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SUN HYDRAULICS
CODBLZV


$73.37 USD
  • SUN HYDRAULICS
  • Material:CODBLZV
  • Model:CODB-LZV
  • Summary:Cartridge

Quantity in stock: 0

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***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Sun Hydraulics directly.***
The Sun Hydraulics CODBLZV (CODBLZV) is a high-performance, spring-biased closed, pilot-to-close check cartridge valve designed for hydraulic applications that require reliable control of fluid flow. This valve facilitates flow from port 1 to port 2 while effectively blocking reverse flow from port 2 to port 1 under any condition, ensuring operational consistency and safety. The valve operates with a nominal pilot ratio of 1.8:1, meaning it can close against higher pressures at port 1 when appropriately pressurized at the pilot port, making it ideal for applications involving regeneration circuits. The CODBLZV is engineered to maintain closure with equal pressures at all ports and incorporates Sun\u2019s innovative floating style construction. This design minimizes the risk of internal parts binding which could be caused by excessive installation torque or variations in cavity/cartridge machining, enhancing the valve's durability and performance reliability. It can handle a maximum operating pressure of up to 5000 psi (350 bar) and has a capacity of up to 20 gpm (80 L/min), suitable for various high-pressure applications. Additional features include a maximum valve leakage rate of only one drop per minute at 110 SUS (24 cSt), which underscores its efficiency in maintaining system integrity. The valve requires an installation torque between 30 - 35 lbf ft (41 - 47 Nm) and has a compact model weight of .30 lb (0.15 kg). For maintenance or repairs, it utilizes a Viton seal kit specified by the cartridge number provided by Sun Hydraulics. This combination of features makes the CODBLZV an essential component for systems requiring precise hydraulic flow control with high reliability.

This valve is a spring biased closed, pilot-to-close check cartridge that has a 1.8:1 pilot ratio. The valve allows flow from port 1 to port 2 and blocks reverse flow. Pressure at the pilot port opposes pressure at port 1 at a ratio of 1.8:1. This valve is most often used in regeneration circuits.

  • Nominal pilot ratio is 1.8:1. This means that a pressure of 1000 psi (70 bar) at the pilot port will close a valve against a pressure of 1800 psi (125 bar) at port 1. Any decay or loss of pilot pressure could allow the valve to open, even if it is a momentary decay or loss.
  • Pressure at the port 2 area directly opposes pilot pressure.
  • Reverse flow through the valve from port 2 to port 1 is not possible under any condition.
  • With equal pressures at all ports the valve is closed.
  • In the begining the CO*A's did not have a positive seal on the pilot pistons and the CO*B's did. Now the CO*A's are positively sealed and the 2 valves are mechanically identical. CO*A's are more readily available and cost less.
  • Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.

Cavity T-11A
Series 1
Capacity 20 gpm80 L/min.
Pilot Ratio 1.8:11.8:1
Maximum Operating Pressure 5000 psi350 bar
Maximum Valve Leakage at 110 SUS (24 cSt) 1 drops/min.0,07 cc/min.
Valve Hex Size 7/8 in.22,2 mm
Valve Installation Torque 30 - 35 lbf ft41 - 47 Nm
Model Weight .30 lb0,15 kg
Seal kit - Cartridge Viton: 990-011-006

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