Ultrahigh-purity (UHP) High-flow Diaphragm Valve – 870 Series | Product Series

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Ultrahigh-purity (UHP) High-flow Diaphragm Valve – 870 Series

Ultrahigh-purity (UHP) High-flow Diaphragm Valve – 870 Series

Puntos de venta

The 870 Series Diaphragm Valve offers long life and exceptional leak integrity. It can be manually or air-operated and is ideally suited for use in high-flow, high-purity applications (maximum flow capacity = 0.70 Cv).

Especificaciones técnicas

  • Material del cuerpo: Vericlean 316L Stainless Steel
  • Materiales del diafragma: Elgiloy
  • Material del asiento: PCTFE
  • Material del tapón: 17-4 PH Stainless Steel
  • Material de la tuerca: 17-4 PH Stainless Steel
  • Material del alojamiento del accionador: Anodized Aluminum
  • Caudal: Cv: 0.7
  • Presión de rotura: 750 psig (52 barg)
  • Presión de prueba: 375 psig (26 barg)
  • Tasa de fuga interna: ≤ 1 X 10-9 scc/sec He
  • Tasa de fuga externa: ≤ 2 X 10-10 scc/sec He
  • Acabado superficial: 10 micro inch
  • Volumen: 0.59 cm3
  • Peso: 1.44 lb, 0.65 kg
  • Rango de presión de entrada máxima: Manual 250 psig (17.22 barg)
    AOP 150 psig (10 barg)
  • Rango de presión de entrada mínima: Vacuum
  • Presión de accionamiento: 70-125 psig
  • Tamaño de la conexión de entrada de aire: 1/8” NPT
  • Temperatura máxima de funcionamiento: 66 °C, 150 °F
  • Temperatura mínima de funcionamiento: -40 °C, -40 °F

Descripción completa del producto

The Parker 870 provides high flow, .70 Cv, and superior leak integrity making it ideal for use in high-purity applications, including semiconductor wafer, solar panel and LCD screen manufacturing processes.  

The 870 Series features a full internal and external electropolish resulting in a 10 Ra surface finish on all wetted surfaces. This, coupled with its internally springless and threadless design, results in reduced gas entrapment potential and minimal particle generation. The valve body is constructed from Veriflo’s low-sulfur, high-purity Vericlean™ 316L Stainless Steel, affording it long life and higher resistance to corrosion. The replaceable valve seats are manufactured from PCTFE resulting in exceptional shut-off performance, and lower cost of ownership.

The 870 series diaphragm valve offers high flow, .70 Cv, in a compact package, which makes it suitable for use in situations where workable space is limited, such as gas boxes, gas cabinets, and valve manifold boxes (VMBs). It can be manually or air-operated with a maximum operating pressure of 250 and 150 psig respectively.

All 870 Series valves are inboard and across-seat Helium leak tested using a mass spectrometer to ensure performance and reliability in applications where leak integrity is critical.

Markets:
• Semiconductor
• Analytical Laboratory
• Pharmaceutical
• BioPharm
• Aerospace
• Industrial
• Solar

Features/Benefits:
• Standard surface finish of 10 micro inch Ra
• Flow capacity: 0.70 Cv
• High cycle life
• Internally springless and threadless design minimizes particle generation and gas entrapment
• Internal leak rate: ≤1 x 10-9 scc/sec He
• External leak rate: ≤2 x 10-10 scc/sec He
• AOP actuation pressure: 70 - 125 psig
• Internal volume 0.59 cc (including face seal fittings)
• Maximum Operating Pressure: 250 psig (manual), 150 psig (AOP)

Applications:
• Corrosive and specialty gases
• Gas boxes
• Gas cabinets
• Valve manifold boxes (VMB)

VeriClean™ is a trademark of Parker Hannifin Corporation

Documentos relacionados

Literature and Reference Materials
Veriflo CAD File Locator Guide
Veriflo Product Selection & Operation Safety Guide
Veriflo Diaphragm Valves - Installation, Operation and Recycling Guide
Diaphragm Valves Selection Guide
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