Malleable iron Union Fig 340 (taper seat) beaded DIN

Product Overview

This malleable iron Union Fig 340 with taper seat and beaded edge is manufactured in accordance with DIN standards. It is mainly used for pipeline connections that require frequent disassembly and maintenance. The taper seat design provides better self-centering and tighter sealing, effectively preventing leakage. The beaded structure strengthens the pipe end to prevent deformation and cracking. Made of high-quality black heart malleable iron, it features high strength, good toughness and long service life, widely used in water, gas, oil, steam, fire fighting and other low-pressure fluid piping systems.

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Product details

Malleable cast iron union taper seat is a pipe connector or fastener made of malleable cast iron with taper seat. The joint between the pipes is easy to install and remove without moving the entire pipe system

Product Features (Specifications – Plain English List)

Standard: DIN EN 10242

Type: Union Fig 340 (taper seat) beaded

Material: Black heart malleable iron

Seat: Taper seat

Thread standard: DIN 2999

Pressure class: 150LB

Temperature range: -20℃ ~ 230℃

Surface treatment: Black / Electro-galvanized / Hot-dip galvanized

Application: Water, gas, oil, compressed air, steam, fire fighting

Specifications Table (Dimensions & Parameters)

Size	Inch	1/4	3/8	1/2	3/4	1	11/4
	mm	8	10	15	20	25	32
Dim.	A	42	45	48	52	58	65
(mm)
Size	Inch	11/2	2	21/2	3	4
	mm	40	50	65	80	100
Dim.	A	70	78	85	95	110
(mm)

Product Applications

Detachable connection in plumbing and water supply pipelines
Frequent assembly and disassembly connection in gas and heating systems
Sprinkler pipeline Union Fig 340 connection in fire fighting systems
Industrial compressed air and oil pipeline quick disassembly connection
Marine, mining and construction piping connection

Installation and Maintenance

Inspect the Union Fig 340 for cracks, deformation and intact beaded edge before installation
Check the taper seat for integrity and correct installation
Clean threads and apply PTFE tape or thread sealant
Tighten evenly with a wrench to ensure good sealing
Do not over-tighten to avoid damaging the sealing seat
Regularly check for leakage, rust and looseness during use

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Full series of DIN beaded malleable iron pipe fittings

FAQ

Can you supply OEM?

OEM is available. We can customize the product according to your specific requirements, including logo printing and packaging design.

What’s the MOQ?

The MOQ is 500 pieces. For customized products with special sizes or surface treatments, the MOQ may vary.

How about the order processing and lead time?

After order confirmation and receipt of the advance payment, we will arrange production. Generally, the products can be ready for shipment within 15-20 working days. Once dispatched, we will notify you and provide all necessary documents for customs clearance.

What quality will be ensured?

All products are 100% new and undergo strict quality inspections, including pressure testing and dimensional checks, before delivery. We use sturdy wooden crates or cartons to ensure the products are well-protected during transportation.

Can you guide the installation?

Yes, we provide detailed installation instructions in English and other major languages. Our technical support team is also available for online consultation and guidance if needed.

Contact Information

Sales Inquiry:
Provide contact information for sales inquiries.

Email: [email protected]

Phone: +86 13012223295

Technical Support

If you have any questions regarding product installation, commissioning, operation or maintenance, please contact our technical support team for professional assistance:

Email: [email protected]