48Y-42Y, A48Y-16C/25/40, A42Y-16C/25P/40R

Appications
A42Y-type spring fall lift safety valve is applied to equipments and pipes of air, liquefied petroleum gas, liquid and other media that working temperature is ≤ 300 ℃. A42-P type and A42Y-R type spring fall lift safety valve is suitable for corrosive media equipment and pipes that working temperature is ≤ 200 ℃. A48Y type spring fall lift safety valve is suitable for equipments and pipes of steam, air and other media that working temperature is ≤ 350 ℃, used as the overpressure protection device.
Dimensions & constructral diagram

A48Y-16C/25/40 constructral diagram

A42Y-16C/25P/40R constructral diagram
External and connection dimensions
Nominal diameter DN(mm)
Dimensions (mm)

DO
L
L1
DN’
25
15
110
95
32
32
20
115
100
40
40
25
120
110
50
50
32
165
120
65
65
40
160
135
80
80
50
170
135
100
100
65
195
175
125
125
80
210
190
150
150
100
255
230
175
200
125
300
260
250
250
150
350
320
300
300
200
380
350
400
350
300
500
450
500
400
350
500
450
500
The materials of main parts
No.
Part name
A42Y-C A48Y-C KA42Y-C Materials
A42Y-P/K A42Y-P Materials
A42Y-R Materials
DA42Y-P Materials
1
Seat
2Cr13/1Cr18Ni9Ti
ZG1Cr18Ni9Ti
2G1Cr18Ni12Mo2Ti
ZG1Cr18Ni9Ti
2
Body
WCB
ZG1Cr18Ni9Ti
2G1Cr18Ni12Mo2Ti
LCB/ ZG1Cr18Ni9Ti
3
Adjusting ring
2Cr13/1Cr18Ni9Ti
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
1Cr18Ni9Ti
4
Recoil plate
2Cr13/1Cr18Ni9Ti
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
1Cr18Ni9Ti
5
Disc
2Cr13/1Cr18Ni9Ti
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
1Cr18Ni9Ti
6
Guide sleeve
2Cr13/1Cr18Ni9Ti
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
1Cr18Ni9Ti
7
Bonnet
ZG230-450
ZG230-450
ZG230-450
ZG1Cr18Ni9Ti
8
Spring
50CrVA
50CrVA packed with fluoroplastic
50CrVA packed with fluoroplastic
50CrVA
9
Stem
2Cr13
1Cr18Ni9Ti/1Cr18Ni12Mo2Ti
1Cr18Ni9Ti/1Cr18Ni12Mo2Ti
1Cr18Ni9Ti
10
Adjusting bolt
45
2Cr13
2Cr13
2Cr13
11
Cap
ZG200-400
ZG200-400
ZG200-400
ZG230-450

Sealing surface material
bead weld Co-based hard alloy

Bir önceki yazımız olan Trevitest başlıklı makalemizde tecon.com.tr, tecont mühendislik ve trevitest hakkında bilgiler verilmektedir.



Yorum yapılmamış

Bir cevap yazın