产品编号：,5101273116,
产品名称：,美标止回阀,
规　　格：,DN15-DN300,
产品备注：,型号：H44,
,,
,
　　　产品说明,
,,
美标止回阀特点,

①产品的设计制造符合美国国家标准 ,美国石油协会标准APl6D要求。②阀瓣为旋启式,流道为直通式,水平管道、垂直管道均可安装。,③摇杆销轴采用内装式结构,减少了外泄漏缺点。,④阀体,阀盖为螺栓连接,高压情况下(PN≥10MPa)。中法兰采用内压自密封结构,使得产品体积小,重量轻,密封可靠。,

名称,
,止回阀,
,
设计标准,
,APl6D．JlS,B2074-2084,
,
结构长度,
, ,JISB2002,
,
配管法兰,
,ANSI, 、JISB2212-2214,
,
对焊端尺寸,
, ,
,
检验与试,
,APl6D或APl598,JlSB2003,
,

美标止回阀试压规范,

压力等级或公称压力,
,壳体试验,
(Mpa),
,密封试验,(MPa),
,
高压液密封,
,低压气密封,
,
150Lb． ,
, ,
, ,
, ,
,
300Lb．PN5．OMPa,
, ,
, ,
,
600Lb．PNl, ,
, ,
, ,
,
JISlOK,
, ,
, ,
,
JIS20K,
, ,
, ,
,

美标止回阀主要零件材料及性能规范,

零件名称,
,材,料,
,
阀体,
阀盖,
阀瓣,
摇杆,
,ASTM,A216,
WCB,
,ASTM,A351,
CFB,
,ASTM,A351,
CF8M,
,ASTM,A351
CF3,
,ASTM,A351
CF3M,
,
销轴,
,1Crl3,
,OCrl8Ni9,
,OCrl7Nil2M02,
,OOCrl9Nil0,
,OOCrl7Nil4M02,
,
F6a,
,304,
,316,
,304L,
,316L,
,
阀瓣,
,密封面,
,13Cr,
,13Cr,
,STL,
,本体,,,,,,,,,本体,,,,,,,,,STL,
,,本体,,,,,,,,STLR,,,,,,,,,,STL,,
,
阀座,
,13Cr,
,STL,
,STL,
,
阀瓣螺母,
,1Crl3,
,0Crl8Ni9,
,OCrl7Nil2M02,
,00Crl9NilO,
,OOCrl7Ni4M02,
,
410,
,304,
,316,
,304L,
,316L,
,
防松销,
,OCCr8Ni9,
,0Crl7Nil2M02,
,00Crl9NilO,
,00Crl7Nil4M02,
,
304,
,316,
,304L,
,316L,
,
垫片,
,柔性石墨复合垫,(芯板：碳钢或不锈钢)不锈钢带,柔性石墨缠绕垫,
,
中法兰螺栓,
,350CrM0,
ASTM,A193,B7,
,OCr18Ni9,ASTMA193,,,B8,
,
中法兰螺母,
,45,
ASTM,A1,94,2H,
,OCr18Ni9,ASTM,A194,,,8,
,
适用,
工况,
,适用介质,
,水、蒸汽、油品等,
,硝酸等腐蚀介质,
,醋酸等腐蚀介质,
,强氧化性介质,
,尿素等腐蚀性介质,
,
适用温度,(℃),
,-29～425,
,-40～200(超出该温度范围、请在订货时注明),
,

注：,1如法兰密封面采用凸面以外的型式。请在订货时注明。,



[H44]主要连接与外形尺寸及重量

磅级,公称通径(DN),主要连接尺寸,(mm),H44外形尺寸,重量
(kg),,
in,mm,L,D,D1,D2,b,f,z-φd,H,
150Lb
( )
(10K),,2,50,203,152, ,92,16, ,4-19,165,17,
21/2,65,216,178, ,105, , ,4-19,175,25,
3,80,241,190, ,127, , ,4-19,190,29,
4,100,292,229, ,157,24, ,8-19,215,50,
5,125,330,254,216,186,24, ,8-22,245,75,
6,150,356,279, ,216, , ,8-22,265,85,
8,200,495,343, ,270,29, ,8-22,320,150,
10,250,622,406,362,324, , ,12-25,365,240,
12,300,698,483,432,381,32, ,12-25,415,350,
14,350,787,533,476,413,35, ,12-29,460,460,
16,400,864,597,540,470,37, ,16-29,495,580,
20,500,978,698,635,584,43, ,20-32,590,840,
24,600,1295,813, ,692,48, ,20-35,650,1140,
28,700,1448,927, ,800, , ,28-35,,,
300Lb
( )
(20K),,2,50,267,165,127,92, , ,8-19,190,28,
21/2,65,292,190,149,105, , ,8-22,205,33,
3,80,318,210,168,127,28,5, ,8-22,220,45,
4,100,356,254,200,157,32, ,8-22,245,70,
5,125,400,279,235,186,35, ,8-22,275,110,
6,150,444,318,270,216, , ,12-22,295,150,
8,200,533,381,330,270, , , ,330,230,
10,250,622,444, ,324,48, ,16-29,420,390,
12,300,711,521,451,381,51, ,16-32,480,520,
14,350,838,584, ,413,54, ,20-32,535,710,
16,400,864,648,5 ,470, , ,20-35,585,890,
20,500,1016,775,686, , , ,24-35,685,1360,
24,600,1364, ,813, ,70, ,24-41,785,2040,
600Lb
( ),,2,50,292,165,127,92,26, ,8-19,210,32,
21/2,65,330,190,149,100,29, ,8-22,230,42,
3,80,356,210,168,127,32, ,8-22,255,60,
4,100,432,273,216,157,38, ,8-25,295,95,
5,125,508,330, ,186,45, ,8-29,310,120,
6,150,559, ,292,216, , ,12-29,365,220,
8,200,660,4 ,349,270,56, ,12-32,420,390,
10,250,787,508,432,324, , ,16-35,505,630,
12,300,838,559,489,381, , ,20-35,545,870,
14,350,889, ,527,413,710, ,20-38,600,940,
16,400,991,686,603,470, , ,20-41,650,1100,

注：①如法兰密封面采用凸面以外的形式,请在订货时注明。2压力900、1500Lb止回阀尚有生产