, see page 54 For IPS sizes in bold see page 54 for actual OD Typing errors may occur. Technical details are subject to change

Standard duty - for industrial plant STRAUB-GRIP-L is the light standard coupling series from STRAUB. It is particularly suitable for lighter pipes within the lower pressure range, e.g. for water and waste water treatment applications, industrial process pipe work and shipbuilding. A special advantage is the light weight and the single bolt on the small diameters. 100% Stainless steel construction Time-saving installation due to the single bolt system; Prefabricated pipe section are installed with STRAUB-GRIP-L Integration of controls and instruments into an aluminium extrusion unit STRAUB...

Components / Materials Anchoring rings Strip insert (option) Sealing sleeve Sealing sleeve Sealing sleeve Sealing sleeve Medium: all qualities of water, waste water, air, solids and chemical products Medium: water, gas, oil, fuel and other hydrocarbons_ Medium: water, gas, oil, fuel and other hydrocarbons_ Medium: ozone, oxygen, acids, gas, oil and fuel (only with strip insert) 26.9 - 60.3 with single bolt • Follow fitting / disassembly instructions • PS = Working pressure considering the application loads Test pressure = PS x 1.5 (for example industry, water supply etc.) • The pressure...