Grooved Cap ASTM A536 Ductile Iron with Concentric hole for Pipeline Systems

Product Features (Specifications – Plain English List)

Standard: UL/FM, GB standards

Type: Grooved Cap ASTM A536 Ductile Iron with concentric hole

Material: Ductile iron

Connection type: Grooved end with concentric outlet

Pressure class: 1.6MPa / 2.5MPa

Temperature range: -20℃ ~ 120℃

Surface treatment: Red painted / Epoxy coated

Application: Water, fire fighting sprinkler, HVAC, industrial fluid pipelines

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Product details

Grooved cap with concentric hole is used to mount at the pipe end by groove connection, with a concentric hole for drainage.

Product Overview

This grooved Cap ASTM A536 Ductile Iron with concentric hole is designed for pipe end sealing and branch connection in fire fighting, water supply and industrial piping systems. It features grooved connection for quick installation and a concentric hole for stable outlet connection. Made of high-strength ductile iron, it provides good pressure resistance, reliable sealing and long service life, widely used for pipe end closing and small branch tapping.

Specifications Table (Dimensions & Parameters)

SIZE		OD SIZE	L (MM)
2″×1″	DN50×DN25	60.3X33.7	23.5
2 1/2″×1″	DN65×DN25	76.1X33.7	24.5
2 1/2″×1 1/2″	DN65×DN40	76.1X48.3	23.5
2 1/2″×2″	DN65×DN50	76.1X60.3	24
3″×1/2″	DN80×DN15	88.9X21.3	25.4
3″×1″	DN80×DN25	88.9X33.7	24
3″×1 1/2″	DN80×DN40	88.9X48.3	23.5
3″×2″	DN80×DN50	88.9X60.3	23.5
4″×1/2″	DN100×DN15	114.3X21.3	27
4″×1″	DN100×DN25	114.3X33.7	27
4″×1 1/2″	DN100×DN40	114.3X48.3	25.4
4″×2″	DN100×DN50	114.3X60.3	25.4
5″×2″	DN125×DN50	139.7X60.3	27
6″×1/2″	DN150×DN15	165.1X21.3	27
6″×1/2″	DN150×DN15	168.3X21.3	25.4
6″×1″	DN150×DN25	159.0X33.7	27
6″×1″	DN150×DN25	165.1X33.7	27
6″×1″	DN150×DN25	168.3X33.7	25.4
6″×2″	DN150×DN50	165.1X60.3	27
6″×1 1/2″	DN150×DN40	168.3X48.3	27
6″×2″	DN150×DN50	168.3X60.3	27
8″×1″	DN200×DN25	219.1X33.7	30

Product Applications

Pipe end sealing with concentric outlet in fire sprinkler systems
End Cap ASTM A536 Ductile Iron with branch tapping in water supply pipelines
Small branch connection for HVAC circulating water systems
Industrial pipeline end closing and concentric outlet use
Urban pipe network, fire protection engineering and construction piping

Installation and Maintenance

Inspect the Cap ASTM A536 Ductile Iron for cracks, deformation and complete grooves before installation
Clean grooves and concentric hole surface, install gaskets correctly
Connect with coupling clamp and tighten bolts evenly
Do not over-tighten to avoid damage to fittings or gaskets
Conduct pressure test after installation to check for leakage
Regularly check sealing condition and clamp fastening status

Related Products

Grooved Cap ASTM A536 Ductile Iron with eccentric hole

Grooved end Cap ASTM A536 Ductile Iron

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Grooved eccentric reducer

Grooved equal tee

Full series of grooved 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]