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ball valve

Pneumatic thread ball valve

　　Summary of pneumatic internal thread ball valve products

　　Threaded ball valve and butt welding ball valve is divided into integral, two stages and three. Body casting adopting Germany to introduce advanced technology, reasonable structure, beautiful appearance. Seat is elastic sealing structure, reliable sealing, and closed easily. Have pour sealing bottoms structure is used to the valve stem, valve cavity when the abnormal pressure, the valve stem will not be impact. Can be set up to 90 ° switch positioning mechanism, according to the need to lock to prevent wrong operation. Threaded connections within the pinch valve and butt welding ball valve is suitable for the PN1.0 ~ 4.0 MPa, working temperature - 29 ~ 180 ℃ (seal for enhanced ptfe) or - 29 ~ 300 ℃ (seal for para polystyrene) of various pipelines, used in the medium of truncated or connect line, choose different material, can be respectively suitable for water, steam, oil, nitric acid, acetic acid, ammonium salt water, and a variety of medium such as water.

　　Product parameters

Nominal diameter DN (mm)		6-100
Nominal pressure PN (MPa)		1.6
Nominal pressure PS (MPa)	Strength test Seal test	2.4
		1.8
Materials material code		C		P	R
The main parts	Body	WCB		CF8 304	CF8M 316
	Sphere	WCB		CF8 304	CF8M 316i
	Stem	2Cr13		0Cr18Ni9Ti	0Cr17NiMo2
	Seals	PTFE for PPL
	filler	PTFE flexible graphite
Applicable conditions	Applicable medium	Water, steam, oil		Nitric acid	Acetic acid class
	proper temperature	-28 ℃ -300 ℃
Pneumatics	model	EBQ series
	Air pressure	0.4-0.7MPa
Implementation of standards		Design and manufacture	Length of the structure	Flange size	Pressure Temperature	Test test
		GBT/12238	Gb12221	/	GB/T13927	GB13927

The way to(mm)	Inch	Size（mm）
The way to(mm)	Inch	L	D1	D2	H	Thread standard NPT BSP PT DIN
8	1/4	75	10.6	14.2	42
10	3/8	75	12.7	17.8	42
15	1/2	75	15	21.8	42
20	3/4	80	20	27.3	49
25	1	90	25	34	58.5
32	1 1/4	110	32	42.8	63
40	1 1/2	120	38	48.9	71
50	2	140	50	61.4	78
65	2 1/2	185	63.5	74	100
80	3	205	76	90	109
100	4	240	100	115.4	140

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