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HGV

HGV

Product catalog summary
Technical Specifications:
Pressure capacity is up to 1379 bar (20,000 PSI) with test pressures at multiples of 1.43, 1.3, or 1.5 times the working pressure. Warranty details are available on a dedicated page.

Product Description:
The low maintenance flow-through suction stabilizers, also known as pulsation dampeners, are typically installed on the suction side of API 674 or API 675 pumps. They are often paired with spherical resonators from the BHP series on the discharge side. The HGV series offers advantages over standard bladder or diaphragm dampeners, including complete customization, operational reliability even in case of bladder/bellow failure, and effective stabilization of flow and suction pressures in challenging conditions.

Materials and Customization:
Construction materials are customizable based on the fluid being pumped and user specifications. Standard material is stainless steel AISI 316 L, but options include DSS, SDSS, Alloy-20, Hastelloy-C, and painted carbon steel for marine or corrosive environments. Elastomers available include NBR, HNBR, EPDM, FPM, HYTREL, Butyl, Polyurethane, and PTFE. Liquid volumes can be customized up to 5,000 liters.

Connections and Customization:
Process connections are customizable, with standard configurations at 180° but options for 90° angles. Vent and drain connections can include blind flanges with necessary hardware. Mechanical life is inversely proportional to the compression ratio, and nitrogen pre-charge should be 60-80% of working pressure.

Compliance and Standards:
The product can be made to comply with various international standards and certifications, including CE, ATEX, ASME, CU-TR, U-Stamp, National Board, EN, PD5500, and others, depending on regional requirements.
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Catalog excerpts

HGV-1

POLMONI SMORZATORI IN LINEA A SACCA / SOFFIETTO PULSATION DAMPENERS IN LINE BLADDER / BELLOW TYPE Caratteristiche tecniche: Pressione: fino a 1379 bar (20.000 PSI) Garanzia: vedi pagina dedicata Smorzatori stabilizzatori in linea a bassa manutenzione o meglio chiamati “low maintenance flow-through suction stabilizer”, sono tipicamente installati alla bocca di aspirazione delle pompe API 674 o API 675 e solitamente accoppiati con i risuonatori sferici serie BHP installati alla bocca di mandata. La serie HGV, e utilizzata al posto degli smorzatori normali a sacca o membrana con i seguenti vantaggi: 1. Una personalizzazione completa, a seconda della richiesta dal cliente o specifiche di progetto. 2. L’eventuale rottura della sacca / soffietto, non compromette il funzionamento in quanto il volume utile di fluido, ne garantisce la corretta funzionalita. 3. E’ uno smorzatore utile a stabilizzare il flusso e le pressioni in aspirazione alle pompe, dove sono presenti elevate perdite di carico, tensioni di vapore alte e NPSHa molto bassi. I materiali di costruzione possono essere personalizzabili e dipendono dal fluido pompato e dalle specifiche dell’utilizzatore finale; lo standard di FOX e l’acciaio inossidabile AISI 316 L ma possono essere costruiti anche in: DSS (Duplex Stainless Steel), SDSS (Super Duplex Stainless Steel), Alloy-20, Hastelloy-C e acciaio al carbonio verniciato, secondo la procedura standard FOX adatto ad utilizzo in ambienti marini, corrosivi o verniciato secondo le specifiche dell’utilizzatore. Gli elastomeri, sono disponibili in NBR, HNBR, EPDM, FPM, HYTREL, Butile, Poliuretano, PTFE. I volumi di liquido, sono disponibili fino a 5.000 litri; FOX suggerisce sempre di condividere tutte le informazioni necessarie, in modo tale da poter selezionare il volume piu adatto per la vostra pompa. Le connessioni di processo (flange di ingresso & uscita) sono personalizzate secondo la richiesta del cliente, come anche la posizione delle stesse. Lo standard, e di 180° ma si puo prevedere un angolo di 90° per la flangia di uscita. Lo stesso livello di personalizzazione, e anche sugli sfiati e sui drenaggi, da nostro standard comprensivi di controflangia cieca. Possiamo inoltre includere eventuali controflange cieche con relativa tiranteria, bulloni e guarnizioni spirometalliche, on base alla flangia di processo prevista (RF o RTJ). Vita meccanica: il numero di cicli e inversamente proporzionale all’aumento del rapporto di compressione. Per utilizzo come smorzatore, la pressione di precarica deve rientrare tra il 60% e il 80% della pressione di lavoro in considerazione del tipo di pompa e del valore della temperatura. Test Pressure (PT): PS x 1,43 / 1,3 / 1,5 Warranty: see dedicated page Low maintenance dampeners or better called “low maintenance flow-through suction stabilizer” are typically installed on the suction sides of the API 674 or API 675 and usually combined with spherical resonator BHP series installed in the discharge nozzles. The HGV series is used, instead the standard bladder or diaphragm pulsation dampeners, with clear advantages: 1. Complete customization, as per customers requests and projects specification. 2. The accidental faliure of the bladder / bellow does not compromise the operation since the available liquid volume ensures its proper functionality. 3. It is a dampener useful to stabilize the flow and suction pressures on pumps, where high load losses, high vapor pressure and low NPSHa are present. Construction material can be customized depending on the pumped fluid and end-user specification; as a standard, FOX dampeners are in stainless steel AISI 316 L but materials like: DSS (Duplex Stainless Steel), SDSS (Super Duplex Stainless Steel), Alloy-20, Hastelloy-C and Carbon Steel can be foreseen and painted, as per FOX painting procedure for marine and corrosive environments or as per end-user specification. The elastomer material are available in NBR, HNBR, EPDM, FPM, HYTREL, Butile, Polyurethane, PTFE. Volumes can be customized up to 5.000 liters; FOX is always suggesting to share all the necessary operating conditions, in order to be in a position to select the most appropriate volume for your pump. Process connections (in & out flanges) are customized as per the requirement of the customer, as well as their position. As a standard a 180° is considered but we can foresee a 90° angle on the outer flange. The same level of customization is foreseen for the vent & drain connections, as a standard without counter-flanges. We can consider blind flanges with all the relevant bolts, nuts and spiral wound gaskets or metallic ring joint, depending on the flange type considered (RF or RTJ). Mechanical life: the number of cycles is inversely proportional to the increase of the compression ratio. For pulsation dampener applications, the nitrogen value must be from 60% to 80% of the working pressure also in relation with the type of pump and the working temperature ❖ ASME VIII Div.1 or Div.2 Latest Edition SELO (Cina) CU-TR 032/2013 (Russia) DOSH (Malaysia) ❖ ASME VIII Div.1 or Div.2 Latest Edition SELO (Cina) CU-TR 032/2013 (Russia) DOSH (Malaysia) 18 FOX s.r.l. - Via Romagna 6, 20090 OPERA-MI- ITALY- Tel. +39.02.57600033 +39.02.57606543 -Fax +39.02.57600176 e-mail [email protected] www.fox.it Ci riserviamo il diritto di apportare qualsiasi modifica costruttiva senza darne preavviso, non tutte le combinazioni sono disponibili a magazzino, lotto minimo richiesto per combinazioni non disponibili. We reserve us the right to make modifications to the construction without prior notice, not all the combinations are available on stock, minimum lot quantity r

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