{"id":13338,"date":"2026-07-30T11:09:06","date_gmt":"2026-07-30T09:09:06","guid":{"rendered":"https:\/\/lubeteam.it\/prodotto\/stauff-pipe-bushing-srf\/"},"modified":"2026-08-07T11:24:52","modified_gmt":"2026-08-07T09:24:52","slug":"stauff-pipe-bushing-srf","status":"publish","type":"product","link":"https:\/\/lubeteam.it\/en\/product\/stauff-pipe-bushing-srf\/","title":{"rendered":"STAUFF Pipe Bushing SRF"},"content":{"rendered":"

Operating Principle and Applications<\/h3>\n

The STAUFF Pipe Bushing SRF<\/strong> provides an advanced technical solution for hydraulic applications and Fluid Contamination Control. Specifically designed for centring pipes within through-holes, this bushing is ideally suited for return lines entering hydraulic reservoirs.<\/p>\n

The technical design of the bushing not only ensures perfect pipe alignment but also serves as a critical element for absorbing vibrations and reducing operating noise. This dual function protects the structural integrity of the hydraulic system and extends the service life of connected components. Installation is designed to be extremely quick and efficient through a plug-in system, significantly reducing assembly times in industrial applications.<\/p>\n

Construction Features and Dimensions<\/h3>\n

The SRF Series is compatible with commonly used pipe diameters, supporting both metric and imperial sizes. Specifically, metric outside diameters (\u00d8D1) range from 6 mm up to 42 mm, while imperial sizes cover a range from 1\/4″ up to 1-1\/2″. The component can accommodate specific pipe variants, including copper tubes compliant with ASTM B88 (e.g. 1\/4″, 3\/8″, 1\/2″, 3\/4″, 1″, 1-1\/4″, 1-1\/2″) and standard pipes (e.g. 1\/8 Pipe, 1\/4 Pipe, 1-1\/4 Pipe).<\/p>\n

From a dimensional perspective, all bushings maintain a constant overall height (H1) of 22 mm and flange height (H2) of 4 mm. The supported mounting wall thickness ranges from 4 mm to 12 mm, providing considerable installation flexibility across different reservoir wall thicknesses. The required mounting hole diameter (\u00d8D3) varies proportionally from 10 mm to 47 mm depending on the pipe size. Finally, the flange outside diameter (\u00d8D2) ranges from 18 mm up to 55 mm.<\/p>\n

Standard Material Specifications<\/h3>\n

To meet different operating requirements, the STAUFF Pipe Bushing SRF is available in two high-quality standard materials. The first is Polypropylene, characterised by its natural colour and identified in the order code by the abbreviation PP. The second material is a Thermoplastic Elastomer with a hardness of 87 Shore-A; this material is supplied in black and identified by the abbreviation SA.<\/p>\n

The order code structure is designed to ensure maximum accuracy when selecting the component. The code always begins with SRF, identifying the Pipe \/ Tube Bushing family. This is followed by the exact outside diameter (\u00d8D1) expressed in millimetres, which can take sixteen different standardised values. The final part of the code specifies the material, allowing the PP or SA variant to be selected. This rigorous coding system ensures that engineers and purchasing managers can uniquely identify the most suitable centring and vibration-absorbing component for the specific return lines of their hydraulic systems, ensuring reliability and optimum performance.<\/p>\n

