Applications
25 October 2016 / By: rmmcia
Hertz’s apparatus with brass floats by rmmcia
It is not the first time our products have unconventional applications. This is the case of David José Flores, educator and science fan, who asked us brass pieces to create a scientific device.rmmcia wants to thank him for his creation, we are delighted to see how a couple of brass floats which should have been dedicated to a W.C. tank have travelled to Belgrade as nothing but components of a Hertz’s apparatus (1888). Hertz’s apparatus...
14 April 2016 / By: rmmcia
PTFE tape for threads
PTFE material is a component very commonly used at plumbing, specially its tape format, for sealing thread accessories. We will see below some of its properties and advise.PTFE means "polytetrafluoroethylene" and it is a type of plastic polymer, where the Hydrogen atoms have been substituted by Fluor atoms. Its chemical formula is (C2F4)n.It was discovered by Roy J. Plunkett (1910-1994), chemist from the United States who spent all his labor life in the company DuPont, corporation that...
07 March 2016 / By: rmmcia
Sealing systems at plumbing
At plumbing installations one of the most important issues is the right fixing and water tightness of pipes, fittings and connection accessories. In this article we will go through some of the elements commonly used for assuring the water tightness when using thread accessories. With thread fittings, either thread ISO -228 (parallel) or thread ISO-7 (taper), it is always necessary a sealant in order to reach a correct water tightness of the system. The sealant element is applied on the...
05 February 2015 / By: rmmcia
Commitment with ecology and recycling
Commitment with ecology and recyclingWe at Rafael Marquez Moro y Cia, SA, are aware of the importance of environmental responsibility, both as manufacturers as well as consumers and users of industrial products.Since the second half of the twentieth century, during the space race and missions to the moon, we began to receive and enjoy wonderful pictures of Earth from space, powerful pictures that helped to develop more strongly than ever the awareness of finiteness of our planet and th...
10 March 2014 / By: rmmcia
Connection of mobile appliances to natural gas: strip-wound metallic flexible hose and accessories
Connection of mobile natural gas appliances to the gas reception installation through flexible hoses with security socket. Strip-wound flexible hose with security socket (BS 669-1 and EN 15069) and connection fittings.Have the consideration of mobile natural gas appliances all those devices that are movable, i.e., they are not fixed to a wall or to the floor and those driven by an engine, and in particular the following: • Movable cooking appliances: cookers, griddles, etc. • Mobile he...
18 November 2013 / By: rmmcia
Renewal of UNE 60715-1: stripwound metallic flexible hose assemblies
Renewal of UNE 60715-1: stripwound metallic flexible hose assemblies. Effective from October 29th, 2013. From October 29th 2013 is in force the renewal of the spanish rule UNE 60715-1. The standard, entitled "Flexible hoses for connection of gas receiving installations to gas-fired appliances" defines the general and working characteristics of the strip wound metallic flexible hoses with security plug and thread. These elastomeric packed metallic strip-wound flexible hose assembli...
