{"id":1231,"date":"2020-11-20T10:52:25","date_gmt":"2020-11-20T09:52:25","guid":{"rendered":"https:\/\/schoenborner.com\/Websiteab2020\/?page_id=1231"},"modified":"2023-11-01T15:08:18","modified_gmt":"2023-11-01T14:08:18","slug":"wiki","status":"publish","type":"page","link":"https:\/\/schoenborner.com\/en\/wiki\/","title":{"rendered":"Wiki"},"content":{"rendered":"<section class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text][\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<h1><span style=\"color: #024f9c;\">Our Dictionary<br \/>\n<\/span><\/h1>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<h3><strong>Abbreviations used and standards observed:<\/strong><\/h3>\n<p>EBG = extension spindles<strong><br \/>\n<\/strong><\/p>\n<p>TPE =<strong> T<\/strong>hermo<strong>p<\/strong>lastische <strong>E<\/strong>lastomere<\/p>\n<p>PE = <strong>P<\/strong>oly<strong>e<\/strong>thylen[\/vc_column_text][vc_column_text]DVGW GW 336-1 (A)<\/p>\n<ul>\n<li>Technical rule &#8211; Code of practice DVGW GW 336-1 (A) \u2502 September 2010 Buried fittings &#8211; Part 1: Standardisation of interfaces between gate valves und extension spindles<\/li>\n<\/ul>\n<p>DVGW GW 336-2 (P)<\/p>\n<ul>\n<li>Technical test specification DVGW GW 336-2 (P) \u2502 September 2010 Earth installation sets &#8211; Part 2: Requirements and tests<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">DVGW W 336 (P)<\/p>\n<ul>\n<li>Technical test specification DVGW W 336 (P) \u2502 October 2013 Water tapping valves; requirements and tests<\/li>\n<\/ul>\n<p>DVGW W 363 (P)<\/p>\n<ul>\n<li>Technical test specification DVGW W 363 (P) \u2502 June 2010 Shut-off valves, backflow preventers, aeration\/deaeration valves and control valves made of metallic materials for drinking water supply systems &#8211; Requirements and tests<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;1242&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221;][\/vc_column][\/vc_row][vc_row][vc_column][vc_separator color=&#8221;custom&#8221; border_width=&#8221;4&#8243; accent_color=&#8221;#00338d&#8221;][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<h3><strong>Wortbedeutungen:<\/strong><\/h3>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_tta_accordion][vc_tta_section title=&#8221;Cover cap&#8221; tab_id=&#8221;1605866146460-bc68e128-f47c&#8221;][vc_column_text]<\/p>\n<ul>\n<li>The component &#8220;cover cap&#8221; attached to the upper end of the EBG protective pipe system is the system termination of the protective pipe system and seals it against the penetration of function-influencing impurities.<\/li>\n<li>When using telescopic EBG, the collar of the cover cap serves as an installation length fixation. This is supported by the surrounding and compacted filling material of the EBG.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Scraper cap&#8221; tab_id=&#8221;1605866146477-2b5311a5-bf53&#8243;][vc_column_text]<\/p>\n<ul>\n<li style=\"text-align: justify;\">The wiper cap is fixed to the upper end of the lower protective tube. It is made of TPE and has a sealing lip that rests against the telescopic protective tube. The wiper cap wipes off adhering impurities in the course of minimising the overall length (telescoping). This minimises the risk of impurities affecting the function of the EBG.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Pull-out protection&#8221; tab_id=&#8221;1605867021404-1969a446-04fa&#8221;][vc_column_text]The plastic elements fixed to both rod partners have the task of preventing unintentional overstretching of the construction length.<br \/>\nThe DVGW worksheet GW 336-2 (P) September 2010 states:<br \/>\nAnti-extension device for telescopic EBGs: &#8220;Telescopic EBGs must have an anti-extension device that can withstand a force of at least 150N.&#8221;<br \/>\nThis is to prevent the unintentional destruction of the functionality of the EBG in the course of adjusting the overall length.[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Operating square&#8221; tab_id=&#8221;1605867023159-ccdb6d3f-3110&#8243;][vc_column_text]<\/p>\n<ul>\n<li style=\"text-align: justify;\">The actuating square forms the upper end of the linkage system. The actuating key according to DIN 3223 is placed on the actuating square for torque transmission. The dimensional specifications are fixed in the technical test specification DVGW GW 336-2 (P)\u2502September 2010.