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Stainless steel flange plunger valve

Model: U41SM
Nominal diameter: DN15 ~ 400mm
Nominal pressure: PN1.6 ~ 6.4MPa
Temperature: ≤300 ℃
Main material: steel, stainless steel, gray cast iron
Operation: manual, bevel gear, an electric
design criteria: GB12233 -89,12235-89
Structure length: GB12221-89
Connection standards: GB79-59, GB113.1 ~ 9113.26
Pressure test: ZBJ160006, GB4981

First, U41SM stainless steel flange plunger valve structure and features
1, the plunger valve is composed of the valve body, valve cover, stem, plunger, hole frame, dense ring, hand wheel and other components (pictured). When the hand wheel is rotated, the plunger is driven by the valve rod to reciprocate up and down in the middle of the hole frame to complete the function of opening and closing the valve.
2, the valve plunger and the seal ring between the interference fit, by adjusting the gland flange bolts, the sealing ring is compressed by the product of the lateral force and the valve body bore and plunger outer seal to ensure The sealing of the valve to eliminate the internal leakage, while the valve opening moment is small, to achieve the rapid opening and closing of the valve.
3, the seal ring with resilient, wear-resistant non-toxic new sealing materials, with long-term high temperature, high pressure without losing flexibility, so the sealing performance is reliable, durable.

Second, the U41SM stainless steel flange plunger valve installation and maintenance
1, the plunger valve factory by ZBJ16006 are tested, acceptance, use only the appearance and cavity clean, do not have to disassemble and replace.
2, the plunger valve can be installed in any position, see the valve body flow direction of an arrow shown.
3, after a period of use of sealing ring wear and leakage if the valve must be closed first, then the flange bolts evenly tightened even without leakage can be replaced at the same time should be replaced to prevent the plunger and the new seal Ring cracks and bumps.
4, in a short time, alternating hot and cold pipes in large temperature, the plunger valve can not be used.

Third, U41SM stainless steel flange plunger valve ring material

On the ring material	Lower ring material
Tetrafluoroethylene plus flexible graphite (PTFE)	Tetrafluoroethylene plus flexible graphite (PTFE)

Fourth, U41SM stainless steel flange plunger valve parameters and performance indicators

model	Nominal pressure (Mpa)	Test pressure (Mpa)		Operating temperature		Suitable media
		strength	seal
U41S-16	1.6	2.4	1.76	-20 ~ 250 ° C	≤300 ° C	Water, steam, oil, ammonia, copper acetate ammonia solution and acidic medium
U41S-25	2.5	3.75	2.75
U41S-40	4.0	6.0	4.4

Fifth, U41SM stainless steel flange plunger valve parts of the main material

Serial number	Part Name	grey cast iron	Cast steel	stainless steel
Serial number	Part Name	Z	C	P
1	Body valve cover	HT200	WCB	ZG1Cr18Ni9Ti
2	Plunger	ZG1Cr18Ni9Ti	ZG1Cr18Ni9Ti	ZG1Cr18Ni9Ti
3	Valve stem	45	45	1Cr18Ni9Ti
4	Seal ring	PTFE + graphite + high elastic plastic (8202 type)

Sixth, U41SM stainless steel flange plunger valve main dimensions

model	Nominal diameter DN	L	D	D1	D2	f	b	z-фd	Do	H	H1	W (kg)
U41S-16-16C	15	130	95	65	45	2	14	4-14	80	116	144	2.8
	20	150	105	75	55		16		80	142	176	5
	25	160	115	85	65		16		100	163	205	6.5
	32	180	135	100	78		18	4-18	120	182	227	8.5
	40	200	145	110	85	3	18		180	210	260	12
	50	230	160	125	100		20		180	230	286	17
	65	290	180	145	120		20		200	250	310	22
	80	310	195	160	135		22	8-18	240	269	340	30
	100	350	215	180	155		24		240	278	356	41
	125	400	245	210	185		26		375	332	440	70
	150	480	280	245	210		28	8-23	375	434	562	90
	200	600	335	295	265		30	12-23	460	498	660	120
	250	730	405	335	320		32	12-25		540	720	220
	300	850	460	410	375	4	34	12-25		650	850	340
U41S-25	15	130	95	65	45	2	16	4-14	80	116	144	3
	20	150	105	75	55				80	142	476	5.2
	25	160	115	85	65				100	163	205	6.8
	32	180	135	100	78		18	4-18	120	182	227	8.9
	40	200	145	110	85	3	18		180	210	260	12
	50	230	160	125	100		20		180	230	286	18
	65	290	180	145	120		22	8-18	200	250	310	23
	80	310	195	160	135		22	8-18	240	269	340	31
	100	350	230	190	160		24	8-23	240	278	356	44
	125	400	270	220	188		28	8-25	375	332	440	78
	150	480	300	250	218		30	8-25	375	434	562	100
	200	600	360	310	278		34	12-26	460	498	660	134
	250	730	425	370	332		36	12-30		540	720	220
	300	850	485	430	390	4	40	16-30		650	850	340
U41S-40	15	130	95	65	45	2	16	4-14	80	116	144	3
	20	150	105	75	55				80	142	176	5.2
	25	160	115	85	65				100	163	205	6.8
	32	180	135	100	78		18	4-18	120	182	227	8.9
	40	200	145	110	85	3	18		180	210	260	12
	50	230	160	125	100		20		180	230	286	18
	65	290	180	145	120		22	8-20	250	310	23
	80	310	195	160	135		22	8-23	269	340	31
	100	350	230	190	160		24	8-23	278	356	44
	125	400	270	220	188		28	8-25	375	332	440	78
	150	480	300	250	218		30	8-25	375	434	562	100
	200	600	375	320	282		38	12-30	460	498	660	134
	250	730	445	385	345		42	12-34		540		220
	300	850	510	450	408	4	46	16-34		650		340

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