You are on Marvo for
United Kingdom (£)
It looks like you're in United States.
Your purchases will be limited to delivery within United Kingdom. If you wish to ship parts to either United States or Germany please navigate to the relevant site using the options below.


Marvo Part ID: MV-29MK

£217.76 (ex. VAT)


Trustpilot Stars Qty

Accepted payment methods:

Stripe logo
Paypal logo
Visa logo
Mastercard logo
American Express logo
Bank Transfer logo


You can return your part(s) and request a full refund at any time. Refer to our returns policy for more information.

Stars Martin Ruml

‘Rapid delivery.’

Stars Ms. Mia

‘Quick response, good item, delivery on schedule.’

Get your order by 20/06/2024

If ordered within 00:00:00

Find out more


Specification Description
Part Number C73451-A430-D80
Alternative Part Number C73451A430D80
Manufacturer Siemens
Category General Automation
Description Pneumatic block for single acting valve, includes seal and screws
Compatibility Specifically designed for use with Siemens 6DR4 and 6DR5 series
Weight 0.200 kg
Commodity Code 848120
Additional Features Comes with necessary components for immediate installation and integration into existing systems

Commonly Asked Questions

What payment methods do you accept?

We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.


Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.


What countries can Marvo deliver to?

Marvo currently delivers to the United Kingdom (excluding Northern Ireland), the United States of America and Germany. If you cannot find your delivery address at checkout, this is most likely because Marvo does not currently deliver to this location. There are ongoing efforts to make Marvo accessible to a global market, keep your eyes peeled as our service expands to new locations. All orders are sold with a streamlined delivery process ensuring that you get your part, fast. Marvo is designed to offer you quick, easy and reliable access to critical components and uses well established global shipping services, including but not limited to DHL, UPS and FedEx.


How do I create an account?

Creating an account is incredibly simple and takes a matter of seconds. You can create a Marvo account at any time by clicking here and following the simple steps on screen. By creating a Marvo account you can store your contact details, delivery addresses, billing addresses and more, meaning that you can enjoy game-changing convenience faster than ever before.


Is Marvo a credible parts supplier?

Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services.  Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.


Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.


Peace of mind with every purchase


Marvo Approved

A seal of quality that ensures each part is fully inspected, every time. Purchase with confidence thanks to Marvo Approved.


Full warranty

All parts are covered by a comprehensive warranty. If something goes wrong, I’ll put it right.


Priority delivery

Advanced tracking and a streamlined delivery process ensure that you get your part, fast.


Committed to you

Engineered to ensure that you always have a quick, easy and reliable place to source automation and control components.

C73451-A430-D80 Product Description

The Siemens C73451-A430-D80 is a high-quality pneumatic block designed for seamless integration with single acting valves. This component includes a seal and screws, ensuring a secure and reliable connection for 6DR4 and 6DR5 series valves. Engineered for durability and performance, the pneumatic block is an essential part for various industrial automation applications. Its robust construction and precise manufacturing standards reflect Siemens' commitment to excellence in automation technology. Ideal for system upgrades or maintenance, the C73451-A430-D80 is a testament to efficient and effective engineering.

Frequently Asked Questions

What is the purpose of this pneumatic block?

This pneumatic block is designed for use with single acting valves, providing a reliable interface between the valve and its actuating mechanism. It includes a seal and screws for secure mounting to compatible 6DR4 and 6DR5 series valves.

Can this pneumatic block be used with other valve series?

The pneumatic block is specifically designed for the 6DR4 and 6DR5 series valves. Using it with other valve series is not recommended as it may not provide a proper fit or function correctly.

What components are included with the pneumatic block?

The pneumatic block comes with a seal and screws necessary for mounting it to the appropriate valves.

How do I install the pneumatic block?

Installation of the pneumatic block should be carried out by a qualified technician. It involves securing the block to the valve using the provided screws and ensuring the seal is properly placed to prevent leaks.

What maintenance is required for this pneumatic block?

Regular inspection for signs of wear and tear, ensuring the seal is intact, and checking for any air leaks are essential maintenance practices for the pneumatic block.

Are there any specific operating conditions for the pneumatic block?

The pneumatic block should be operated within the parameters specified by the manufacturer for the 6DR4 and 6DR5 series valves. It is important to ensure that the operating environment does not exceed these specifications.

How can I identify if the pneumatic block needs to be replaced?

Signs that the pneumatic block may need replacement include inconsistent valve operation, visible damage to the block or seal, and air leaks that cannot be remedied by tightening or replacing the seal.