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Check Valve Rexroth Interchangeable

Check Valve Sandwich Plate Z2S 22

MANUFACTURER Genuine Huade Hydraulic
STANDARDS ISO 4401 / DIN 24340
AVAILABILITY Factory Direct Stock
Check Valve Sandwich Plate Z2S 22
Check Valve Sandwich Plate Z2S 22 - Image 2
Check Valve Sandwich Plate Z2S 22 - Image 3
TECHNICAL REPLACEMENT NOTICE

This Huade® directional control valve serves as a 100% direct drop-in replacement for Bosch Rexroth CHECK-VALVE-SANDWICH-PLATE-Z2S-22 equivalents. Dimensions, mounting interfaces, and technical parameters are identical. Designed for cost reduction in industrial and mobile hydraulic systems.

• Product features: Hydraulic pilot operated, sandwich plate design, leak-free closure performance
• Specifications: Z2S 22 series, max flow 60-450 L/min, max pressure 31.5 MPa
• Applications: Vertical stacking assemblies, industrial hydraulic systems, military applications

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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

As China's leading manufacturer of hydraulic transmission and control technology, Huade has two long-term cooperation experiences with Rexroth. Huade® check valves Z2S 22 are competitive with well-know products with good quality and lower price. The factory has passed ISO9001, ISO14001, and OH SAS18001. Huade® check valves are more advanced in technology and more durable than the similar products in this line. It is a well-know national brand in China. Huade's hydraulic valves are widely used in the military industry and other fields due to the superior performance.

Max.flow                       (L/min)

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

Pressure fluid temperature range（℃）

Key Features

  • For use in vertical stacking assemblies
  • For the leak free closure of one or two service ports
  • Porting pattern to Din 24 340 form A, ISO4401 and CETOP - RP 121H

Industrial Applications

  • The check Valve Z2S 22 is used for vertical stacking installation. It can seal one or two working oil ports without leakage as needed.
  • Hydraulic pilot operated check valves Z2S 22 are new series with sandwich plate design. They are used for the leak-free closure of one or two service ports, even for long periods of time. Free flow occurs from A1 to A2 or B1 to B2. Flow in A1 B1 the opposite direction is blocked. When fluid flows from A1 to A2, the spool is pressured and is pushed to the right, thereby opening the ball poppet valve   which then opens the poppet. In order to ensure correct closing of the valve, the A2 B2 service ports of the directional valve must be connected to tank in the neutral position.
  • Symbol of Z2S
  • Typical circuit example of Z2S

Technical Parameters

Mechanical ratings and operating limits for the Check Valve Sandwich Plate Z2S 22:

Parameter / Dimension Name Value / Rating Specification
Size - 6 - 10 - 16 22
Max.flow                       (L/min) - to 60 - to 120 - to 300 to 450
Max.operating pressure (MPa) - to 31.5 to 31.5
Cracking pressure      (MPa) - See characteristic curves See characteristic curves
Directions - See symbols See symbols
Area ratio - A1/A2=1:3 - A1/A2=1:11.45 - A1/A2=1:11.8 A1/A2=1:13.6
Area ratio - A1/A2=1:3 - A3/A2=1:2.86 - A3/A2=1:2.8 A3/A2=1:2.8
Pressure fluid - Mineral oils(for NBR seal) or phosphate ester(for FPM seal) Mineral oils(for NBR seal) or phosphate ester(for FPM seal)
Pressure fluid temperature range（℃） - -30～+80 -30～+80
Viscosity range    (mm2/s) - 2.8 to 500 2.8 to 500
Weight           (Kg) - approx.0.8 - approx.3 - approx.6.5 approx.12

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