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Gdc-j series electromagnetic high vacuum flapper valve gdcgdc-j electromagnetic flapper valve

price:USD$2769.00
discount 70% in 2018-09-24 to 2018-09-26
price: USD$ 1938.30
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GDC-J series electromagnetic high vacuum flapper valve is a valve which is opened or closed by electromagnetic force and spring reset force. It is suitable for opening or separating airflow in vacuum system. When the valve is closed, the upper side of the sealing surface of the valve plate is allowed to bear atmospheric pressure, and the lower side is vacuum. Under this condition, the valve plate can be opened normally after the power box is connected to the power supply.
The suitable working medium is air, non corrosive and dust free gas.

Main technical performance
 
Scope of application (Pa)
105~6.7x10-4
Valve leakage rate (Pa.L/S)
≤6.7x10-4
Applicable temperature (DEG)
-25~+40
Coil temperature rise (DEG)
≤65
Open and close time (S)
3~5
Power supply voltage (V/Hz)
220±10%/50
Installation method
vertical
 
(Figure 1) (KF) connection and outline dimensions
 
Model
Path diameter (DN)
ΦW
ΦD
ΦB
H
A
Flange standard
GDC-J16A/KF
16
68
30
17.2
186
40
GB4982
GDC-J25A/KF
25
82
40
26.2
193
50
GDC-J40/KF
40
110
55
41.2
270
65
GDC-J50A/KF
50
125
75
52.2
307
70
/
 
(Figure two) connection and outline dimensions
 
Model
Path diameter (DN)
ΦW
ΦB
H
h
bxb
n-b
Flange standard
GDC-J16A
16
68
42
165
28
48x48
4-M5
JB919
GDC-J25A
25
82
55
190
35
58x58
4-M6
GDC-J32
32
92
64
217
40
68x68
4-M6
GDC-J40
40
110
70
240
44
80x80
4-M6
GDC-J50A
50
125
90
285
56
95x95
4-M8
GDC-J65
65
135
105
315
65
115x115
4-M8
GDC-J80
80
165
125
358
75
140x140
4-M8

 

 

GDQ series pneumatic high vacuum flapper valve


GDQ series pneumatic high vacuum flapper valve (also called the angle valve) is the use of compressed air as a driving force, through the electromagnetic valve to change the direction of air passage, push the cylinder piston moves up and down, to drive the valve stem up and down movement, the valve plate is opened or closed, which can turn on or cut off the gas flow in the vacuum system to. GDQ-J type is angle pass type, GDQ-S type is three pass type with pre pumping. The suitable working medium is air and non corrosive gas.

Main technical performance
 
Scope of application (Pa)
105~1.3x10-4
Valve leakage rate (Pa.L/S)
≤1.3x10-6
Medium temperature (c)

-25 ~ +80 (sealing material is NBR)
-30 ~ +150 (sealing material is fluorine rubber)

Gas source pressure (MPa)
0.4~0.8
Installation position
DN < 300 arbitrary DN = 300 vertical
supply voltage
Standard factory: AC220V/50Hz
Special designation: AC110V; DC24V; DC12V, etc.
Signal feedback
Standard factory: without feedback signal
Special specified: magnetic switch DC/AC5 ~ 240V
 
(Figure 1) (KF) connection and outline dimensions
 
Model
Path diameter (DN)
ΦD
ΦB
H
A
Flange standard
GDQ-J10/KF
10
30
12.2
180
30
GB4982
GDQ-J16/KF
16
30
17.2
180
40
GDQ-J25/KF
25
40
26.2
200
50
GDQ-J40/KF
40
55
41.2
210
65
GDQ-J50/KF
50
75
52.2
276
70
/
 
(Figure two) looper flange connections and dimensions
 
Model
Path diameter (DN)
ΦD
ΦB
H
A
n-ΦC
DNy (pre pumping)
n-Mb
Flange standard
GDQ-J50
50
110
90
276
70
4-Φ9
/
/
GB/T6070
GDQ-J63
63
130
110
283
88
GDQ-J80
80
145
125
314
88
8-Φ9
GDQ-J100
100
165
145
338
108
GDQ-J125
125
200
175
424
128
8-Φ11
GDQ-J(S)150
150
220
195
482
138
DN40(GB4982)
JB919
GDQ-J(S)160
160
225
200
482
138
GB/T6070
GDQ-J(S)200
200
285
260
620
200
12-Φ11
DN50(GB/T6070)
GDQ-J(S)250
250
335
310
655
208
DN63(GB/T6070)
GDQ-J(S)300
300
380
350
783
250
8-Φ14
DN80(GB/T6070)
JB919
GDQ-J(S)320
320
425
395
789
250
12-Φ14
GB/T6070
GDQ-J(S)400
400
510
480
1210
330
16-Φ14
DN100(GB/T6070)
16-M12
GDQ-J(S)400
400
500
465
1210
330
8-M16
JB919
GDQ-J(S)500
500
610
580
1270
360
DN125(GB/T6070)
16-M10
GB/T6070
GDQ-J(S)600
600
710
670
1562
450
12-Φ21
DN160(GB/T6070)
12-M18
JB919
GDQ-J(S)630
630
750
720
1562
450
20-Φ14
20-M10
GB/T6070
GDQ-J(S)800
800
920
890
1900
520
24-Φ14
DN200(GB/T6070)
24-M10
Note: the dead flange n-Mb is used at the bottom of DN400.

