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HYDAC offers a wide range of direct acting and pilot operated Relief and Reducing Valves. In general, the direct acting valves are faster in response while pilot operated valves have flatter pressure/flow characteristics.

HYDAC Pressure Reducing Valves are direct acting and pilot operated spool types with optional pressure adjustment ranges up to 5000 psi (350 bar). They have been designed to maintain a constant secondary regulated pressure regardless of pressure variation in the primary system and have an additional relieving feature for the secondary circuit protection. Models are available for flow rates up to 26 gpm (100 l/min).

A screw-in cartridge, direct acting, poppet type relief valve intended for use as pressure limiting device in hydraulic circuits requiring low internal leakage and fast response.

Specifications

Type

 N/A Screw-In Cartridge Pressure Relief Valve

Style

 N/A Pressure Relief, Direct Acting, Poppet Type

Model Code Description

 N/A DB06C-01-C-N-300V150

Valve Model

 N/A DB06C-01

Body

 N/A Cartridge only

Seals

 N/A Buna-N

Adjustment Range

 N/A 0 to 207 bar

Adjustment Options

 N/A Allen Head (HEX 1/8 in.)

Optional Setting

 N/A 150

Operating Pressure

 N/A 350 bar

Maximum Flow Rate

 N/A 19 L/min

Internal Leakage

 N/A 5 drops/min. Maximum to 75% of Nominal Setting

Nominal Reseat Pressure

 N/A 80% of Crack Pressure

Minimum Fluid Operating Temperature

 N/A -29 ºC-20 ºF

Maximum Fluid Operating Temperature

 N/A 120 ºC248 ºF

Fluid Compatibility

 N/A Mineral-Based or Synthetics with Lubricating Properties

Viscosity

 N/A 7.4 to 420 cSt50 to 2000 SUS

Filtration

 N/A 21/19/16 or Cleaner (per ISO 4406)

Installation

 N/A No Orientation Restrictions

Cavity

 N/A FC06-2

Cavity Tools (Rougher)

 N/A 02582046

Cavity Tools (Finisher)

 N/A 02582047

Cartridge Weight

 N/A 68 g

Cartridge Material

 N/A Steel

Work Surface

 N/A Hardened

Exposed Surface

 N/A Zinc Plated

O-Ring Material

 N/A Buna-N or Viton®

Back-Up Ring Material

 N/A Solid Thermoplastic Polyester

Seal Kits

 N/A FS062-N, P/N: 02610184

Pressure Compensation

 N/A Pressure Relief

Action Type

 N/A Direct

Valve Operator

 N/A Allen Head, Pilot

Division

 N/A 15

BUn

 N/A EA

Operation

N/A The DB06C blocks flow from 1 to 2 until the predetermined pressure setting is reached at port 1 to lift the spring opposed poppet from its seat, allowing flow from port 1 to port 2. Pressure at port 2 is directly additive to valve pressure setting. Flow from port 2 to port 1 is checked.

Features

N/A

  • Screens to protect pilot orifice from contamination and ensure reliable operation
  • Variety of adjustment mechanism options
  • Spring ranges up to 5000 psi (350 bar)
  • Positive stop prevents spring from over adjustment
  • Adjustment screw cannot be backed out of the valve
  • Adjustable under full pressure
  • Fast response with excellent stability
  • All external surfaces zinc-plated
  • Hardened poppet to ensure minimal wear and extend service life