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Delta-Protect&#8221; tab_id=&#8221;1605870207279-7f1df669-4fcf&#8221;][vc_column_text]Type of galvanisation for castings.[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Disassembly-proof&#8221; tab_id=&#8221;1605867023815-4f08a3a8-2355&#8243;][vc_column_text]<\/p>\n<ul>\n<li>It is impossible for individual parts of the protective tube system to be separated from each other unintentionally during the assembly of the coupling system.<br \/>\nThis is ensured by a cable tie, which is located in the rod hole, in which the connecting means for the coupling assembly will later be fixed. Before mounting the coupling system, the linkage must be pulled out of the area of the protective tube bell. Only then may the cable tie (without tools) be loosened.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Boom system&#8221; tab_id=&#8221;1605867024794-8f32ba7b-00c7&#8243;][vc_column_text]<\/p>\n<ul>\n<li>includes all components that are connected to the linkage components:<br \/>\nSquare steel and<br \/>\nsquare tube\/square tubes.<\/li>\n<li>Depending on the variant, this includes the coupling system.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Higher strength plastic&#8221; tab_id=&#8221;1605867027829-7cffd0f4-926a&#8221;][vc_column_text]<\/p>\n<ul>\n<li style=\"text-align: justify;\">The plastic elements used for torque transmission as well as for brake and pull-out protection are exposed to great stress. The suitability of the plastic elements made of fibre-reinforced special plastic was examined in many test runs.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;High-strength, torque-stabilised square tube | material number 1.0529 according to DIN EN 10327 \/ DIN EN 10143 (S350GD)&#8221; tab_id=&#8221;1605867028886-624290e2-1ff6&#8243;][vc_column_text]<\/p>\n<ul>\n<li>Higher strength compared to mild steel S235JR.<br \/>\nYield strength \u2265 350 MPa. Plastic deformation only occurs above 350 MPa.<br \/>\nTensile strength \u2265 420 MPa (\u2264560 MPA). Material failure can only occur from 420 MPa.<\/li>\n<li>The square tube was developed in collaboration with a European steel rolling mill to suit the task. Particular emphasis was placed on the design for torque transmission.<br \/>\nIn order to ensure optimum functionality in telescoping, attention was paid to maintaining optimised manufacturing tolerances. This is matched to the square tube used and its function within the square tube pairing.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Internal, rotatably mounted boom centring device&#8221; tab_id=&#8221;1605867029608-ee4be957-aec2&#8243;][vc_column_text]<\/p>\n<ul>\n<li>In order to improve and secure the functionality of the protective pipe system, an internal, pivoting rod centring device is installed in the protective pipe bell.<\/li>\n<\/ul>\n<p>Background: In the course of compacting filling material in the pipe trench, the filling material is compressed and moved in the lateral direction of materials that are not yet or less compacted. The forces acting laterally on the protective pipe system usually cause the protective pipe system to be pressed against the rod system over a large area, resulting in functional impairment. The internal, rotatably mounted boom centring minimises the effect of the force, because the contact point is reduced to a minimum and is also rotatably mounted.[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Ball bearing mounted rod rotating union&#8221; tab_id=&#8221;1605867702451-95dc06ea-d178&#8243;][vc_column_text]<\/p>\n<ul>\n<li style=\"text-align: justify;\">To actuate telescopic fittings laid in the ground, a manually applied force (torque) is transmitted to the actuating element &#8220;EBG&#8221; by means of an actuating key. To ensure that the torque is transmitted as gently as possible, a ball-bearing rod rotary union is installed in the system termination of the protective conduit system. The load is transmitted from the actuating square to the rod rotary union via stainless steel balls which are guided in a race made of fibre-reinforced plastic.