H11 type internal thread swing check valveDetailed product description：

Product Use

The function of H11 type internal thread swing check valve is to prevent the backflow of medium in the pipeline. Check valves belong to the category of automatic valves, and their opening and closing components are automatically opened or closed by the force of the flowing medium. Check valves are only used on pipelines with unidirectional flow of medium to prevent medium backflow and prevent accidents from occurring

1、 Application Specification for Internal Thread Swing Check Valve
Nominal pressure: 2.5MPa
Applicable temperature range: -20~232 ℃~350 ℃
Applicable media: water, oil, gas, and certain corrosive liquids (W.O.G)
Thread type: G · NPT.BSPT.BSP DIN259/1999

2、 Main component materials of H11 type internal thread swing check valve

Serial number	Part Name	material
one	valve body	Stainless steel CF8M/CF8
two	valve cover	Stainless steel CF8M/CF8
three	Joystick pin	Stainless steel 316/304
four	valve disc	Stainless steel CF8M/CF8
five	screw plug	Stainless steel 316/304
six	Screw plug gasket	Polytetrafluoroethylene (PTFE)

3、 Main connection dimensions and weight of internal thread swing check valve

SIZE	1/2″	3/4″	1″	11/4″	11/2″	2″	21/2″	3″
A	fifteen	twenty	twenty-five	thirty-two	forty	fifty	sixty-five
H	forty-two	fifty-one	sixty	sixty-seven	seventy-five	eighty-one	ninety-three	one hundred and four
L	sixty-five	eighty	ninety	one hundred and five	one hundred and twenty	one hundred and forty	one hundred and eighty