Jianzhi International Trade (Tianjin) Co., Ltd.

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  • Black Malleable Iron Hexagon Cap Fig.300

  • Black Malleable Iron Hexagon Cap Fig.300

  • Black Malleable Iron Hexagon Cap Fig.300

  • Black Malleable Iron Hexagon Cap Fig.300

Black Malleable Iron Hexagon Cap Fig.300

Black Malleable Iron Hexagon Cap Fig.300

Size: 3/8''-2''(DN10-DN50)

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 Malleable Iron Hexagon Cap Fig.300

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


Jianzhi brand 300 black hex cap is for closing the end of female threaded pipe fittings. 

Pipe caps connect with female pipes or fittings and connects with threads, which create a tighter seal than straight threads. The hexagon allows for increased leverage and uses a wrench during installation and disassembly.

We can make different kinds of threads according to different standards, such as NPT, ISO228, ISO7-1, BSPT, BSPP.

Hex caps usually are expensive than rough caps, but it is much easier to assemble.

The smallest size of Jianzhi Hex caps is 3/8'', the largest size is 2'', with better resistance to corrosion.