Flexible gas pipe or water extensible stainless steel 1/2 "m 3/4" f 260/520 mm unisuper, according to UNI 11353 DM 174. White with three identification rings use in boiler / cucinatubo steel. extensible flexible connections for the gas supply / water to household appliances such as boilers. extensible flexible fitting, suitable for gas in accordance with the UNI 11353, suitable for water according to the DM-toxic fire retardant 174. External protection, heat-shrinkable polyolefin sheath, approved for connections to the gas mains / water boilers, water heaters, etc.. Max capacity 35kv built according to standard (one cig 11353). Technical Features (same for gas pipe and water pipe): Inner Tube: made of stainless steel AISI 316L to solubilised parallel waves, din 15, 0.21 mm thickness. Male Tale: made of stainless steel AISI 303, thread according uni 7/1 sealed on the thread. Canotto nut: made of stainless steel AISI 303, with a torsion milled flat sealing seat. External protection: sheath made of fireproof composite material (only for yellow gas pipe and white water pipe) .Guarnizioni: according to UNI EN swivel 549Dado rubber: made of stainless steel according to the UNI EN 10088/2 or brass according to UNI EN 12164 , second thread 228/1 uni not sealed on the thread. Warnings All appliances must operate grounded (46/90) Avoid installation in the environment with atmosphere of chlorinated substances Avoid twisting and impact during transportation and installation. Extend the hose by pulling it from both end fittings do not extend beyond the measure indicated on the fittings. Carefully follow the instructions for assembly retroindicate.Per cleaning the pipe, only use soapy water then rinse with tap water. Changing the seals whenever the tube were to be remounted. Always Make use of authorized installers. It is prohibited to the connection of several pipes between them. Forfeiture of the guarantee: if they are not complied with the above instructions, the guarantee will fall auto-mind. Instructions for mounting the gas pipe (the same applies to water) Begin the work by closing the main valve of the gas shut-off (or water). Extend the hose up to the extent necessary, limiting the maximum length engraved on the fittings. For female / female type (fg.fg) first connect the hose to the air, by inserting the seal into its seat and manually tighten in a clockwise direction one of the dice without tightening. Then connect the other end of the tube to the shut-off valve using the same procedure. For male / female type (mf.fg.) first connect the male connector to the faucet, by applying previously on the thread a few turns of teflon and manually screwing in the nut clockwise without tightening. Place the appliance definitively, so that there are kinks or twists on the tube with a radius less than 60 mm. Tighten definitively both end fittings using wrench 22 mm for the male fitting and key fissa.Aprire the gas shut-off valve (or water) and check the tightness of connections through the use of soapy water to be applied on the fittings themselves. The possible formation of bubbles shows the gas leak. In this case, check the tightening of the fittings and subsequently proceed to a further control. Removal Proceed in reverse order by closing the first valve. Unscrew the swivel nut first and then the male fitting. Technical Notes: The flexible gas pipe, in accordance with UN1 11353 (water DM 174), continuous wall in stainless steel AISI 316l thickness of not less than mm. 0.21 is suitable for domestic use of gas distribution (or water), according to UNI EN 437, besides the applicable legal regulations on the subject. No maintenance required. In conditions of use, pay attention to the minimum radius of curvature, which must never be lower than 1.5 times the outer diameter.
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