Zhejiang Yongding Valve Co. Ltd.

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Zhejiang Yongding Valve Co. Ltd.

Address: Wenzhou City, Zhejiang Province, Yongjia County Oubei five - star industrial area on the 3rd Jingdong Road
Tel: 86-0577-67321126 67920318 67920317
Cell phone: 86-13732008686
Contact: manager Chen 13758737865
Fax: 86-0577-67995661
QQ:1813139209
URL: http://www.yongdingv.com

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H71H、H71W 型 PN10~PN40 对夹升降式止回阀由阀体、阀瓣、弹簧等组成，水平或垂直安装于管路系统，防止介质倒流。

【产品特点】

1、具有结构短、体积小、质量轻

2、阀瓣关闭快速，水锤压力小

3、流道通畅，流体阻力小；动作灵敏，密封性能好

【性能参数】

型号	公称通径	试验压力		工作温度	适用温度
		壳体	密封
H71H-16Q	1.6	2.4	1.76	≤235℃	水、蒸气、油品等
H71H-25Q	2.5	3.75	2.75	≤235℃
H71W-25H				≤300℃
H71W-25P				≤200℃	硝酸等腐蚀性介质
H71W-40H	4.0	6.0	4.4	≤300℃
H71W-40P				≤200℃	水、蒸气

主要外形和连接尺寸

公称通径 DN(mm)	L	D
公称通径 DN(mm)	L	1.6	2.5	4．0
15	25	48	48	48
20	31.5	58	58	58
25	35.5	68	68	68
32	40	80	80	80
40	45	90	90	90
50	56	105	105	105
65	63	125	125	125
80	71	140	140	140
100	80	160	165	165
125	110	190	195	195
150	125	215	225	225
200	160	270	285	290
250	200	330	340	350
300	250	385	400	415

【结构图片】

【Last one】·升降式止回阀H41H 【Next article】·对夹式止回阀H76H

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