A42Y spring fully closed safety valve

A42Y spring fully closed safety valve
  • sell:021-32051999
  • sell:021-32050777
  • fax:021-66099555

Details

  • Product Introduction
  • Service Promise
  • Ordering Process

Type A42Y-C Spring Fully Open Closed Safety Valve is suitable for air, LPG, liquid and other media equipment and pipelines with operating temperature < 300 C. A42Y-P and A42Y-R types are suitable for equipment and pipelines with corrosive medium operating at temperatures less than 200 degrees Celsius as overpressure protection devices. Connecting flange standard according to JB/T... -94 Series 1. Greater than 6.4MPa by JB/T... -94 Series 2.


Series model


A42Y-16C
A42Y-16P
A42Y-16R
KA42Y-16
DA42Y-16C/P
A42Y-25
A42Y-25P
A42Y-25R
KA42Y-25(P)
DA42Y-25P
A42Y-40
A42Y-40P
A42Y-40R
KA42Y-40
DA42Y-40P
A42Y-64
A42Y-64P
A42Y-64R
KA42Y-64
DA42Y-64P
A42Y-100
A42Y-100
PA42Y-100R
KA42Y-100
DA42Y-100P


Material of main parts
NO.
零件名稱
A42Y-C/KA42Y-C材料
A42Y-P/KA42Y-P材料
A42Y-R材料
DA42Y-P材料
1
閥座
2Cr13/1Cr18Ni9Ti
ZG1Cr18Ni9Ti
ZG1Cr18Ni12Mo2Ti
ZG1Cr18Ni9Ti
2
閥體
WCB
ZG1Cr18Ni9Ti
ZG1Cr18Ni12Mo2Ti
LCB/ZG1Cr18Ni9Ti
3
調(diào)節(jié)圈
2Cr13/1Cr18Ni9Ti
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
1Cr18Ni9Ti
4
反沖盤
2Cr13/1Cr18Ni9Ti
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
1Cr18Ni9Ti
5
閥瓣
2Cr13/1Cr18Ni9Ti
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
1Cr18Ni9Ti
6
導(dǎo)向套
2Cr13/1Cr18Ni9Ti
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
1Cr18Ni9Ti
7
閥蓋
ZG230-450
ZG230-450
ZG230-450
ZG1Cr18Ni9Ti
8
彈簧
50CrVA
50CrVA包覆氟塑料
50CrVA包覆氟塑料
50CrVA
9
閥桿
2Cr13
1Cr18Ni9Ti/1Cr18Ni12Mo2Ti
1Cr18Ni9Ti/1Cr18Ni12Mo2Ti
1Cr18Ni9Ti
10
調(diào)整螺桿
45
2Cr13
2Cr13
2Cr13
11
閥帽
ZG200-400
ZG200-400
ZG200-400
ZG230-450
密封面材料
堆焊Co基硬質(zhì)合金
Main dimensions