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;non ball bearing rod rotating union&#8221; tab_id=&#8221;1605870246896-05d92aa8-72ed&#8221;][vc_column_text]<\/p>\n<ul>\n<li>To actuate adjustable and rigid valves laid in the ground, a manually applied force (torque) is transmitted to the actuating element &#8220;EBG&#8221; by means of an actuating key. Here, the load is applied from the actuating square via the rod rotary union to the rod.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Upper system termination&#8221; tab_id=&#8221;1605867703438-b34a971c-3832&#8243;][vc_column_text]<\/p>\n<ul>\n<li>The cover cap attached to the upper end of the EBG&#8217;s protective tube system forms the system termination of the protective tube system.<\/li>\n<li>The actuating square is the upper termination of the boom system.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Product configurator&#8221; tab_id=&#8221;1605867704265-4e92965c-08c1&#8243;][vc_column_text]<\/p>\n<ul>\n<li>A product configurator is a tool that supports the user in the design\/combination of a product that can be assembled according to properties. This product is automatically assembled step by step according to corresponding properties and rules of constructability.<\/li>\n<li>In this way, the customer is given a personalised product experience, whereby he himself controls the process of creating a product that is individually adapted to his needs.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Self-locking&#8221; tab_id=&#8221;1605868015382-6ea4d1d1-1961&#8243;][vc_column_text]<\/p>\n<ul>\n<li style=\"text-align: justify;\">The boom system consists of an upper and lower boom partner:<br \/>\nSquare steel \/ Square tube<br \/>\nSquare tube \/ Square tube<\/li>\n<li style=\"text-align: justify;\">Spring-loaded plastic elements between the boom partners create a braking effect (self-locking). As the boom system and the protective tube system form one unit in the telescopic EBG, the braking effect has a restraining effect on the entire EBG in the course of the overall length adjustment.<\/li>\n<\/ul>\n<p>Background: Using a vibrator or tamper, the filling material filled in the pipe trench is compacted\/compressed. The vibrations generated in the process are transmitted to the EBG. If the braking force\/self-locking is inadequately designed, the set construction length of the EBG changes unintentionally. To prevent this, a spring length adjusted to the EBG weight is used depending on the linkage cross-section and length.<\/p>\n<ul>\n<li style=\"text-align: justify;\">In the DVGW worksheet GW 336-2 (P) September 2010 it is written<br \/>\nSelf-locking for telescopic EBG: &#8220;Telescopic EBGs must be telescopic in the specified boom length range and self-locking in any specified extension position&#8221;.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Dirt-tight&#8221; tab_id=&#8221;1605868016297-886256c9-b194&#8243;][vc_column_text]<\/p>\n<ul>\n<li>The washing in of impurities that influence the function of the actuating element is minimised.<\/li>\n<li>The DVGW worksheet GW 336-2 (P) September 2010 states:<br \/>\nUpper closure of the sleeve pipe: &#8220;To protect against the ingress of contamination, the sleeve pipe must be provided with a suitable cover at the top.&#8221;<\/li>\n<li>This function is performed by the cover cap.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Protective pipe bell according to DVGW GW 336-1A (A)&#8221; tab_id=&#8221;1605868016950-1f80489e-479b&#8221;][vc_column_text]<\/p>\n<ul>\n<li style=\"text-align: justify;\">The DVGW worksheet mentioned above specifies the dimensions of the interface between the valve and the EBG. The protective pipe bell also complies with these specifications.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Protective pipe system&#8221; tab_id=&#8221;1605868215648-944f920d-fdf1&#8243;][vc_column_text]<\/p>\n<ul>\n<li>includes all components that are inseparable from the protective tubes welded and plugged in.<\/li>\n<li>Depending on the variant, this includes<br \/>\nin the case of EBG for house connection gate valves, the rod rotary union and<br \/>\nin the case of EBG for network gate valves, the actuating square protector.