VCLH
VCLH
This document provides technical specifications and guidelines for OLEOWEB's single counterbalance valves designed for closed center systems with a single flanged version. The document highlights the company's right to modify product specifications without prior notice.
Specifications
- Valve Types: VCLH380 and VCLH120
- Size: BSPP 3/8 and BSPP 1/2
- Spring Pressure Range: 30/210 bar (435/3045 PSI) and 60/350 bar (870/5075 PSI)
- Material: Steel with zinc-plating
- Pilot Ratio: 1:4.25 Standard / 1:8.75
- Max Flow: 40 l/min (10.6 USgpm) for VCLH380 and 60 l/min (15.9 USgpm) for VCLH120
- Max Pressure: 350 bar (5075 PSI)
- Approximate Weight: 1.23 kg (2.85 lbs) for VCLH380 and 1.62 kg (3.61 lbs) for VCLH120
Technical Data
- Hydraulic Oil: Mineral oil ISO 6743/4 (DIN 51524)
- Oil Viscosity: 15-250 mm2/s (15 to 250 cSt)
- Max Contamination Index: ISO 4406:1999 Class 19/17/14
- Oil Temperature Range: -20°C to +80°C (-4°F to +176°F)
- Environment Temperature Range: -20°C to +50°C (-4°F to +122°F)
- Filtration: Recommended filtration is 15 μm to protect the valve
Hydraulic Circuit
The document includes a hydraulic circuit diagram illustrating the flow paths and connections for the valves.
Ordering Code
The document provides an ordering code for easy reference and procurement of the valves.
Catalog excerpts
VALVOLE DI BILANCIAMENTO SINGOLE PER CENTRO CHIUSO - FLANGIATE SINGOLE SINGLE COUNTERBALANCE VALVES FOR CLOSED CENTER - SINGLE FLANGED VERSION 01 MOLLA (SPRING) 78 bar/al giro (1131 PSI/turn) VALVOLE DI BILANCIAMENTO SINGOLE PER CENTRO CHIUSO - FLANGIATE SINGOLE (SINGLE COUNTERBALANCE VALVES FOR CLOSED CENTER - SINGLE FLANGED VERSION) CODICE ORDINAZIONE ORDERING CODE SCHEMA IDRAULICO / HYDRAULIC CIRCUIT VALVES & SOLUTIONS Taratura standard (Std. setting) 160 bar/al giro (2320 PSI/turn) MOLLA (SPRING) 135 bar/al giro (1958 PSI/turn) Taratura standard (Std. setting) Q=5 l/min 350 bar (5075 PSI) 160 bar/al giro (2320 PSI/turn) (PILOT RATIO) Acciaio + zincatura (Steel + zinc-plating) DATI TECNICI / TECHNICAL DATA Olio idraulico - Mineral oil Temperatura ambiente - Environment temperature -20°C +50°C Temperatura dell'olio - Oil temperature Viscosità olio - Oil viscosity Classe di contaminazione max Max contamination index È indispensabile l’utilizzo di un filtro per proteggere la valvola (filtrazione consigliata 15 μm) It is necessary a filter use to protect the valve (advised filtration 15 μm) CARATTERISTICHE TECNICHE / TECHNICAL CHARACTERISTICS TIPO TYPE PORTATA MAX (l/min) MAX FLOW (USgpm) Aggiornamento - Update PESO APPROX (kg) APPROX WEIGHT (lbt) I dati presenti nel catalogo possono essere soggetti a variazioni, pertanto OLEOWEB si riserva il diritto di apporre modifiche in qualunque momento e senza alcun preavviso. OLEOWEB reserves the right to modify the products at any time and without notice: the technical data of the catalogue can
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