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  • Black Iron Cap Fittings Round Fig.301

  • Black Iron Cap Fittings Round Fig.301

  • Black Iron Cap Fittings Round Fig.301

  • Black Iron Cap Fittings Round Fig.301

Black Iron Cap Fittings Round Fig.301

Black Iron Cap Fittings Round Fig.301

Size: 1/4''-4''(DN8-DN100)

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

Product Dimensions

Black Iron Cap Fittings Round Fig.301

Technical Data

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


Pipe caps are used to protect pipe end, so it belongs to the protective device, Such as using pipe caps to do waterproof ends protection, or hydraulic and pneumatic pipe and tubes., they are used in the plumbing pipeline system, pipe caps are an important part in a category of pipe fittings.

Usually, pipe caps have several different kinds of material, such as malleable iron, plastic, stainless steel, copper, etc.

Jianzhi brand black 301 round caps are one kind of threaded connection pipe caps. Female threaded fittings,  Different from another welding method, it adopts threaded connection, which can be directly rotated for repair or inspection when the repair is needed. If it is a welding method, repair or replacement is more troublesome. Usually smaller than 4" pipe caps, more threaded connections are used, and more than 6" pipe caps, more welding methods are used.

Jianzhi brand black 301 round caps with good appearance, and mostly be used in the gas pipeline system.