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Stepless height adjustment&#8221; tab_id=&#8221;1605868216442-bf31ee6b-fe82&#8243;][vc_column_text]<\/p>\n<ul>\n<li>The installation length of the installation extension spindles is continuously adjustable within the specified installation length range before installation. After installation or after mounting on the fitting, this value is reduced because the mounting position of the coupling element does not correspond to that of the protective tube bell. In order for the coupling element to reach the mounting position, it must be pulled out of the protective tube system by a certain amount. The adjustment range changes by this amount and, correspondingly, the minimum construction length range to be achieved.<\/li>\n<li>The height adjustment is infinitely variable, as there is no adjustment element with which the height can be adjusted.<br \/>\nWhen using telescopic EBG, the collar of the cover cap serves to fix the overall length\/height adjustment. This is supported by the surrounding and compacted filling material of the EBG.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;stone shield&#8221; tab_id=&#8221;1605869970825-03f773ec-5c82&#8243;][vc_column_text]Protective pipe against coarse external backfill (gravel) in the ground for telescopic EBG&#8217;s.[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Telescopic tubes&#8221; tab_id=&#8221;1605868217179-ea20e262-9728&#8243;][vc_column_text]<\/p>\n<ul>\n<li>With the telescopic pipe system consisting of two PE pipes, the telescopability of the protective pipe system is realised. The dimensions of the protective pipes are selected in such a way that the gap between the two pipes does not negatively affect the telescoping capability of the EBG system, but ensures a certain degree of system stabilisation.<\/li>\n<li>The functional position of the protection tubes in the protection tube system has a decisive influence on the feasibility of a functional construction length adjustment. The telescopic protective tube must be guided in the lower protective tube for this purpose.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Deep orange RAL 2011&#8243; tab_id=&#8221;1605868603592-018de559-e2fb&#8221;][vc_column_text]<\/p>\n<ul>\n<li style=\"text-align: justify;\">is used for road vehicles in Germany (colloquially municipal orange). RAL colours are colours standardised by the RAL Institute.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Square steel material number 1.0038 according to DIN EN 1.0025-2 (ST37-2 \/ S235JR)&#8221; tab_id=&#8221;1605868604387-a8d6e5a1-bdd9&#8243;][vc_column_text]<\/p>\n<ul>\n<li>unalloyed structural steel<\/li>\n<li>Yield strength 185 &#8211; 355 MPa. Plastic deformation can occur from 185 MPa.<\/li>\n<li>Tensile strength 340 &#8211; 510 N\/mm\u00b2. Material failure can already occur from 340 MPa.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Pre-assembled&#8221; tab_id=&#8221;1605868605141-8e82667a-1e39&#8243;][vc_column_text]<\/p>\n<ul>\n<li>Depending on the EBG model, the complete EBG consists of the system components:<br \/>\nProtective tube system<\/li>\n<li>Linkage system<\/li>\n<li>coupling system.<\/li>\n<li>All systems are inseparable\/separable from each other. The system concept behind this allows for variability in the structure of the entire system.<br \/>\nIt is impossible for system components to become unintentionally detached during transport from the manufacturer to the purchaser and purchaser\/supplier to the end customer.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Zinc lamella (silver\/black)&#8221; tab_id=&#8221;1605868721331-6f7fe744-5492&#8243;][vc_column_text]Zinc flake coatings are coatings applied by the dip-spin process, consisting of a mixture of zinc and aluminium flakes bonded by an inorganic matrix. Supplemented by one or more layers of an organic or inorganic topcoat. The pre-treatment is carried out according to standard or customer specifications by blasting or phosphating. Very high corrosion protection values are achieved.<\/p>\n<p>The danger of infiltration, which exists with lacquers, is prevented by the sacrificial effect of the zinc. Zinc flake coatings achieve better results in the salt spray test than a typical galvanic zinc coating, which often only achieve 96h to 200h in this test (usually according to DIN EN ISO 9227). On the other hand, they have a very good corrosion protection of 240h to 1500h.