 

 GD-J high vacuum flapper valve






GD-J series high vacuum flapper valve (also called angle valve) is used in vacuum system to cut off or connect air flow. The drive parts are driven by screw, and the lifting valve plate is light and reliable. GD-J is an angle pass type, and GD-S is a three pass type with pre pumping.
The suitable medium is air and non corrosive gas.

Main technical performance
 
Scope of application (Pa)
2x105~1.3x10-4
Valve leakage rate (Pa.L/S)
≤1.3x10-6
Medium temperature (c)

-25 ~ +80 (sealing material is NBR)
-30 ~ +150 (sealing material is fluorine rubber)

Installation position
Arbitrarily
 
(Figure 1) (KF) connection and outline dimensions
 
Model
Path diameter (DN)
ΦD
ΦB
H
A
?
ΦW
Flange standard
GD-J10/KF
10
30
12.2
122
30
?
36
GB4982
GD-J16/KF
16
30
17.2
132
40
?
36
GD-J25/KF
25
40
26.2
158
50
?
50
GD-J40/KF
40
55
41.2
180
65
?
56
GD-J50/KF
50
75
52.2
278
70
?
100
/
 
(Figure two) looper flange connections and dimensions
 
Model
Path diameter (DN)
ΦD
ΦB
H
A
ΦW
n-ΦC
DNy (pre pumping)
Flange standard
GD-J50
50
110
90
278
70
100
4-Φ9
/
GB/T6070
GD-J63
63
130
110
390
88
160
GD-J80
80
145
125
432
88
8-Φ9
GD-J100
100
165
145
460
108
GD-J(S)150
150
220
195
636
138
200
8-Φ11
DN40(GB4982)
JB919
GD-J(S)160
160
225
200
636
138
?
GB/T6070
GD-J(S)200
200
285
260
788
200
12-Φ11
DN50(GB/T6070)
GD-J(S)250
250
335
310
820
208
250
DN63(GB/T6070)
GD-J(S)300
300
380
350
980
250
8-Φ14
DN80(GB/T6070)
JB919

 

 






























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After-sales service commitment

1. valve equipment provides free maintenance for one year and provides free spare parts list within this period. If the damage is caused by non-human cause (except for force majeure) during the maintenance period, our company will replace and repair it in time.

2. devices require life-long free repair, after the expiry of the warranty, if the buyer entrust our company to carry out maintenance, our company will maintain a replacement of equipment (ex factory price), and a detailed list of maintenance content.

3., our company in line with the interests of customers, customers want to think, anxious customers anxious, do their best to meet customer requirements, do a good job after-sales service.

Product quality commitment

1. our company introduced advanced processing testing technology from Taiwan, with superb production technology and advanced design concept of Taiwan and Taiwan to follow the ISO9001-2000 quality management system, GB, JB, SH by HG, CJ and other domestic standards and ANSI, JIS, BS, DIN and other foreign standard design and manufacture and inspection.

2. all suppliers are inspected and evaluated, and all the products are purchased only by qualified subcontractors. The raw materials, purchased parts and outsourcing parts supplied by the sub suppliers should be inspected strictly;

3. the casting and forging parts, cast steel parts and stainless steel castings provided by the sub suppliers have qualified chemical composition analysis and physical property test sheet;

4., product manufacturing strictly implement the "double three check" system, unqualified parts do not turn order, not assembled, not factory;

5. after assembly, according to GB13927, JB/T9092, CJ/T3056 standards for strength, sealing comprehensive performance test (medium for water, kerosene, gas);

6. our company responsible for the product quality and delivery time, delivery date of the warranty period of one year, life-long maintenance. For the consequences caused by product quality, our company assumes corresponding responsibility. If the consequences caused by improper operation, our company will maintain equipment at a low cost.