型號(hào)
公稱通徑
do
D
K
g
g1
b
f
f1
Z-?d
DN'
D1
K1
g3
g2
b1
f'
f1'
Z1-?d1
L
L1
≈H
A42Y-16C
A42Y-16P
A42Y-16R
KA42Y-16C
DA42Y-16C(P)
20
15
105
75
55
16
2
4-14
25
115
85
65
16
2
4-14
110
95
378
25
16
115
85
65
16
2
4-14
32
140
100
78
18
2
4-18
110
95
378
32
20
140
100
78
18
2
4-18
40
150
110
85
18
3
4-18
115
100
378
40
25
150
110
85
18
3
4-18
50
165
125
100
20
3
4-18
120
110
406
50
32
165
125
100
20
3
4-18
65
185
145
120
20
3
4-18
135
120
450
65
40
185
145
120
20
3
4-18
80
200
160
135
20
3
8-18
160
140
520
80
50
200
160
135
20
3
8-18
100
220
180
155
22
3
8-18
170
135
525
100
65
220
180
155
22
3
8-18
125
250
210
185
22
3
8-18
195
175
690
125
80
250
210
185
22
3
8-18
150
285
240
210
24
3
8-23
210
190
780
150
100
285
240
210
24
3
8-23
175
310
270
240
26
3
8-23
255
230
838
200
125
340
295
265
26
3
12-23
250
405
355
320
30
3
12-26
300
260
992
250
150
405
355
320
30
3
12-26
300
460
410
375
30
4
12-26
350
320
1266
300
220
460
410
375
30
4
12-26
400
580
525
485
36
4
16-30
370
350
1283
350
250
520
470
435
34
4
16-26
500
715
650
608
44
4
20-34
500
450
1520
400
280
580
525
485
36
4
16-30
500
715
650
608
44
4
20-34
500
450
1530
A42Y-25C
A42Y-25P
A42Y-25R
KA42Y-25C
DA42Y-25(P)
20
15
105
75
55
16
2
4-14
25
115
85
65
16
2
4-14
110
95
378
25
16
115
85
65
16
2
4-14
32
140
100
78
18
2
4-18
110
95
378
32
20
140
100
78
18
2
4-18
40
150
110
85
18
3
4-18
115
100
378
40
25
150
110
85
18
3
4-18
50
165
125
100
20
3
4-18
120
110
406
50
32
165
125
100
20
3
4-18
65
185
145
120
20
3
4-18
135
120
450
65
40
185
145
120
22
3
8-18
80
200
160
135
20
3
8-18
160
140
520
80
50
200
160
135
22
3
8-18
100
220
180
155
22
3
8-18
170
135
525
100
65
230
190
160
24
3
8-23
125
250
210
185
22
3
8-18
195
175
690
125
80
270
220
188
28
3
8-26
150
285
240
210
24
3
8-23
210
190
780
150
100
300
250
218
30
3
8-26
175
310
270
240
26
3
8-23
255
230
838
200
125
360
310
278
34
3
12-26
250
405
355
320
30
3
12-26
300
260
992
250
150
425
370
332
36
3
12-30
300
460
410
375
30
4
12-26
350
320
1266
300
220
485
430
390
40
4
16-30
400
580
525
485
36
4
16-30
370
350
1283
A42Y-40C
A42Y-40P
A42Y-40R
KA42Y-40C
DA42Y-40(P)
20
15
105
75
51
55
16
2
4
4-14
25
115
85
65
16
2
4-14
110
95
378
25
16
115
85
58
65
16
2
4
4-14
32
140
100
78
18
2
4-18
110
95
378
32
20
140
100
66
78
18
2
4
4-18
40
150
110
85
18
3
4-18
115
100
378
40
25
150
110
76
85
18
3
4
4-18
50
165
125
100
20
3
4-18
120
110
406
50
32
165
125
88
100
20
3
4
4-18
65
185
145
120
20
3
4-18
135
120
450
65
40
185
145
110
120
22
3
4
8-18
80
200
160
135
20
3
8-18
160
140
520
80
50
200
160
121
135
22
3
4
8-18
100
220
180
155
22
3
8-18
170
135
525
100
65
235
190
150
160
24
3
4.5
8-23
125
250
210
185
22
3
8-18
195
175
690
125
80
270
220
176
188
28
3
4.5
8-26
150
285
240
210
24
3
8-23
210
190
780
150
100
300
250
204
218
30
3
4.5
8-26
175
310
270
240
26
3
8-23
255
230
838
200
125
375
320
260
282
38
3
4.5
12-30
250
405
355
320
30
3
12-26
300
260
992
250
150
450
385
313
345
42
3
4.5
12-34
300
460
410
375
30
4
12-26
350
320
1266
A42Y-64
A42Y-64P
A42Y-64R
DA42Y-64(P)
20
10
125
90
51
68
22
2
4
4-18
25
115
85
58
65
16
2
4
4-14
96
85
264
25
16
140
100
58
78
22
2
4
4-18
32
140
100
66
78
18
2
4
4-18
110
100
277
32
20
155
110
66
82
24
2
4
4-23
40
150
110
76
85
18
3
4
4-18
130
110
289
40
25
170
125
76
95
24
3
4
4-23
50
165
125
88
100
20
3
4
4-18
130
120
319
50
32
180
135
88
105
26
3
4
4-23
65
185
145
110
120
222
3
4
8-18
135
130
389
65
40
205
160
110
130
28
3
4
8-23
80
200
160
121
135
22
3
48-18
175
160
493
80
50
215
170
121
140
30
3
4
8-23
100
235
190
150
160
24
3
4.5
8-23
175
160
483
100
65
250
200
150
168
32
3
4.5
8-26
125
270
220
176
188
28
3
4.5
8-25
195
195
613
150
100
345
280
204
240
38
3
4.5
8-34
200
375
320
260
282
38
3
4.5
12-30
280
265
894
A42Y-100
A42Y-100P
A42Y-100R
DA42Y-100(P)
20
10
125
90
51
68
22
2
4
4-18
25
115
85
58
65
16
2
4
4-14
96
85
264
25
16
140
100
58
78
24
2
4
4-18
32
140
100
66
78
18
2
4
4-18
110
100
277
32
20
155
110
66
82
24
2
4
4-23
40
150
110
76
85
18
3
4
4-18
130
110
289
40
25
170
125
76
95
26
3
4
4-23
50
165
125
8
100
20
3
4
4-18
130
120
319
50
32
195
145
88
112
28
3
4
4-26
65
185
145
110
120
22
3
4
8-18
135
130
389
65
32
220
170
110
138
32
3
4
8-26
80
200
160
121
135
22
3
4
8-18
175
160
493
80
40
230
180
121
148
34
3
4
8-26
100
235
190
150
160
24
3
4.5
8-23
175
160
483
100
50
265
210
150
172
38
3
4.5
8-30
125
270
220
176
188
28
3
4.5
8-25
195
195
613
150
80
355
290
204
250
46
3
4.5
12-34
200
375
320
260
282
38
3
4.5
12-30
280
265
894