<br \/>\nGood chemical resistance<br \/>\nIn addition to applications in the automotive industry, these coating systems are also found in wind turbines, the construction industry and automotive engineering.<\/p>\n<p>Advantages:<\/p>\n<ul>\n<li>Very high corrosion protection for demanding applications.<\/li>\n<li>adjustable friction coefficients due to topcoats with integrated lubricants Resistant to organic solvents<\/li>\n<li>temperature resistance up to 180\u00b0C<\/li>\n<li>reduced contact corrosion between aluminium and stainless steel<\/li>\n<li>no hydrogen embrittlement even with high-strength components<\/li>\n<li>REACH compliant surface, chromium(VI)-fre<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text][\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=&#8221;20&#8243; content_placement=&#8221;top&#8221; css=&#8221;.vc_custom_1637001044248{margin-bottom: -100px !important;padding-top: 10px !important;padding-right: 30px !important;padding-bottom: 10px !important;padding-left: 30px !important;background-color: #f2f2f2 !important;border-radius: 3px !important;}&#8221; el_class=&#8221;schatten&#8221;][vc_column width=&#8221;1\/5&#8243;][vc_icon icon_fontawesome=&#8221;far fa-envelope-open&#8221; color=&#8221;custom&#8221; size=&#8221;xl&#8221; align=&#8221;center&#8221; custom_color=&#8221;#9ea7d8&#8243; el_class=&#8221;icon&#8221;][\/vc_column][vc_column width=&#8221;2\/5&#8243;][vc_column_text el_class=&#8221;text&#8221;]<\/p>\n<h2><strong>Sch\u00f6nborner &#8211; Newsletter<\/strong><\/h2>\n<p>Immer gut informiert auf dem neuesten Stand: Erfahren Sie als erster von innovativen Produkten und exklusiven Aktionen. Melden Sie sich zu unserem Newsletter an![\/vc_column_text][\/vc_column][vc_column width=&#8221;2\/5&#8243;]\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f3198-o1\" lang=\"de-DE\" dir=\"ltr\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/en\/wp-json\/wp\/v2\/pages\/1231#wpcf7-f3198-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Kontaktformular\" novalidate=\"novalidate\" data-status=\"init\">\n<div style=\"display: none;\">\n<input type=\"hidden\" name=\"_wpcf7\" value=\"3198\" \/>\n<input type=\"hidden\" name=\"_wpcf7_version\" value=\"5.7.4\" \/>\n<input type=\"hidden\" name=\"_wpcf7_locale\" value=\"de_DE\" \/>\n<input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f3198-o1\" \/>\n<input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/>\n<input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/div>\n<p><label>E-Mail Adresse:<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" class=\"wpcf7-form-control wpcf7-text wpcf7-email wpcf7-validates-as-required wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span> <\/label>\n<\/p>\n<p><input class=\"wpcf7-form-control has-spinner wpcf7-submit\" id=\"button1\" type=\"submit\" value=\"Senden\" \/>\n<\/p><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n[\/vc_column][\/vc_row]<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text][\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/2&#8243;][vc_column_text] Our Dictionary [\/vc_column_text][vc_column_text] Abbreviations used and standards observed: EBG = extension spindles TPE = Thermoplastische Elastomere PE = Polyethylen[\/vc_column_text][vc_column_text]DVGW GW 336-1 (A) Technical rule &#8211; Code of practice&#8230;<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_themeisle_gutenberg_block_has_review":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Wiki - Sch\u00f6nborner Armaturen GmbH<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/schoenborner.com\/wiki\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Wiki - Sch\u00f6nborner Armaturen GmbH\" \/>\n<meta property=\"og:description\" content=\"[vc_row][vc_column][vc_column_text][\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/2&#8243;][vc_column_text] Our Dictionary [\/vc_column_text][vc_column_text] Abbreviations used and standards observed: EBG = extension spindles TPE = Thermoplastische Elastomere PE = Polyethylen[\/vc_column_text][vc_column_text]DVGW GW 336-1 (A) Technical rule &#8211; 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