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Home > Products > Plunger valve > Plunger valveU41SM(F)

Description Material Performance Product Size Specifications

The structure characteristic of plunger valve is controlled by a stainless steel piston and the upper and lower two elastic sealing ring, sealing ring and fixed up and down and can keep the distance of metal framework, plunger is like a cork generally inserted into the two sealing ring formed in the cylindrical contact seal, the sealing area is large than traditional cut-off valve, sealing efficiency is very high, the sealing ring to prevent external leakage, plays a role of inner seal ring, if after a long time with leakage, pressure can be covered by adjusting the retaining bolt (valve mouth closed) first make the seal ring on the seal pressure increase, caused by the component increases, The seal ring that makes it leak is heavy machine press to restore seal, our factory passes the seal test of many times of interference close batch to cooperate, determined reasonable interference seal value, through reciprocating movement millions of times, still can provide good seal effect reliably.

Note: parameters are for reference only, or incomplete. Valves can be selected according to the requirements of different pressure, material, diameter, driving mode. Please contact us by phone or online.

Serial number	Part name	Gray cast iron	cast steel	Stainless steel
Z	C	P
1	Valve body valve cover	HT200	WCB	ZG1Cr18Ni9Ti
2	Plunger	ZG1Cr18Ni9Ti	ZG1Cr18Ni9Ti	ZG1Cr18Ni9Ti
3	The stem	45	45	1Cr18Ni9Ti
4	Seal ring	PTFE + graphite + high elastic rubber (type 8202)

Model	Nominal pressure(Mpa)	Test pressure(Mpa)		working temperature		Applicable medium
Strength	Seal up
U41SM-16C	1.6	2.4	1.76	-20-250°C	instantaneous≤300°C	Water, steam, oil, ammonia, acetic acid, copper ammonia solution and acid medium, etc.
U41SM-25	2.5	3.75	2.75
U41SM-40	4.0	6.0	4.4

Model	Nominal diameterDN	L	D	D1	D2	f	b	z-фd	Do	H	H1	W(kg)
U41SM-16C	15	130	95	65	45	2	14	4-14	80	116	144	2.8
20	150	105	75	55	16	142	176	5
25	160	115	85	65	100	163	205	6.5
32	180	135	100	78	18	4-18	120	182	227	8.5
40	200	145	110	85	3	180	210	260	12
50	230	160	125	100	20	230	286	17
65	290	180	145	120	200	250	310	22
80	310	195	160	135	22	8-18	240	269	340	30
100	350	215	180	155	24	278	356	41
125	400	245	210	185	26	375	332	440	70
150	480	280	245	210	28	8-23	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	650	850	340
U41SM-25	15	130	95	65	45	2	16	4-14	80	116	144	3
20	150	105	75	55	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	180	210	260	12.4
50	230	160	125	100	20	230	286	17.5
65	290	180	145	120	22	8-18	200	250	310	22.6
80	310	195	160	135	240	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	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
U41SM-40	15	130	95	65	45	2	16	4-14	80	116	144	3
20	150	105	75	55	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	180	210	260	12.4
50	230	160	125	100	20	230	286	17.5
65	290	180	145	120	22	8-18	200	250	310	22.6
80	310	195	160	135	240	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	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