Summary Technical Table of the Main Features of the STAUFF Pipe Bushing SRF<\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Feature<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
Series \/ Family<\/td>\nSTAUFF SRF (Pipe \/ Tube Bushing)<\/td>\n<\/tr>\n
Main Function<\/td>\nCentring pipes in through-holes, vibration and noise absorption<\/td>\n<\/tr>\n
Installation<\/td>\nPlug-in<\/td>\n<\/tr>\n
Metric Outside Diameters (\u00d8D1)<\/td>\nFrom 6 mm to 42 mm<\/td>\n<\/tr>\n
Nominal Imperial Size<\/td>\nFrom 1\/4″ to 1-1\/2″<\/td>\n<\/tr>\n
PP Material (Code: PP)<\/td>\nPolypropylene, Natural Colour<\/td>\n<\/tr>\n
SA Material (Code: SA)<\/td>\nThermoplastic Elastomer (87 Shore-A), Black<\/td>\n<\/tr>\n
Overall Height (H1)<\/td>\n22 mm<\/td>\n<\/tr>\n
Flange Height (H2)<\/td>\n4 mm<\/td>\n<\/tr>\n
Supported Wall Thickness<\/td>\n4 … 12 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n

Product Codes<\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Model (Base Code)<\/th>\nPipe Outside Diameter \u00d8D1 (mm)<\/th>\nNominal Size (Copper\/Pipe Options)<\/th>\n<\/tr>\n<\/thead>\n
SRF-06<\/td>\n6<\/td>\n–<\/td>\n<\/tr>\n
SRF-08<\/td>\n8<\/td>\n1\/4″, 5\/16″<\/td>\n<\/tr>\n
SRF-10<\/td>\n10<\/td>\n3\/8″, 1\/8 Pipe<\/td>\n<\/tr>\n
SRF-12<\/td>\n12<\/td>\n1\/2″ (1\/4 Copper Tube ASTM B88)<\/td>\n<\/tr>\n
SRF-14<\/td>\n14<\/td>\n1\/4 Pipe<\/td>\n<\/tr>\n
SRF-15<\/td>\n15<\/td>\n3\/8 Copper Tube (ASTM B88)<\/td>\n<\/tr>\n
SRF-16<\/td>\n16<\/td>\n5\/8″, 1\/2 Copper Tube (ASTM B88)<\/td>\n<\/tr>\n
SRF-18<\/td>\n18<\/td>\n–<\/td>\n<\/tr>\n
SRF-20<\/td>\n20<\/td>\n3\/4″<\/td>\n<\/tr>\n
SRF-22<\/td>\n22<\/td>\n7\/8″, 3\/4 Copper Tube (ASTM B88)<\/td>\n<\/tr>\n
SRF-25<\/td>\n25<\/td>\n1″<\/td>\n<\/tr>\n
SRF-28<\/td>\n28<\/td>\n1 Copper Tube (ASTM B88)<\/td>\n<\/tr>\n
SRF-30<\/td>\n30<\/td>\n–<\/td>\n<\/tr>\n
SRF-35<\/td>\n35<\/td>\n1-1\/4 Copper Tube (ASTM B88)<\/td>\n<\/tr>\n
SRF-38<\/td>\n38<\/td>\n1-1\/2″<\/td>\n<\/tr>\n
SRF-42<\/td>\n42<\/td>\n1-1\/4 Pipe, 1-1\/2 Copper Tube (ASTM B88)<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n","protected":false},"excerpt":{"rendered":"

The STAUFF Pipe Bushing SRF is designed for centring metric and imperial pipes in through-holes, making it ideal for return lines entering hydraulic reservoirs. It provides excellent absorption of vibrations and structure-borne noise. Featuring rapid plug-in installation, it is available in Polypropylene (PP) or Thermoplastic Elastomer (SA). The available product codes follow the base family according to diameter, for example: SRF-06, SRF-08, SRF-10 up to SRF-42, available in PP or SA variants.<\/p>\n","protected":false},"featured_media":13180,"template":"","meta":{"_joinchat":[]},"product_brand":[],"product_cat":[475,101],"product_tag":[281],"class_list":{"0":"post-13338","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-additional-fastening-clamps","7":"product_cat-clamps","8":"product_tag-stauff","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"\nSTAUFF Pipe Bushing SRF \u2013 LubeTeam Hydraulic<\/title>\n<meta name=\"description\" content=\"STAUFF Pipe Bushing SRF for centring metric and imperial pipes. Absorbs vibrations and noise. Materials: PP and SA. 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