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DC Check-Q-Meter Valve Rexroth Interchangeable

Check-Q-Meter Type DC 20P

MANUFACTURER Genuine Huade Hydraulic
STANDARDS ISO 4401 / DIN 24340
AVAILABILITY Factory Direct Stock
Check-Q-Meter Type DC 20P
TECHNICAL REPLACEMENT NOTICE

This Huade® directional control valve serves as a 100% direct drop-in replacement for Bosch Rexroth CHECK-Q-METER-TYPE-DC-20P equivalents. Dimensions, mounting interfaces, and technical parameters are identical. Designed for cost reduction in industrial and mobile hydraulic systems.

• Product features: Direct operated poppet valve design, subplate and pipe mounting options, 5 adjustable pressure ranges with multiple adjustment elements
• Specifications: Operating pressure up to 31.5 MPa, flow capacity 45-330 L/min, cracking pressure up to 0.05 MPa, size range 6-30
• Applications: Hydraulic system safety control, preventing cylinder/motor runaway from negative loads, anti-burst valve protection

Request B2B Quote

Submit your target quantity and technical questions. Our hydraulic engineering team will provide a factory-direct quote and lead time estimate within 24 hours.

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💬 WhatsApp: +86-18217786775
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100% Genuine Huade Direct factory authorized supply
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ISO 4401 Mounting ISO 4401 / Rexroth interchangeable
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Secure Packaging Sealed rust-proof global shipping

Technical Data Sheet

  • Product Overview
  • Features & Applications
  • Technical Parameters

Product Overview

All DC Check-Q-Meter valves are guaranteed for one year. During the guarantee period, it is free to repair it. The factory has introduced more than 750 most advanced production equipment to ensure product quality. Huad® Check- Q-Meter valves have come up to the international standards. The quality is comparable to first-tier brands such as Rexroth. The factory has passed the three major national system certifications of quality, environmental, and occupational health and safety management. Huade Hydraulic is a leader in China's hydraulic industry and cooperates with many large state-owned enterprises in China.

Mineral oil (for NBR seal) or phosphate ester(for FPM seal)

Maximum permissible degree of contamination of the fluid is to NAS 1638, class 9.  β10≥75

Key Features

  • For subplate mounting
  • For pipe connections
  • 5 pressure ranges
  • 3 adjustment elements:
  • Rotary knob
  • Sleeve with hexagon and protective cap
  • Lockable rotary knob with scale

Industrial Applications

  • DC Check-Q-meters can be used in hydraulic systems to prevent negative loads causing hydraulic cylinders or motors ‘running away’. They may also act as anti-burst valves.
  • Check-Q-Meter valves Type DC 20P consist of the housing(1) direct operated poppet valve(2), and check valve(3).
  • Symbols

Technical Parameters

Mechanical ratings and operating limits for the Check-Q-Meter Type DC 20P:

Parameter / Dimension Name Value / Rating Specification
Pressure fluid - Mineral oil (for NBR seal) or phosphate ester(for FPM seal) Mineral oil (for NBR seal) or phosphate ester(for FPM seal)
Pressure fluid -temperature range(℃) - -30 to +80 -30 to +80
Viscosity range (mm ²/s) - 10~800 10~800
Size - 6 - 10 - 15 - 20 - 25 30
Operating pressure: ports A and B (MPa) - up to 31.5 up to 31.5
Cracking pressure (MPa) - up to 0.05 up to 0.05
Flow, max (L/min) - 45 - 110 - 230 - 330 330
Degree of fluid contamination (㎛) - Maximum permissible degree of contamination of the fluid is to NAS 1638, class 9.  β10≥75 Maximum permissible degree of contamination of the fluid is to NAS 1638, class 9.  β10≥75

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