Application / Purpose This valve is suitable for pipelines handling media such as water, steam, and oil products. It is used as a one-way on-off device to prevent backflow of the medium.

Performance Specification
Model	Nominal Pressure (MPa)	Shell Test Pressure (MPa)	Seat Test Pressure (MPa)	Operating Temperature (℃)	Applicable Medium
H44T-10/16Q	1	1.5	1.1	≤200	Water, Steam
H44W-10/16Q	1	1.5	1.1	≤100	Oil Products
H44H-10/16Q	1	1.5	1.1	≤85	Water
H44F-10/16Q	1	1.5	1.1	≤120	Water, Steam

 

Main Parts Materials
Part Name	H44T-10/16Q	H44W-10/16Q	H44H-10/16Q	H44F-10/16Q
Body, Bonnet	Ductile Iron	Ductile Iron	Ductile Iron	Ductile Iron
Disc	Ductile Iron + Brass	Ductile Iron	Ductile Iron + Stainless Steel	Ductile Iron + PTFE

 

Main Overall & Connection Dimensions
Model	Nominal Diameter DN(mm)	L(mm)	D(mm)	D1(mm)	D2(mm)	Z-Φd	H(mm)
H44T-10/16Q H44W-10/16Q H44H-10/16Q H44F-10/16Q	40	200	145	110	85	4-Φ18	110
	50	230	160	125	100	4-Φ18	122
	65	290	180	145	120	4-Φ18	136
	80	310	195	160	135	4-Φ18	155
	100	350	215	180	155	8-Φ18	160
	125	400	245	210	185	8-Φ18	188
	150	480	280	240	210	8-Φ23	224
	200	495	335	295	265	8-Φ23	252
	250	622	390	350	320	12-Φ23	285
	300	698	440	400	368	12-Φ23	351
	350	795	500	460	428	16-Φ23	405
	400	900	565	515	482	16-Φ25	460
	500	980	670	620	585	20-Φ25	485