QH42 QH41

NegotiableUpdate on July 04

Model

Nature of the Manufacturer: Other

Product Category: Check valve

Place of Origin: City, Province

Online Consult Contact Information

Overview

QH42 QH41

Product Details

The sealing principle consists of a stainless steel valve flap with a spherical surface and a non metallic material sealing ring which is wear-resistant, high temperature resistant and resilient, and has good sealing performance and long service life. Horizontal vertical pipe can be installed, can be used for petroleum, chemical, water supply and drainage system to control the flow of media in the system back, and automatic shutdown function. Is a kind of ideal non leakage energy saving check valve.

Part name	Material Science
	QH41 42M-16	QH41 42M-25Q
valve body	HT200	QT450-10
Valve	Stainless steel
Seal ring	Composite graphite

Model	Nominal pressure （MPa）	Test pressure（MPa）			working temperature（℃）	Applicable medium
		housing	Seal (liquid)	Seal (gas)
QH41 42M-16	1.6	2.4	1.8	0.6	≤250℃	Water, steam, oil
QH41 42M-25Q	2.5	4.0	2.8

Model	Nominal diameter	size（mm）
		L	D	D1	D2	b-f	z-Φd
QH41 42M-16	15	130	95	65	45	16-2	4-14
	20	150	105	75	55	16-2	4-14
	25	160	115	85	65	16-2	4-14
	32	180	135	100	78	18-2	4-18
	40	200	145	110	85	18-3	4-18
	50	230	160	125	100	20-3	4-18
	65	290	180	145	120	20-3	4-18
	80	310	195	160	135	22-3	8-18
	100	350	215	180	155	24-3	8-18
	125	400	245	210	185	26-3	8-18
	150	480	280	240	210	28-3	8-23
	200	600	335	295	265	30-3	12-23
	250	730	405	355	320	32-3	12-25
QH41 42M-25Q	15	108	95	65	45	16-2	4-14
	20	117	105	75	55	16-2	4-14
	25	127	115	85	65	16-2	4-14
	32	140	135	100	78	18-2	4-18
	40	165	145	110	85	20-3	4-18
	50	203	160	125	100	20-3	4-18
	65	216	180	145	120	22-3	8-18
	80	241	195	160	135	22-3	8-18
	100	292	230	190	160	24-3	8-23
	125	330	270	220	180	28-3	8-25
	150	356	300	250	218	30-3	8-25
	200	495	360	310	278	34-3	12-25
	250	622	425	370	335	36-3	12-30
	300	698	485	430	389	38-4	16-30