male coupling

The procedure of our product development and manufacturing accord with our internal standard, which is above the national standard. Please contact us for further information.

The procedure of our product development and manufacturing accord with our internal standard, which is higher than the national standard. Please contact us for further information.

7. Specification: outside diameter(DN):15-50mm   wall thickness: 0.6-1.0mm

EPDM(black): max working pressure 1.6Mpa, working temperature from -15 to 110, Suit medium: cold and hot water, compressed Air etc.

6. O-Ring Seal material:

5. Anneal: all stainless steel pipe fittings are annealed in inert gases before packing

4. Thread Standard: BSP or NPT

3. Pipe standard: Q/ZK 01-2006              Pipe fitting standard:Q/ZK 02-2006

2. Pipe fitting material: Austenitic stainless steel 304

1. Pipe material: Austenitic stainless steel 304/304L, 316/316L

Bulging connection pipeline system is our unique patented product, which is widely used in cold hand hot water supply, heating supply, fire protection, medicinal gas, industrial petroleum pipeline system etc. and adopted by many national key projects, such as the National Stadium(Nest) and Crown of East(Shanghai Expo),Compared with traditional pipeline system, its not only more economical, safer and healthier, but also easier and faster for installation with longer service life.

It's widely used in star hotel and government subject. Very good quality and install convenient and fast when for a object. Also a very best choice for water-supply system and dinking water.

National patent product.flange connection.
OD:40-50mm. standard:GB.
Material: SUS304,304L,316,316L..press:1.6mpa.