STZ Industries
Steel Nipples and Close Nipples
STZ Industries offers black steel nipples in lengths such as 2 in. L and 6 in. L, plus black and galvanized steel close nipples. Black steel nipples are for residential and light commercial gas, LP and air applications, and they are not for potable drinking water. Galvanized steel close nipples are for residential and light commercial water applications, including potable drinking water.
View STZ Industries Buying Guide & FAQs
Buying Guide: Galvanized and Black Steel Nipples
Black Steel Nipples
Black steel nipples are schedule 40 and hydrostatically tested, and they are rated at maximum 231 psi at 400F. They are for residential and light commercial gas, LP and air applications, and they are not for potable drinking water. Have a qualified technician install gas or LP parts, and match the diameter, thread type and length on the old nipple before you order.
Galvanized Steel Close Nipples
Galvanized steel close nipples are schedule 40 and hydrostatically tested, and they are rated at maximum 231 psi at 400F. They are for residential and light commercial water applications and for use with potable drinking water. Match the size, such as 1/2 in. or 1 in., and the thread type on the old nipple before you order.
Close Nipple Sizes and Threads
Close nipples have MIP threads on each end, in sizes such as 1/2 in., 1 in., 1-1/4 in., 1-1/2 in. and 2 in. Black and galvanized steel close nipples are offered, and galvanized steel close nipples are for residential and light commercial water applications. Match the size and thread type on the old close nipple before you order.
Frequently Asked Questions
What does STZ Industries offer?
STZ Industries offers black steel nipples in lengths such as 2 in. L and 6 in. L, plus black and galvanized steel close nipples in sizes such as 1/2 in., 1 in. and 2 in.
Which STZ nipples are for potable drinking water?
Galvanized steel close nipples are for use with potable drinking water, in residential and light commercial water applications. Black steel nipples are not for potable drinking water, and they are for residential and light commercial gas, LP and air applications.
How do I choose the right size?
Match the diameter, thread type and length on the old nipple before you order, such as MIP threads and a 2 in. L length. Measure first, and have a qualified technician install any gas or LP part.
