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Q341F Worm Gear Liquefied Ball Valve Worm Gear Liquefied Ball Valve

Product overview

Product model: Q341F-25
Nominal diameter: DN15~800mm
Nominal pressure: PN1.0~2.5MPa
Main material: WCB, 1Cr13
Operating temperature: -29-150℃
Applicable medium: liquefied petroleum gas, natural gas

Q341F Worm Gear Liquefied Ball Valve Worm Gear Liquefied Ball Valve product details

Q341F Worm Gear Liquefied Ball Valve Overview:

Q341F Worm Gear Liquefied Ball Valve produced and sold by Baigang valve group Closure The ball rotates around the valve body centerline to open and close a valve. The seal is embedded in the valve seat. A spring is provided at the end of the metal valve seat. When sealing When worn or burned, push the valve seat and the ball to form a metal seal under spring action. It has a unique automatic pressure relief function, when the valve cavity medium pressure exceeds the spring preload, the outlet valve seat back away from the ball, to achieve automatic relief pressure relief valve seat automatically reset for water, solvents, acids And natural gas and other general working medium, but also for poor working conditions of media, such as oxygen, hydrogen peroxide, methane and ethylene, widely used in various industries.

Q341F Worm Gear Liquefied Ball Valve structural features:

1, a unique valve seat seal seat structure
with the front seal design, this structure has a two-way seal and the cavity automatically relief function. The sealing seat, inlaid with a sealing material, floats and is spring-loaded. When in the closed position, the sealing surface remains in intimate contact with the ball to ensure leak-tightness of the valve at both high and low pressure drops.
2, automatic pressure relief structure
When the cavity pressure abnormal increase phenomenon, the single seal structure of the ball valve with automatic pressure relief function, and double seal structure of the valve body pressure relief device on the additional pressure relief.
3, sealed emergency ambulance function
Valve design has an auxiliary valve seat emergency seal system. Once the sealing surface is damaged, the corresponding sealant can be injected through the auxiliary sealing system for emergency treatment and the seat area can be rinsed and lubricated by the auxiliary system when necessary.
4, anti-static device
When operating the valve, due to the friction between the ball seat, will have electrostatic charge and accumulate in the ball line. In order to prevent static sparks, special anti-static devices installed in the valve, the static electricity derived.
5, the fire structure
fixed ball valve seat with a unique structure, when a fire, the non-metallic sealing surface material burned, the metal ring spring with the elasticity of pushing the valve seat seal with the sphere, thus preventing the spread of fire and media outflow. (Fireproof structure design in line with API607, JB / T6899 and BS755),
6, the full diameter structure and reduced diameter structure
To meet user needs, far a company with all-diameter series of ball valves and reduced diameter series, full diameter ball valve pipe diameter Consistent with the pipe diameter, easy to clean, etc. Diameter reduction ball valve light weight, the fluid resistance is only part of the same diameter globe valve, the prospects are broader.
7, the body of the discharge device
according to customer requirements, the ball valve body to install the drain valve. Once both ends of the valve are closed, the back pressure in the valve chamber can be vented and relieved through the valve's drain valve.

Q341F Worm Gear Liquefied Ball Valve main parts material:

Body	Valve stem	Valve ball	Sealing surface	Gasket	filler	Operating temperature	Suitable media
WCB	1Cr13	1Cr13	1Cr13 Stellite alloy Body material	Flexible graphite Stainless steel plus flexible graphite 08 mild steel F304 F316	Flexible graphite Braided graphite	-29-150 ° C	LPG, natural gas
WC6	15CrMo	15CrMo				-29-150 ° C
WC9	25Cr2MoV	25Cr2MoV				-29-150 ° C
LCB	304	304				- 29-150 ° C
CF8	304	304				-29-150 ° C	LPG, natural gas
CF3	304L	304L
CF8M	316	316
CF3M	316L	316L

Q341F Worm Gear Liquefied Ball Valve main connection size and weight (GB)

