China Factory wholesale Gi Hex Nipple - Carbon steel pipe nipples male and female thread NPT BSP – Leyon manufacturers and suppliers

Factory wholesale Gi Hex Nipple - Carbon steel pipe nipples male and female thread NPT BSP – Leyon

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That has a sound small business credit, great after-sales service and modern production facilities, we've earned an outstanding standing amid our buyers across the earth for Malleable Iron Union , Plumbing Tee , Flexi Tail Pipe Adapters , We will supply best quality, the most market competitive price, for every new and old customers with the most perfect green services.

Factory wholesale Gi Hex Nipple - Carbon steel pipe nipples male and female thread NPT BSP – Leyon Detail:

Carbon steel pipe nipples male and female thread NPT BSP

Black steel tubes are manufactured as seamless tubes, which makes them a better type for gas transport and fire sprinkler systems as they are more fire-resistant than galvanized tubes. Black iron pipe is also most commonly used in fire sprinkler systems because of its high heat resistance and is most often used in water supply lines because of its resistance to water damage. Because of the dark surface formed from iron oxide during manufacturing, it is called black steel pipe

The main difference between steel pipe and galvanized pipe is the surface. Black steel tubes are uncoated and contain no steam, so they are widely used to deliver gases such as propane and natural gas to residential and commercial buildings.

1) During and after production, 10 QC staffs with more than 10 years experience inspect products in random.Carbon Steel Pipe nipple of Strict Quality Control

2) National accredited laboratory with CNAS certificates
3) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV.
4) Approved UL /FM, ISO9001, CE certificates.

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20mm Threaded Pipe