 

 

 

Relevant information
Welcome consultation
China is trying to make China one of the largest non conventional energy suppliers and consumers in the world.
Three weeks ago, GT solar technology in New Hampshire signed a historic contract to sell.7 million worth of photovoltaic light manufacturing equipment to Zhenjiang, Jiangsu, china. This huge contract is only one of the many contracts that have been signed with china. GT solar technology signed a 390 thousand energy contract with Jiangsu Shunda in June of this year, and signed a sales contract with Jiangxi LDK LDK solar hi tech in July.
The official report of GT solar technology shows that in 26 years, 7% of the revenue comes from China, while the whole North American region has only 5% sales in second place. Chief executive Tim zalera said: "in the traditional sense, Europe has been a major producer of solar wafers, but that in recent years the award has been to Asia, especially China."
GT solar energy is not a benefit to China's cooperation, nor is it a renewable energy cooperation with china. This year, the United States spent 240 thousand on the Windtec system project in Austria, a historic wind turbine manufacturer. Since the acquisition of the United States to Beijing, superconducting Sinovel technology signed a value of 20 thousand orders, and then sign the cooperation with Jiangsu oumeida steam turbine fittings and Zhuzhou Electric Locomotive Research protocol. Jason, a spokesman for superconductivity in the United States, said that, like GT solar technology, he saw China as a big foreign market and made a big profit in china. He also said: "wind energy products have become a very large production type product, especially in the past two years, this trend is more obvious."."
According to the goal of China Renewable Energy Development Center, 20 thousand megawatts of renewable energy will be developed in the whole country in 22 years. This figure will account for 2% of the country's energy production. According to the prediction of the center, the investment in this area will reach US 100 million.
Schwarz is president of a renewable energy consultancy in pennsylvania. He said: "all these green energy products is not only used in domestic Chinese, many solar products will be exported, so that Chinese occupies a space for one person in the field in the world, and most wind power facilities will give China growing population to provide energy and power." In addition, he said: "when the Chinese are determined to develop an industry, they will make unremitting efforts with high enthusiasm."."

There is a dilemma of scale steel futures risks and benefits
Recently, the Shanghai futures exchange relationship has been neither friendly nor aloof and China Steel Association finally sit together to discuss matters relating to the introduction of steel futures, but the strange thing is the iron and steel enterprises launched on the steel futures are not keen.
Steel futures imminent
The August sun Zhikao in Beijing Dongsi China Steel Industry Association Deputy Secretary General of the courtyard, steel association long Qi Xiangdong difficult to draft a report, the content of iron and steel enterprises and the Shanghai futures exchange is the result of preliminary negotiations. Not long ago, representatives of large iron and steel enterprises, including Baosteel and Shougang, gathered in Shanghai, expressing concerns about the future of steel futures at the Shanghai futures exchange.
In fact, from 25 years ago, the Shanghai futures exchange is keen on the introduction of steel futures, think steel futures is a rare commodity futures trading varieties, and this is also a good opportunity to strive for international pricing.
But the idea of the Shanghai futures exchange was snubbed. Until the end of 26, an interview with the Steel Association also told reporters: "participation in futures trading of steel enterprises, it is difficult to get rid of the risk of China Aviation Oil bankruptcy."."
But steel futures trading is indeed strategic. Since the price of oil is decided by the New York Mercantile Exchange, the copper price is waiting for the price of the London Metal Exchange. In recent years, the prices of the two commodities have risen sharply. As a large demand side, China has no bargaining power. This is a headache for the ndrc.
At the same time, the London Metal Exchange is also brewing for years to launch steel futures, steel prices will keep facing the situation, development and Reform Commission and the Shanghai Futures Exchange would see steel futures landing Chinese Steel Industry Association, also realized that their ideas are too conservative. Steel futures has been imminent, all Steel Association began to happen by default.
"Steel futures" must be launched." Qi Xiangdong replied with a positive attitude, "China's steel production is more important than ever, so we should look at this issue from a global point of view and take the lead in forming a steel price center."."
According to informed sources, the introduction of steel futures has been through the national development and Reform Commission, the Ministry of Commerce, the Commission of the State Council for approval, the final instructions. It is understood that the current futures trading products have been locked into the steel line and two grade thread steel.
With the "hot money" bucket, uncertain
Iron and steel enterprises as a direct stakeholder, the attitude is very ambiguous.
"Fear of steel futures," become "hot money" speculation tool, so that steel enterprises are difficult to parry." Shougang insiders expressed concern to reporters. At present, the price fluctuation of China's iron and steel market has entered an unstable cycle. Since the beginning of this year, the price of steel has always been a sharp drop in the price range per ton of yuan, and several times fell to the bottom.
Although the Shanghai futures exchange believes that futures trading can stabilize risks, we are worried about the involvement of financial capital and exaggerated price deviation." The Shougang Group even said that now any domestic enterprises together, capital is not enough to compete with financial capital. "The fund is used to produce, not called to play a large sum of money."
Because the steel prices in the Chinese market are lower than those in the international market, many foreign traders have made purchases in China. "These traders can easily mobilize tens of millions of dollars of funds to hoard steel."." The above sources disclosed.
Another concern for steel companies comes from themselves. These large steel companies do not have futures departments, no futures trading experience.