Types A, B and C Which DIN Valve Connector Do You Need


What is a Solenoid Valve Connector?

Solenoid valve connectors are used to connect solenoid valves and pressure switches. Solenoid valve connectors are often used as environment-resistant junction boxes. These guards can be used with hydraulic or pneumatic solenoid valves or pressure switches. Certain devices are capable of operating on either AC or DC voltage, although some types can handle both.


Types of Solenoid Valve Connectors

Solenoid connectors are configured to conform to specific connector styles. These styles determine the type of equipment that can be used with a given solenoid valve connector. Some of the most common connector types include Industrial Type B (ISO Type B), Industrial Micro Miniature (ISO Type C), DIN 43650 Type A, DIN 43650 Type B, and DIN 43650 Type C. The ISO Type B connector has a diameter of 11 mm contact separation and is commonly referred to as the industry standard mini. Likewise, ISO Type C devices have a 9.4mm contact pitch, often referred to as the industry standard sub-micron.

The three DIN 43650 styles (Form A, Form B and Form C) have contact pitches of 18 mm, 10 mm and 8 mm respectively. Type B is often referred to as a "miniature" connector, while Type C is often referred to as "subminiature". Solenoid valve connectors are also available to customer specifications.



When choosing between the available solenoid valve connectors, it is important to keep in mind the many standard specifications and how they refer to a given application. These specifications include maximum rated voltage (the maximum voltage that the connector can safely transmit), maximum operating current (the maximum current that the connector can safely transmit), switching delay (the time delay associated with the signal transmitted through the connector) and operating temperature (The operating temperature range in which the solenoid valve connector can operate).

In addition to the standard specifications, a variety of optional functions for solenoid valve connectors are also available. These include styles with built-in surge suppressors, as well as styles with indelible LEDs to indicate when the solenoid is energized.


How DIN Solenoid Valve Connectors Work

Valve connectors may be small in size and cost when all the factors that keep an industrial plant running are considered, but the demands placed on these small components are high. They need to be able to withstand extreme temperatures, operate in contact with oil and grease, and maintain reliable connections.

DIN valve connectors are designed to supply power and, in some cases, transmit signals to end equipment such as solenoid valves by connecting them to a voltage source and/or data network.

These terminal devices serve one important purpose: to control the direction of liquids and gases. In some cases, they also protect against surges that can damage equipment. They function similarly to kitchen faucets, except they control electrical current rather than water flow.

Connectors are also used to connect pressure sensors, temperature sensors and flow monitors to the necessary power and data.

No matter where you find your manufacturing process, you'll find DIN valve connectors. They are used in automotive, chemical, food/beverage, pharmaceutical, oil/gas and water/wastewater environments, just to name a few.


DIN Valve Connector Type Details

For many years, DIN valve connectors have provided a quick and economical disconnect alternative to traditional hard-wired equipment.

However, before choosing to use one, it is important to understand the three standard types of DIN valve connectors available. Each offers different case sizes, pin types, and pin spacings to serve different purposes.


1. Form A DIN valve connector

The largest of the three types of valve connectors, the Type A valve connector can be identified by the shape of its connector head (1" x 1" square) or by the three inward-facing U-shaped pins. The pin spacing is 18mm.

These connectors are designed to be used with solenoid valves in hydraulic and pneumatic applications to provide power safely using waterproof methods.

Type A valve connectors are manufactured to EN 175301-803-A (formally known as DIN 43560) and are available in 2-pole or 3-pole + earthing options.


2. Type B DIN valve connector

Type B valve connectors are ideal for situations where a lot of extra workspace is not available, such as manifold sets. Thanks to the rectangular connector head shape, the connectors can be mounted side by side to maximize space utilization. You may also hear them referred to as "miniature valve connectors".

Similar to Type A valve connectors, Type B valve connectors are also used for solenoid valves in hydraulic and pneumatic applications as well as marine applications.

They are available in two different pin spacings:

10 mm between #1 and #2 pins (EN) with 1 flat blade contact and 2 outward facing U-shaped contacts

11mm (industry standard) between #1 and #2 pins with three flat blade contacts; this is the industry standard

Type B valve connectors are manufactured according to EN 175301-803-B or industry standards and are available in 2-pole + grounding form.


3. Type C DIN valve connector

The Type C valve connector is the smallest of the three types of valve connectors and, like the Type A valve connector, has a square connector head. Due to their size, they are also sometimes referred to as "subminiature valve connectors".

They are available in two different flat edge needle spacings:

Pin spacing between #1 and #2 pins is 8 mm (EN)

9.4 mm pin spacing between #1 and #2 pins (industry standard)

Type C valve connectors are manufactured to EN 175301-803-C or industry standards and are available in 2 pole or 3 pole + ground options.


Frequently Asked Questions

Q: What are the material options for DIN valve connectors?

A: Material options for DIN valve connectors typically include stainless steel, carbon steel, brass, etc. Different materials are suitable for different working environments and media, such as stainless steel for corrosive media, and carbon steel for general industrial applications.


Q: How to ensure the sealing performance of DIN valve connector?

A: The sealing performance of the DIN valve connector is realized by sealing elements such as sealing gaskets and O-rings. These sealing elements are usually located between the nut of the connector and the connection point, ensuring that the leakage of liquid or gas is effectively prevented when the connection is made.


Q: How are DIN valve connectors different from other connector standards?

A: DIN valve connectors are based on German Industrial Standards (DIN), while other connector standards such as ISO, ANSI, etc. are based on different international or national standards. Connectors of different standards may differ in size, material, design, etc., so the specific requirements of the application need to be considered when selecting a connector.


Q: What is the size range of DIN valve connectors?

A: DIN valve connectors come in a wide range of sizes, covering different needs from small pipeline connections to large industrial equipment. The specific size range depends on the type and application of the connector, and the manufacturer usually provides a detailed size specification table for reference.


Q: Are DIN valve connectors reliable in high pressure and high temperature environments?

A: DIN valve connectors can generally work under certain high pressure and high temperature environments, but additional consideration and measures may be required in extreme conditions. For high-voltage and high-temperature applications, you need to select the appropriate material and connector type, and strictly follow the technical specifications and safety recommendations provided by the manufacturer.


BRS Solenoid Valve Connector

We offer a comprehensive line of products designed to support the connectivity needs of various end equipment such as solenoid valves, pressure sensors, temperature sensors, and flow monitors. Our products include not only receptacles suitable for insertion into end devices, but also male ends that can be mounted directly or molded onto end devices, providing customers with a complete end-to-end connectivity solution.

Our DIN valve connector series has a variety of different styles to choose from to meet the needs of different scenarios. Whether the situation requires field connections, single-ended and double-ended molded cordsets, adapters, molded splitters and receptacles, we have the right solution. Our products are designed for high flexibility and customizability to suit the requirements of various application scenarios.

If you want to know more about our products and how to choose the best DIN valve connector for your needs, you are welcome to browse our official website or contact us. We will be happy to provide you with more detailed information and answer any questions you may have about connectivity solutions.

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