氣動三通內(nèi)螺球閥
PNEUMATIC THREE-WAY INTERNAL THREAD BALL VALVE

技術(shù)規(guī)范 Technical specification

設(shè)計依據(jù) Design reference	GB標(biāo)準(zhǔn)	ANSI標(biāo)準(zhǔn)
設(shè)計標(biāo)準(zhǔn) Design standard	GB/12237	ANSI B16.34
連接法蘭尺寸 Connecting Flange Size	GB/9113、JB/T79	ANSI B16.5
試驗和檢驗 Test&inspection	JB/T9002	API 598

※注：系列球閥結(jié)構(gòu)長度及連接對夾法蘭尺寸根據(jù)客戶要求設(shè)計制造。
Note：The structural length and connecting flange size of ball valve
         series can be designed and manufactured as per users requirements.

主要零件材質(zhì)表 Form of Major Parts Materials       

序號 NO	零件名稱 Accessory name	材質(zhì)  Material
1	接頭 Connector	不銹鋼CF8、CF8M Stainless Steel CF8、CF8M
2	閥座 Seat	PTFE
3	球體 Ball	不銹鋼304、316 Stainless Steel 304、316
4	墊片 Gasket	PTFE
5	閥體 Body	不銹鋼CF8、CF8M Stainless Steel CF8、CF8M
6	螺栓 Bolt	不銹鋼304 Stainless Steel 304
7	閥桿 Stem	不銹鋼304、316 Stainless Steel 304、316
8	墊片 Gasket	PTFE
9	填料 Packing	PTFE
10	壓蓋 Gland	不銹鋼304、316 Stainless Steel 304、316
11	連接支架 Connectiong Yoke	不銹鋼CF8 Stainless Steel CF8
12	連接套 Connection Set	不銹鋼304 Stainless Steel 304
13	螺栓 Bolt	不銹鋼304 Stainless Steel 304
14	氣動裝置 Pneumatic Device

※ 注：主要零部件及密封圈的材質(zhì)亦可根據(jù)實際工況條件或用戶特殊要求設(shè)計       
Note: The main spare parts and sealing-ring materials of ball valve series be
         options as perreal working conditions and the user special requirements.

 主要外形及連接法蘭尺寸Q641(F、H)Mani Outline and Connecting Flang Size

公稱通徑 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