The turning place within the activity passed off during the many years ’60s with the start of the manufacturing, at the outset of valve parts as subcontractor, then of finish stainless and carbon metal ball valves with NFG trademark (Negri Fratelli Grignasco), in 3 pieces and enbloc versions.
Alfa Laval's hygienic products combines higher functionality with Mild handling to maintain delicate components.
Il prodotto è adatto a tutte le tubazioni aperte o chiuse a pieno regime e alla dotazione di attrezzature on-off. Apertura e chiusura delle valvole for each stelo attraverso l'asse del sedile. Utilizzato comunemente nell'industria del petrolio e del fuel.
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The a few-piece valve style and design with several relocating elements enables easy accessibility to all valve parts, generating upkeep quick and straightforward. Resilient PTFE valve seats aid prolong company intervals. No Exclusive equipment necessary for routine maintenance.
Grazie alla precisione della nostra progettazione e della nostra produzione, il nostro prodotto finito garantisce elevati normal di sicurezza.
Diverse treatment di prova vengono utilizzate for every confermare la resistenza dell’intera valvola a sfera. Nonostante il loro style robusto, le nostre valvole rappresentano una soluzione economica, soprattutto nel lungo periodo
La valvola a sfera Fully Welded sviluppata e fabbricata da VALVINOX ha una struttura completamente saldata, una struttura a sfera a perno fisso, una struttura a sede rotante, una tenuta di emergenza a grasso per lo stelo della valvola e la sede della valvola secondaria, uno scarico interno automatico for each la pressione nella cavità della valvola e una cavità centrale a doppia partizione, caratteristiche di riduzione della pressione.
SBV with either guide deal with or automated Procedure for programs that require higher running pressures up to 16 bar and temperatures as many as 150°C, and the place using pigging techniques is needed.
Standard queries asked about items Does this solution help customization? How can you ship the items? What is the guarantee with the products?
Il corpo completamente saldato della valvola a sfera VALVINOX è forgiato con materiali di get more info alta qualità, la sfera è montata lateralmente e la flangia centrale e il collo sono completamente saldati.
La valvola di bloccaggio è una valvola automatica, il cui ruolo è quello di impedire il supporto medio, la pompa inversa e il motore di azionamento e anche lo scarico del mezzo contenitore.
NEGRI FRATELLI s.r.l. Launched in 1920 like a mechanical market, although dedicated to a totally distinct kind of production (mainly machines for that home furniture business), NEGRI FRATELLI started the manufacture of stainless and carbon metal ball valves with its trademark"NFG" within the early '60s. The organization is located inside the north-west of Italy (Grignasco, Novara), the center of a region historically focused on the mechanical sector and boasting a specialization in valves and taps. In the middle of the several years, NEGRI FRATELLI has obtained a considerable expertise in quite possibly the most different fields (chemical and petrochemical field, hydraulics, industrial crops) and has then specialised from the gas distribution together with the district heating subject. Aside from the traditional three-parts, enbloc and wafer valve types, the valve array is at this time such as the fully welded ball valve, launched from the early ‘80s further to your fuel marketplace growth in Italy, and created for the above mentioned programs. The road is offering an array of equipment, which include stem extensions for underground service, created-in vents, equipment operators, PE finishes, and many others. The organization NEGRI FRATELLI avails of very skilled staff and of continuously updated manufacturing crops, according to the continuous rise with the product or service's technological articles. A Exclusive significance is hooked up to excellent, at Each and every stage with the manufacturing approach. The business good quality technique was rigorously carried out in compliance Using the conventional UNI EN ISO 9001:2000 and certified by DNV - Det Norske Veritas, the exact same entire body assessing and certifying also NFG ball valves' compliance for the ninety seven/23/CE Directive (PED), though API (American Petroleum Institute) examined and Qualified their compliance on the API 6D common. Also, the fully welded ball valve is Licensed and/or authorized by end customers and also other nationwide along with Worldwide bodies. Flexibility, dynamism and innovation are definitely the unique options of the relatives-led company, achieving presently the 3rd era. Due to these characteristics, the company has developed further more and has fast consolidated from the yrs, making a reputation for itself from the countrywide as well as the Global industry. Nata nel 1920 appear azienda meccanica ma con una tipologia produttiva completamente diversa da quella attuale (principalmente attrezzature for each I’industria del mobile), la NEGRI FRATELLI develop valvole a sfera in acciaio inossidabile e al carbonio con il marchio "NFG" fin dagli anni '60.