气动三通内螺球阀
PNEUMATIC THREE-WAY INTERNAL THREAD BALL VALVE

技术规范 Technical specification

设计依据 Design reference	GB标准	ANSI标准
设计标准 Design standard	GB/12237	ANSI B16.34
连接法兰尺寸 Connecting Flange Size	GB/9113、JB/T79	ANSI B16.5
试验和检验 Test&inspection	JB/T9002	API 598

※注：系列球阀结构长度及连接对夹法兰尺寸根据客户要求设计制造。
Note：The structural length and connecting flange size of ball valve
         series can be designed and manufactured as per users requirements.

主要零件材质表 Form of Major Parts Materials       

序号 NO	零件名称 Accessory name	材质  Material
1	接头 Connector	不锈钢CF8、CF8M Stainless Steel CF8、CF8M
2	阀座 Seat	PTFE
3	球体 Ball	不锈钢304、316 Stainless Steel 304、316
4	垫片 Gasket	PTFE
5	阀体 Body	不锈钢CF8、CF8M Stainless Steel CF8、CF8M
6	螺栓 Bolt	不锈钢304 Stainless Steel 304
7	阀杆 Stem	不锈钢304、316 Stainless Steel 304、316
8	垫片 Gasket	PTFE
9	填料 Packing	PTFE
10	压盖 Gland	不锈钢304、316 Stainless Steel 304、316
11	连接支架 Connectiong Yoke	不锈钢CF8 Stainless Steel CF8
12	连接套 Connection Set	不锈钢304 Stainless Steel 304
13	螺栓 Bolt	不锈钢304 Stainless Steel 304
14	气动装置 Pneumatic Device

※ 注：主要零部件及密封圈的材质亦可根据实际工况条件或用户特殊要求设计       
Note: The main spare parts and sealing-ring materials of ball valve series be
         options as perreal working conditions and the user special requirements.

 主要外形及连接法兰尺寸Q641(F、H)Mani Outline and Connecting Flang Size

公称通径 DN Nominal siza	外形尺寸  Outline Siza
	1.6~6.4Mpa
	G	L	LO	H	L1	L2	S	d
15	1/2〞	68	34	130	140	62	26	10
20	3/4〞	78	39	135	140	62	32	15
25	1〞	86	43	139	140	62	38	20
32	1-1/4〞	111	55.5	158	164	75	49	25
40	1-1/2〞	126	63	165	164	75	56	32
50	2〞	143	71.5	202	190	91	78	38