Nominal diameter	standard value								Reference				Weight (kg)
	L		D	D1	D2	b	f	Z-Φd	H1	H2	H3	H4	Weight (kg)
	Flange	Butt welding	D	D1	D2	b	f	Z-Φd	H1	H2	H3	H4	Q47F	Q347F
mm	PN1.0 (Mpa)
15	108	165	95	65	46	14	2	4-Φ14	145		210	346	4.5
20	117	190	105	75	56	16	2	4-Φ14	152		220	352	5.5
25	127	216	115	85	65	16	2	4-Φ14	162		235	364	7
32	140	229	140	100	76	18	2	4-Φ18	175		255	382	11.5
40	165	241	150	110	84	18	2	4-Φ18	188		280	406	17
50	178	292	165	125	99	20	2	4-Φ18	205	228	308	430	22	31
65	190	330	185	145	118	20	2	4-Φ18	222	248	340	460	28	39
80	203	356	200	160	132	20	2	8-Φ18	242	270	380	494	41	52
100	229	432	220	180	156	22	2	8-Φ18	265	294	430	538	48	71
125	346	508	250	210	184	22	2	8-Φ18		322	490	588		103
150	394	559	285	240	211	24	2	8-Φ23		358	560	644		180
200	457	660	340	295	286	24	2	8-Φ23		406	640	704		290
250	533	787	395	350	319	26	2	12-Φ23		468	730	766		400
300	610	838	445	400	370	26	2	12-Φ23		538	830	830		540
350	686	889	505	460	429	26	2	16-Φ23		610	940	922		734
400	762	991	565	515	480	26	2	16-Φ26		682	1060	1020		1005
450	864	1092	615	565	530	28	2	20-Φ26		755	1180	1114		1372
500	914	1194	670	620	582	28	2	20-Φ26		832	1300	1204		1880
600	1450	1394	780	725	682	34	2	20-Φ30		922	1420	1290		2648
700	1650	1549	895	840	794	34	2	24-Φ30		1015	1540	1375		3828
800	1850	1778	1015	950	901	36	2	24-Φ34		1110	1650	1448		5462
PN1.6 (MPa)
15	108	165	95	65	46	14	2	4-Φ14	145		210	346	4.5
20	117	190	105	75	56	16	2	4-Φ14	152		220	352	5.5
25	127	216	115	85	65	16	2	4-Φ14	162		235	364	7
32	140	229	140	100	76	18	2	4-Φ18	185		255	382	11.5
40	165	241	150	110	84	18	2	4-Φ18	188		280	406	17
50	178	292	165	125	99	20	2	4-Φ18	205	228	308	430	22	31
65	190	330	185	145	118	20	2	4-Φ18	222	248	340	460	28	39
80	203	356	200	160	132	20	2	8-Φ18	242	270	380	494	41	52
100	229	432	220	180	156	22	2	8-Φ18	265	294	430	538	58	71
125	356	508	25	210	184	22	2	8-Φ18		322	490	588		103
150	394	559	285	240	211	24	2	8-Φ23		358	560	644		182
200	457	660	340	295	266	24	2	12-Φ23		406	640	704		292
250	533	787	405	355	319	26	2	12-Φ26		468	730	766		404
300	610	838	460	410	370	28	2	12-Φ26		538	830	830		545
350	686	889	520	470	429	30	2	16-Φ26		610	940	922		745
400	762	991	580	525	480	32	2	16-Φ30		682	1060	1020		1020
450	864	1092	640	585	548	34	2	20-Φ30		755	1180	1114		1392
500	914	1194	715	650	609	36	2	20-Φ34		832	1300	1204		1910
600	1450	1394	840	770	720	38	2	20-Φ36		922	1420	1290		2688
700	1650	1549	910	840	794	40	2	24-Φ36		1015	1540	1375		3878
800	1850	1778	1025	950	901	42	2	24-Φ39		1110	1650	1448		5522
PN2.5 (MPa)
15	140	165	95	65	46	14	2	4-Φ14	150		218	354	4
20	152	190	105	75	56	14	2	4-Φ14	158		228	360	5
25	165	216	115	85	65	16	2	4-Φ14	166		245	374	7.5
32	178	229	140	100	76	18	2	4-Φ18	180		265	392	11.5
40	190	241	150	110	84	18	2	4-Φ18	195		290	416	16
50	216	292	165	125	99	20	2	4-Φ18	216	240	320	442	21	30
65	241	330	185	145	118	22	2	8-Φ18	234	260	355	475	28	39
80	283	356	200	160	132	24	2	8-Φ18	252	280	394	508	41	52
100	305	432	235	190	156	24	2	8-Φ23	278	308	445	552	58	72
125	381	508	270	220	184	26	2	8-Φ26		345	512	610		104
150	403	559	300	250	211	28	2	8-Φ26		390	592	686		180
200	502	660	360	310	274	30	2	12-Φ26		455	690	754		284
250	568	787	425	370	330	32	2	12-Φ30		528	790	826		390

Reminder:

All text, data and pictures in this article are for reference only.To see more details of the Q341F Worm Gear Liquefied Ball Valve Worm Gear Liquefied Ball Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

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