The best quality, first-class service Qigao creates more value for you!

"Qigao Valve" expects to continuously improve service quality and strive for excellence. "Sincere service" is the eternal theme of "Qigao". "Qigao" strictly followsIS09001-2000 Quality system certification requirements, strict quality control, responsibility to people, to ensure the healthy operation of production, sales and service. Strengthen communication with users and provide quality products to our customers with perfection and perfect service. Hereby our factory makes the following commitments:

Product Standards:

Products in strict accordance with ChinaGB、HG Standard and USAPISuch as standard design, manufacturing, acceptance. The hardness of the sealing surface meets the requirements of the state and the width exceeds the national standard.

pre-sale service:

Product introduction, technical exchange, non-standard product design, troubleshooting。

Sale service:

A trustworthy contract guarantees timely delivery and keeps in touch with customers. For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.

After sales service:

1、"Qigao" brand product quality period is from the factory12In the month, the implementation of the "three guarantees" service (return, replacement, warranty).

2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions, so as to further improve product quality.

3、Respond quickly to the quality of user complaints, after-sales service personnel rushed to the scene in 24-36 hours (48 hours outside the province).

4、For after-sales service, users are required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of Qigao.

1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.:

a、Structure length;

b、Connection Type;

c、Nominal diameter, full diameter, reduced diameter, pipe size;

d、Operating medium and temperature, pressure range;

e、Tests, inspection standards and other requirements

2、The factory can configure various types of driving devices according to customer's specific requirements.。

3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.

4、For futures and order customers, please call us in advance to tell the required valve model, specification, quantity, delivery time and location, and timely transfer to the factory account according to the total 30% deposit or full payment. The rest of the payment is pending. Import before shipment to arrange delivery in time.

 

Order Process:

1、Customer purchase list fax to021-33872143,Or call us 021-33872141

2、Receive customer purchase list, provide valve model selection and quotation (price list)。

3、Specific agreement: delivery date, special requirements, etc.。

download Google:

1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.:

a、Structure length;

b、Connection Type;

c、Nominal diameter, full diameter, reduced diameter, pipe size;

d、Operating medium and temperature, pressure range;

e、Tests, inspection standards and other requirements

2、The factory can configure various types of driving devices according to customer's specific requirements.。

3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.

4、For futures and order customers, please call us first to tell the required valve model, specifications, quantity, delivery time and location, and press the total30%The deposit or full payment will be remitted to our factory account in time., The rest of the payment will be remitted before shipment to arrange delivery in time.。

Sale service:

Trustworthy contract, guarantee timely delivery, keep in touch with customers at any time。

For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.

After sales service:

1、"Qigao" product quality period is from the factory12Month, practiceThree packsService (return, replacement, warranty)。

2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions.,
In order to further improve product quality。

3、Respond quickly to the quality of user complaints, after-sales service personnel24-36Hours (outside the province48Hour) rushed to the scene。

4、For after-sales service, the user is required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of “Qigao”.。

statement

  1. All text, data and pictures in this article are for reference only.A42Y spring fully closed safety valvePlease contact us at 4000-700-665 for details of performance, size and price.
  2. If there is no explanation, this article is original, reprint, please indicate the address of this article, thank you for your cooperation!