Galvanized Pipe Fittings

GI Fittings Pipe Back Nut Fig.310

Size: 1/8''-6''(DN6-DN150)

Standard: EN10242 / ANSI / ASME B16.3 / DIN2950 / IS0 49 / NBR6943 / IS1879 / BS EN10242

Threaded Standard: EN10226 / ASME B.1.20.1 / DIN2999 / ISO7-1 / ISO228 / IS554 / BS EN10226

Work Pressures: PN25 / 2.5Mpa / 363PSI /CLASS 150 / 25Bar

UL Listed /FM Approved /CE /ABNT /TSE /SNI /ISI

GI Fittings Pipe Back Nut Fig.310

Product Description

Maximum Pressure: 25 BAR (363PSI) (2.5MPA) CLASS 150

Maximum Temperature: 200°C (392°F)

Tensile Strength: 350MPA

Hardness: HB150 (Brinell)

Elongation Rate: 10%

Suitable Applications: Water, Oil, Gas, Petro-Chemical

Material: Malleable Iron

A threaded nut, one side of which is dished to retain a grommet; used in forming a watertight pipe joint.A locking nut on the shank of a pipe fitting, tap, or valve.

JIANZHI pipe fittings are divided into three types by type: heavy, medium and light, according to the surface treatment, there are three types. Galvanized,electro-galvanized, and black. The back nut is able to prevent self-loosening of the fittings. This is a common problem with older pipelines that need replacement. In order to ensure quality, we will 100% test the airtightness of all fittings before packing.

Product Dimensions

GI Fittings Pipe Back Nut Fig.310


Contact Us


Tel: +86 022 8848 8866

Office In Tianjin:

Heping District, Tianjin, China.

Production Base 1:

Chifeng, Inner Mongolia, China.

Production Base 2:

Tangshan City, Hebei Province, China.

Jianzhi International Trade (Tianjin) Co., Ltd.

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