标准
美标
工作温度
高温
流动方向
双向
形态
自力式
品牌
其他
型号
compact unit 3/8 - 3/4 bsp
详细说明
the flame sparked by the enlightenment of civilization, bent to the will of man to become a fine and powerful blade of fire, has inscribed a long history of progress on bbbbl.
contessi sparked this flame more than eighty years ago and keeps it burning even more brightly with its technology designed to serve all types of industry.
a long history since 1926…

1926
the contessi brothers, aldo and giuseppe, importers of engineering goods from germany see the potential and future development prospects of oxy-acetylene equipment and devote all their energies to the promotion of new bbbbl cutting and welding bbbbbbs.
1935
their proven experience encourages them to manufacture a series of innovative equipment which quickly dominates the market in preference to the german equivalent.

1940
increase in demand necessitates the transfer to the new larger factory in sestri ponente.the production process is restructured and the first task is to ensure immediate availability of all spare parts for customers, the war makes it very difficult to get hold of rare bbbbls but it does not stop work.
1946
the post-war period finds contessi ready for recovery. their blowpipes have an immediate application in demolition work and the subaqua version help to free the ports from the floatsam and jetsom of war not only in italy but also in normandy.the miracle of feverish reconstruction sees contessi active in new markets. the success of its new equipment extends.

1966
the new generation comes into the business; fabio contessi after specialized studies abroad, brings his training and dynamism to the established and experienced management team. national and international organization appoint him to representative and management functions. these include associations (anasta and gas-eurosud), standards organizations (uni, cen), scientific bodies such as the italian and international institute of welding.
1976
contessi celebrates its half century of business, praised by thousands of customers inc** the best engineers in the field. radical changes with the introduction of electronics in production processes necessitate massive investment in factories as well as equipment. bbbex and computers become basic tools of company organization to resolve ever-changing problems.

2003
the third generation, in the person of filippo contessi, enter in the company. with his enthusiasm and dynamism the company could look forward to the future, following the changing needs of the market.contessi’s turnover, is more than ever lean forward export. customers of more than 40 countries of all over the world are particularly satisfied of our products, service and assistance.
2011
a long industrial history. with over 85 years of experience, contessi strongly push on evolution, updating its production to the up to date normative an the uni iso 9001:2008 on quality system process.
2013
investments for new machinery and process upgrades to further enhance the safety in the production units and of products themselves, brought an increase in production capacity and the reduction of processing times of orders.
2014
contessi confirms its attention to environmental issues through new energy efficiency measures in its production unit in genova, that increase the level of sustainability of its products, always made from ** recyclable materials: today also the energy required to produce them comes in large part from renewable sources by the adoption of both photovoltaic and thermal solar panels.
compact unit 3/8" - 3/4" bsp
for ladle and tundish discharge opening operations.
same charachteristics as the lance holder but with the advantage of combining the safety device and the shut off valve in one compact unit.

lance diameter (external) diametro lancia (esterno)			coupling raccordo	dimensions dimensioni		code codice
nominal ∅ ∅nominale		range of tolerance * intervallo di tolleranza *	en560	length lunghezza	weight peso
bsp	gas	mm	bsp/gas	mm	g
3/8"	17,2	16 ÷ 17,3	3/4"	350	2300	0645-270691
1/2"	21,3	20 ÷ 21,5	3/4"	350	2300	0645-270721
3/4"	26,9	26 ÷ 27,5	1"	365	2700	0645-270771

*fits all types of tube conbbbbing to en10255
*copre tutti i tipi di tubo fabbricati secondo lo standard en10255before ordering, ensure that the external diameter of the lances in use are included within the range of tolerance indicated.
on request, can be supplied with inlet coupling with thread different from table.
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