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Unit of Measure

Specifications

Model Code Description

N/A RFLD 331 DAL XX A 1.0 /-V

Flow

N/A 87 gpm330 L/min

Operating Pressure [Max]

N/A 40 bar580 psi

Bypass Valve

N/A B3

Seal Material

N/A Fluorocarbon elastomer (FKM)

Element Material

N/A Housing Only

Type

N/A Duplex Return Filter for Lube Oil Applications

Weight

N/A 33.02 kg72.80 lb

Mounting Type

N/A Inline Duplex

Head Material

N/A Ductile Iron

Bypass Valve Cracking Pressure

N/A 3 bar43 psid

End Type

N/A Flanged Ports

End Size

N/A SAE DN 38

Dimensions

Width

N/A 11.5 in293 mm

Height

N/A 12.72 in323 mm

Features

N/A

  • Housing design reduces stress concentrations and prevents fatigue failure.
  • SAE DN flange porting (sizes 111-1301) to allow easy installation with maximum flexibility.
  • O-Ring seals are used to provide positive, reliable sealing. Choice of O-Ring materials (nitrile rubber, fluorocarbon elastomer, and ethylene propylene rubber) provides compatibility with petroleum oils, synthetic fluids, water-glycols, oil/water emulsions, and high water based fluids.
  • Removable lid requires minimal clearance to remove the element for replacement and contaminated fluid cannot be washed downstream when element is serviced.
  • HYDAC Differential Pressure Indicators have no external dynamic seal. This results in a high system reliability due to magnetic actuation, thus eliminating a potential leak point.
  • A bypass valve located in the element provides positive sealing during normal operation and fast opening during cold starts and flow surges. (Optional non-bypass available)
  • For special finishes and coatings - consult HYDAC for minimum quantities, availability and pricing.
  • Fatigue pressure ratings equal maximum allowable working pressure rating.