H74TC陶瓷圆盘止回阀H74TC陶瓷圆盘止回阀

H74TC陶瓷圆盘止回阀用途性能：
本产品是我公司制造的*产品。它广泛用于电力、石化、冶金、建材等工艺控制系统的干渣、干灰、水渣、水灰、使用温度≤180℃， 物料颗粒直径≤50mm的输送系统中防止介质倒流装置。

http://www.zk-v.com/ProductShow_255.html

H74TC陶瓷圆盘止回阀用途性能：

本产品是我公司制造的*产品。它广泛用于电力、石化、冶金、建材等工艺控制系统的干渣、干灰、水渣、水灰、使用温度≤180℃， 物料颗粒直径≤50mm的输送系统中防止介质倒流装置。
工作原理：

H74TC陶瓷圆盘止回阀是防止介质倒流的自动阀门，流体从进口侧流向出口侧。止回阀的阀瓣在流体压力的作用下开启，介质倒流时靠阀瓣的自重或辅助 机构自动关闭，以防止介质倒流保护设备的正常运行。该产品的阀瓣、阀座密封面的材料均采用结构陶瓷制造，提高了阀门的耐磨性与耐冲刷 性，大大地延长了使用寿命。该产品在阀座上设有防止冲击的结构，以保护阀座抗冲击性。
主要零件材料。

型号	公称压力(MPa)	试验压力(MPa)		工作温度	适用温度
		壳体	密封
H74TC-10	1.0	1.5	1.1	≤200℃	灰渣、渣水混合物等介质
H74TC-16	1.6	2.4	1.76
H74TC-25	2.5	3.75	2.75
H74TC-40	4.0	6.0	4.4

                                                                                 

               H74TC耐磨陶瓷对夹止回阀外形尺寸图2                               H74TC耐磨陶瓷对夹止回阀外形尺寸图1  

主要外形连接尺寸

型号	公称通径 (mm)	d	L	D
				PN1.0	PN1.6	PN2.5	PN4.0
H74TC	50	25	22	109	109	109	109
	65	38	22	129	129	129	129
	80	46	22	144	144	144	144
	100	72	24	164	164	170	170
	125	95	26	194	194	186	186
	150	114	29	221	221	226	226
	200	140	43	271	275	286	293
	250	188	43	275	331	343	355
	300	：216	50	330	386	403	420
	350	263	52	440	446	460	477
	400	305	62	491	498	517	549
	450	356	62	541	558	567	574
	500	406	80	596	620	627	631
	600	482	90	698	‘737	734	750

 

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