Stainless steel flange ball valve-Global supplier

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13661441718
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No. 3 Longcao Road, Xuhui District, Shanghai

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Stainless steel flange ball valve

Stainless steel flange ball valves are developed using domestic and foreign technologies, with quality indicators such as wear resistance, pressure re

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Stainless steel flange ball valves are mainly used for cutting off or connecting media, and can also be used for fluid regulation and control. Compared with other types of valves, ball valves have the following advantages:
1. The fluid resistance is small, and ball valves have the lowest fluid resistance among all valve types. Even for reduced diameter ball valves, their fluid resistance is quite small.
2. The switch is fast and convenient. As long as the valve stem rotates 90 °, the ball valve completes the fully open or fully closed action, making it easy to achieve rapid opening and closing.
3. Good sealing performance. The sealing ring of the ball valve seat is generally made of elastic materials such as polytetrafluoroethylene, which is easy to ensure sealing, and the sealing force of the ball valve increases with the increase of medium pressure.
4. The valve stem seal is reliable. When the ball valve is opened and closed, the valve stem only rotates, so the packing seal of the valve stem is not easily damaged, and the sealing force of the valve stem reverse seal increases with the increase of medium pressure.
5. The opening and closing of the ball valve can only rotate 90 degrees, making it easy to achieve automation and remote control. The ball valve can be equipped with pneumatic, electric, hydraulic, pneumatic hydraulic or electro-hydraulic linkage devices.
6. The ball valve channel is flat and smooth, not easy to deposit media, and can be used for pipeline ball passing.

Main Performance Specification Capability Criteria

design and manufacturing	Structure length	Flange size	Pressure Temperature	Experiment Inspection
GB122237	GB12221	GB9113 JB79	GB9131	GB/T13927 JB/T9092

Pressure Test

Nominal Pressure	1.6	2.5	4.0
strength test Shell Test	2.4	3.8	6.0
Water seal test Water Seal Test	1.8	2.8	4.4
Airtight seal test Air Seal Test	0.4-0.7

Materials of main parts

valve body Body		ZG1Cr18Ni9Ti	CF8	CF3	ZG1Cr18Ni12Mo2Ti	CF8M	CF3M
Spherical valve stem Ball Stem		1Cr18Ni9Ti	304	304L	1Cr18Ni12Mo2Ti	316	316L
valve seat Seat	Polytetrafluoroethylene (PTFE) reinforced with slope fiber PTFE+Glass para polystyrene (PPL)
shim Shim	PTFE Stainless Steel/Flexible Graphite Toothed Gasket Tooth Profile Gasket
Valve stem seat Stem Seat	PTFE Stainless Steel/Flexible Graphite
filler Packing	PTFE Enhanced Flexible Graphite
Packing gland Gland		1Cr18Ni9Ti	304	304L	1Cr18Ni12Mo2Ti	316	316L
temperature Temperature	-29 ℃~150 ℃ (PTFE) -29 ℃~200 ℃ (PTFE+GLASS with glass fiber reinforced PTFE) -29 ℃~300 ℃ (para poly (p-phenylene) PPL)
medium Medium	Steam oil products Water steam Oil goods	Nitric Acid		Strong oxidizing medium strongey oxidable medium	Acetic Acid		Urea class

Main outer size

1.6MPa	DN	L	D	D1	D2	b	n-φd	H	D0
raised face flange RF Q41F Q41PPL 16C 16P 16R	15	130	95	65	45	14	4-14	78	140
	20	140	105	75	55	14	4-14	84	160
	25	150	115	85	65	14	4-14	95	180
	32	165	135	100	78	16	4-18	150	250
	40	180	145	110	85	16	4-18	150	300
	50	200	160	125	100	18	4-18	170	350
	65	220	180	145	120	20	4-18	195	350
	80	250	195	160	135	20	8-18	215	400
	100	280	215	180	155	20	8-18	250	500
	125	320	245	210	185	22	8-18	265	600
	150	360	280	240	210	24	8-23	270	800
	200	400	335	295	265	26	12-23	330	1200
2.5MPa	15	130	95	65	45	16	4-14	103	140
raised face flange RF Q41F Q41PPL 25 25P 25R	20	140	105	75	55	16	4-14	112	160
	25	150	115	85	65	16	4-14	123	180
	32	165	135	100	78	18	4-18	150	250
	40	180	145	110	85	18	4-18	156	300
	50	200	160	125	100	20	8-18	172	350
	65	220	180	145	120	22	8-18	197	350
	80	250	195	160	135	22	8-23	222	400
	100	280	230	190	160	24	8-23	253	500
	125	320	270	220	188	28	8-25	275	600
	150	360	300	250	218	30	8-25	286	800
	200	400	360	310	278	34	12-25	340	1200

