DSJ41H Flanged water seal globe valve

Product Name:	Flanged water seal globe valve	Product Model:	DSJ41H
Nominal diameter:	DN10 to DN150	Structural form:	cutoff
Nominal pressure:	1.0MPa to 10.0MPa	Connection method:	Flange, welding
Applicable temperature:	-29ºC to +550ºC	Drive mode:	Manual, electric
Body material:	Cast steel, stainless steel	Standard:	GB, German DIN, American API, ANSI
Applicable media:	Water, oil, steam, air	Manufacturer:	Xuan Cheng Valve Co., LTD

Product Description

DSJ41H flanged water seal globe valve with parallel double sealing pair semi-forced bidirectional seal, sealing surface in place movement and wedge wedge movement step by step to achieve zero leakage. It is suitable for condensing and vacuum negative pressure system of steam engine in thermal power plant, and plays the role of vacuum isolation and sealing.

Product Features

1, the product is designed and manufactured according to JB/T3595 standard to meet the requirements of power station equipment supporting use.
2. Vacuum sealing structure packing room, reliable vacuum isolation.
3, the valve stem has good corrosion resistance, abrasion resistance and wear resistance.
4, the expansion coefficient is large, the airtight performance is good, the system and the atmosphere isolation is reliable.

Product standard

Design criteria	Structural length	Connecting flange	Test and inspection	Pressure - temperature
JB/T3595	GB/T15188.1	JB/T79.1-94	GB13927 JB/T9092	GB/T3595

Performance Specifications

Nominal pressure	Test pressure
Nominal pressure	Shell	Seal (water)	Seal (gas)	Upper seal
1.0	1.5	1.1	0.6	1.1
1.6	2.4	1.8		1.8
2.5	3.8	2.8		2.8
4.0	6.0	4.4		4.4
6.4	9.6	7.0		7.0
10.0	15.0	11.0		11.0

Scope of application

Housing material	Applicable media	Applicable temperature
Carbon steel (C)	Water, steam, oil products	425 or less
Chrome-molybdenum steel (I)	Water, steam, oil products	550 or less
Chrome-nickel stainless steel (P)	Nitric acid	200 or less
Chromel nickel Molybdenum stainless Steel (R)	Acetic acids	200 or less

Materials for main parts

Part name	Materials
Body	WCB	ZG1Cr5Mo	ZG1Cr5Mo	ZG1Cr18Ni12Mo2Ti
Disc/seat	WCB	1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
Bonnet	WCB/25	ZG1Cr5Mo	ZG1Cr5Mo	ZG1Cr18Ni12Mo2Ti
Valve stem	2Cr13	1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
Stuffing	Lead green combo stuffing
Stem nut	Aluminum bronze
Handwheel	Malleable cast iron

DSJ41H/Y water seal globe valve Main dimensions (mm) :

Model number	DN	L	D	D1	D2	d	Z - Φ	Dn	H	Do	Electric H1
DSJ41H/Y -16C/P/R/I DSJ941H/Y -16C/P/R/I	15	130	95	65	45	14	4-14	12	245	120	552
	20	150	105	75	55	14	4-14	18	265	140	557
	25	160	115	85	65	14	4-14	25	270	160	562
	32	180	135	100	78	16	4 to 18	31	285	180	572
	40	200	145	110	85	16	4 to 18	38	300	200	625
	50	230	160	125	100	16	4 to 18	49	355	240	660
	65	290	180	145	120	18	4 to 18	66	415	280	690
	80	310	195	160	135	20	8 to 18	78	425	280	715
	100	350	215	180	155	20	8 to 18	96	470	320	770
	125	400	245	210	185	22	8 to 18	121	500	360	810
	150	480	280	240	210	24	8-23	146	570	400	1060
DSJ41H/Y -25P/R/I DSJ941H/Y -25P/R/I	15	130	95	65	45	16	4-14	12	245	120	552
	20	150	105	75	55	16	4-14	18	265	140	557
	25	160	115	85	65	16	4-14	25	270	160	562
	32	180	135	100	78	18	4 to 18	31	285	180	572
	40	200	145	110	85	18	4 to 18	38	300	200	625
	50	230	160	125	100	20	4 to 18	49	355	240	660
	65	290	180	145	120	22	8 to 18	66	415	280	690
	80	310	195	160	135	22	8 to 18	78	425	280	715
	100	350	230	190	160	24	8-23	96	470	320	770
	125	400	270	220	188	28	8-25	121	500	360	810
	150	480	300	250	218	30	8-25	146	570	400	1060

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