Malleable iron reducing Nipple Fig 245 A197 NPT ASTM

Product Overview

This malleable iron reducing Nipple Fig 245 A197 NPT is manufactured in accordance with ASTM standards. It has male threads of different sizes at both ends, used for reducing connection between pipelines with compact structure and easy installation. Made of high-quality black heart malleable iron with high-temperature annealing, it features good toughness, high strength and impact resistance. With high-precision threads for tight connection and reliable sealing, it is available in black, electro-galvanized or hot-dip galvanized finish. Corrosion-resistant and easy to install, it is widely used in water, gas, steam, fire protection and various industrial low-pressure fluid piping systems.

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Product details

Malleable iron reducing nipple is a middle-hex fitting with both male threaded connections, and it is used to join two pipes with different size.

Product Features (Specifications – Plain English List)

Standard: ASTM A197
Type: Reducing Nipple Fig 245 A197 NPT
Material: Black Heart Malleable Iron
Pressure Class: 150LB / 300LB
Temperature Range: -20℃ ~ 230℃
Thread Standard: NPT / BSP
Surface Treatment: Black / Electro-galvanized / Hot-dip Galvanized
Applicable Media: Water, hot water, oil, gas, compressed air, fire water, low-pressure steam

Specifications Table (Dimensions & Parameters)

Size	Inch	4*2	4*212	4*3	3/8*1/4	1/2*1/4	1/2*3/8
Size	mm	100*50	100*65	100*80	10*8	15*8	15*10
Dim.(mm）	A	87	87	87	38	44	44
Size	Inch	3/4*14	3/4*3/8	3/4*12	1*1/2	1*3/4	11/4*1/2
Size	mm	20*8	20*10	20*15	25*15	25*20	32*15
Dim.(mm）	A	47	47	47	53	53	57

Size	Inch	11/4X3/4	11/4X1	112X1/2	11/2X3/4	112*1
Size	mm	32X20	32X25	40X15	40X20	40*25
Dim.(mm）	A	57	57	59	59	59
Size	Inch	11/2X11/4	2X12	2X3/4	2X1	2X114
Size	mm	40X32	50X15	50X20	50X25	50X32
Dim.(mm）	A	59	68	68	68	68
Size	Inch	2X1/2	21/2X1	21/2X1/4	21/2X11/2	21/2X2
Size	mm	50X40	65X25	65X32	65X40	65X50
Dim.(mm）	A	58	7	75	75	75
Size	Inch	3X1/2	3X2	3X21/2	1/4X1/8
Size	mm	80X40	80X50	80X65	8X6
Dim.(mm）	A	83	83	83	31

Product Applications

Fire Protection Systems: Reducing connection for sprinkler networks
Water Supply & Drainage: Reducing transition for building pipelines
HVAC & Heating: Reducing connection for boilers and radiator systems
Industrial Pipelines: Diameter changing for compressed air and low-pressure steam pipelines
Gas Engineering: Transition between different sizes of gas pipelines
Marine & Mining: Reducing connection for general low-pressure fluid pipelines

Installation and Maintenance

Installation

Inspect the reducing Nipple Fig 245 A197 NPTbefore installation to ensure no sand holes, cracks, deformation and intact threads
Clean impurities on internal threads and connecting surfaces
Wind PTFE tape clockwise or apply pipe thread sealant on male threads
After hand-tightening, use a pipe wrench to tighten evenly to avoid cracking due to excessive force
Pressure test after installation; put into use only after confirming no leakage and looseness

Maintenance

Regularly check joints for leakage, thread looseness and surface corrosion
Paint anti-rust paint regularly for outdoor or humid environments to extend service life
Replace immediately in case of cracks, deformation, leakage or serious corrosion

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]