Specification Main Dimensions

4.0MPa	DN	L	D	D1	D2	D6	b	n-φd	H	D0
Concave convex flange MFM Q41F Q41PPL 40 40P 40R	15	130	95	65	45	40	16	4-14	103	140
	20	140	105	75	55	51	16	4-14	112	160
	25	150	115	85	65	58	16	4-14	123	160
	32	180	135	100	78	66	18	4-18	150	250
	40	200	145	110	85	76	18	4-18	156	250
	50	220	160	125	100	88	20	4-18	172	350
	65	250	180	145	120	110	22	8-18	197	350
	80	280	195	160	135	121	22	8-18	222	450
	100	320	230	190	160	150	24	8-23	253	450
	125	400	270	220	188	176	28	8-25	275	600
	150	400	300	250	218	204	30	8-25	286	800
	200	550	375	320	282	260	38	12-30	340	1200
6.4MPa	15	165	105	75	55	40	18	4-14	105	140
Concave convex flange MFM Q41F Q41PPL 64 64P 64R	20	190	125	90	68	51	20	4-18	125	160
	25	216	135	100	78	58	22	4-18	135	250
	32	229	150	110	82	66	24	4-23	150	350
	40	241	165	125	95	76	24	4-23	165	350
	50	292	175	135	105	88	26	4-23	175	450
	65	330	200	160	130	110	28	8-23	200	450
	80	356	210	170	140	121	30	8-23	210	600
	100	432	250	200	168	150	32	8-25	250	700
	125	508	295	240	202	176	36	8-30	295	1100
	150	559	340	280	240	204	38	8-34	340	1500

What are the main products of Shanghai Qianze Valve?

前泽阀门
The company has already developed and operatedvalvehave
Ball valves, gate valves, butterfly valves, bottom valves, sight glasses, globe valves, check valves, solenoid valves, pressure reducing valves, regulating valves, safety valves, drain valves, discharge valves, needle valves, angle seat valves, balance valves, pipe clamp valves, plunger valves, drain valves, mud discharge valves, flame arresters, breathing valves, filters, exhaust valves, shut-off valves, diaphragm valves, plug valves, water control valves, sanitary valves, imported valve brands, FRING valves from Germany, KITZ valves from Japan, VENN valves from Japan, and so on. The above products are widely used in water, gas, liquid and other media in industries such as chemical, metallurgical, power, water conservancy, urban construction, oil refining, environmental protection, textile, etc. Qianze Company has established a multi-level quality monitoring and assurance system to ensure that product quality meets various international quality system certification standards such as ISO9001 (GB, API, DIN, JIS), actively building the Qianze brand and striving to become a world-class valve supplier.
What services does Shanghai Qianze Valve provide?
前泽阀门
Pre sales service: We provide you with detailed product information manuals and diverse product selection space for free.
In sales service: Based on your needs, we provide on-site guidance, installation, and debugging with the fastest and most responsible spirit and attitude to ensure the normal and safe use of the product;
After sales service: Discover problems and solve them in a timely manner. During the warranty period, we offer products with guaranteed returns, exchanges, and repairs. After the warranty period, we provide paid lifetime services for the products.

How is our product made?
The valves we sell are based on high starting points, new technologies, and high quality, which are the basic requirements of Fangzheng for equipment. We not only attach importance to the progressiveness of each single equipment, but also attach importance to making the overall equipment get a qualitative leap and good daily maintenance, so that each machine can play its best performance.

Our company's products include American standard, German standard, gate valve, globe valve, check valve, ball valve (especially large-diameter ball valve 46 "Class600), API6A, mud valve, with high technical content and competitiveness in the same industry. The company has established R&D and design offices to engage in product research and development in different fields.

At present, the center has a complete set of equipment for research and development, including universal valves (gates, interceptors, stoppers, balls, butterflies), testing devices, CAD drawing machines, chemical composition analyzers, physical tests, tensile testers, spectrometers, thickness gauges, hardness testers, etc. Especially advanced devices in the same industry include fire testing devices, low-temperature testing devices API6A、 Oil tree testing equipment, etc. Our company currently has 50 sets of various R&D and testing equipment, which fully adapt to the inspection and testing conditions of products in all aspects.

Specially equipped with a technical center product prototype trial workshop for product research and development, design, testing, and other work.

In recent years, our company's products have been directly sold abroad, and foreign customers have particularly strict requirements for our products. Therefore, we have to research and develop new products every year. The product structure is novel, the performance is advanced, and it is suitable for different customer needs. It has received high praise from foreign customers, with a continuous stream of orders and insufficient product supply. For many years, our export trade volume has ranked first in the same industry.

Equipment testing process

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