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HH44X微阻緩閉止回閥產品概況

HH44X微阻緩閉消聲止回閥產品簡介:

HH44X微阻緩閉消聲止回閥可用在清水、污水、海水等介質的排水水泵出口管道上，既能用于防止停泵時有壓水流對水泵的沖擊，又能防止介質的倒流，保證管線的使用安全。它具有結構新穎、體積小、重量輕、流體阻力小、密封可靠、啟閉平穩、使用壽命長、關閉無噪聲等特點。

Product Brief Introduction:

The valve is installed at the outlet of pump and suited to prevent media from flowing backwards and eliminate effectively damageable water hammer in pipelines flowing media of fresh water , polluted water , sea water. It has character as followings: modern structure ,small volume ,light weight ,low resistance ,reliable seal ,stable operation , long duration ,small volume.

HH44X微阻緩閉消聲止回閥主要性能參數：Main Performance Parameters:

公稱壓力Nominal Pressure( bar)		10	16
適用溫度 Suitable Temp ( ^oC )		≤85
試驗壓力（MPa） TestingPressure	殼體Shell	1.5	2.4
	密封Seal	1.1	1.76
適用介質 Suitable Media		水、污水、海水等 Water, polluted water , sea water
設計標準Design Standard		GB/T 12232-2005
試驗檢驗標準 Test and check up standard		GB/T 13927-1992
結構長度標準Face to face dimensions		GB/T 12221
法蘭連接標準Flange Standard		GB/T 17241.6-98

HH44X微阻緩閉消聲止回閥主要零部件材質：Materials of Main Parts:

名稱 Name	材料 Material
閥體 Body	灰鑄鐵，鑄鋼 Cast Iron，Carbon Steel
閥瓣Valve petal	不銹鋼Stainless Steel
閥桿、活塞Stem、Piston	不銹鋼Stainless Steel
彈簧Spring	不銹鋼Stainless Steel
閥座Seat	不銹鋼Stainless Steel

HH44X微阻緩閉消聲止回閥主要外形尺寸及連接尺寸：Outline Dimensions & Connection Dimensions:

DN(mm)	D	D1	D2	n-Φd	L	H
50	165	125	100	4-Φ18	230	260
65	185	145	120	4-Φ18	290	320
80	200	160	135	8-Φ18	310	254
100	220	180	155	8-Φ18	350	288
125	250	210	185	8-Φ18	400	325
150	285	240	210	8-Φ23	480	400
200	340	295	265	12-Φ23	500	460
250	395/405	350/355	320	12-Φ23/12-Φ28	600	510
300	445/460	400/410	375/370	12-Φ23/12-Φ28	700	590
350	505/520	460/470	435/429	16-Φ23/16-Φ28	800	650
400	565/580	515/525	482/480	16-Φ28/16-Φ31	900	.750
500	670/715	620/650	608/608	20-Φ28/20-Φ34	1100	860
600	780/840	725/770	718/720	20-Φ31/20-Φ37	1300	1030
700	895/910	840/840	788/794	24-Φ30/24-Φ37	1400	1270
800	1015/1025	950/950	898/901	24-Φ33/34-Φ41	1500	1510