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DC Check-Q-Meter Valve Rexroth Interchangeable

Check-Q-Meter Type DC 30P

MANUFACTURER Genuine Huade Hydraulic
STANDARDS ISO 4401 / DIN 24340
AVAILABILITY Factory Direct Stock
Check-Q-Meter Type DC 30P
TECHNICAL REPLACEMENT NOTICE

This Huade® directional control valve serves as a 100% direct drop-in replacement for Bosch Rexroth CHECK-Q-METER-TYPE-DC-30P equivalents. Dimensions, mounting interfaces, and technical parameters are identical. Designed for cost reduction in industrial and mobile hydraulic systems.

• Product features: Dual-function valve with integrated check valve, subplate/pipe mounting options, adjustable cracking pressure with 3 control elements
• Specifications: Size 6-30, operating pressure up to 31.5 MPa, flow capacity 45-330 L/min, cracking pressure up to 0.05 MPa
• Applications: Hydraulic cylinder and motor overrun prevention, anti-burst valve protection in industrial hydraulic systems

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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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

DC Check-Q-Meter valves are competitive with well-know brands with good quality and lower price. Huade Hydraulic is a large domestic hydraulic manufacturer. In order to provide customers with high-quality and low-cost products, Huade Hydraulic rationally utilizes domestic resources to control costs. At the same time, in order to ensure product quality, it introduces Rexroth's cutting-edge technology and advanced production equipment from all over the world. Check-Q-Meter DC valves comply with the international standards. All branches of the factory have passed ISO9001, ISO14001 and OH SAS18001. Due to these unique selling points, Huade® has been recognized by the market.

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

  • The main function of DC Check-Q-meters is to be used in hydraulic systems to prevent negative loads causing hydraulic cylinders or motors ‘running away’. They may also act as anti-burst valves.
  • Type DC 30P consist basically 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 30P:

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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