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365betͶע / Safety Valve / Boiler Safety Valve Consulting Hotline: 021-331007323

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Boiler safety valve


Boiler safety valve
Stable quality: implement quality monitoring throughout the process, meticulous and comprehensive detection!

Reasonable price: efficient internal cost control, reducing expenses and benefiting customers!

Fast delivery: advanced production lines, sufficient stocking, shortening the delivery time!
Sales: 021-31007323
Fax: 021-333321522
Technology: 021-31007323

product manual Pledge Order process

Product name : Boiler safety valve Product model : A44Y A48Y, A44Y
   Driving method : Manual Connection form : Flange
   Structure form : Full spring    Sealing material :

Overlaying Co-based cemented carbide

   Pressure range : MPa 1.6 ~ 10.0 MPa    Nominal diameter : 0-DN4 00 DN2 0-DN4 00
   Common materials : Carbon steel, stainless steel    Technical consultation : 021-31007323

锅炉安全阀概述 I. Overview of Boiler Safety Valve

带扳手弹簧全启式安全阀 )适用于工作温度≤300℃的空气、石油等介质的设备或管路上,A48Y型适用于工作温度≤350℃的蒸汽、空气等介质的设备和管路上,作为超压保护装置。 A44Y boiler safety valve ( wrench spring full-open safety valve with wrench ) is suitable for equipment or pipelines with air or petroleum medium with an operating temperature ≤ 300 C, and A48Y is suitable for steam or air with an operating temperature ≤ 350 C. On equipment and pipelines, as an overpressure protection device. Connection flange standard PN <6.4MPa according to JB / T-94 series 1. PN≥6.4MPa according to JB / T-94 series 2 standard.

Material of Boiler Safety Valve Parts

NO.

Steam boiler safety valve part name

A48Y-C A44Y-C material

A44Y-P material

A44Y-R material

1

Valve body

WCB

ZG1Cr18Ni9Ti

CF8M

2

Valve seat

2Cr13

1Cr18Ni9Ti

316

3

Adjustment ring

ZG2Cr13

ZG1Cr18Ni9Ti

0Cr18Ni12Mo2Ti

4

Recoil

ZG2Cr13

ZG1Cr18Ni9Ti

316

5

Disc

2Cr13

1Cr18Ni9Ti

316

6

Guide sleeve

2Cr13

1Cr18Ni9Ti

0Cr18Ni12Mo2Ti

7

cap

ZG230-450

ZG230-450

ZG230-450

8

spring

50CrVA

50CrVA coated fluoroplastic

50CrVA coated fluoroplastic

9

Valve stem

2Cr13

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

10

wrench

ZG200-400

ZG200-400

ZG200-400

11

Adjusting screw

45

2Cr13

2Cr13

12

Protective cover

ZG200-400

ZG200-400

316

Sealing surface material

Overlaying Co-based cemented carbide

锅炉安全阀外形和结构图 Third, the shape and structure of the boiler safety valve

锅炉安全阀外形和结构图

 

model
Nominal diameter
do
D
K
g
g1
b
f
f1
? d Z- ? d
DN '
D1
K1
g3
g2
b1
f '
f1 '
? d1 Z1- ? d1
L
L1
≈H
A48Y-16C A44Y-16C A44Y-16P A44Y-16R
20
15
105
75
55
16
2
4-14
25
115
85
65
16
2
4-14
110
95
411
25
16
115
85
65
16
2
4-14
32
140
100
78
18
2
4-18
110
95
411
32
20
140
100
78
18
2
4-18
40
150
110
85
18
3
4-18
115
100
411
40
25
150
110
85
18
3
4-18
50
165
125
100
20
3
4-18
120
110
472
50
32
165
125
100
20
3
4-18
65
185
145
120
20
3
4-18
135
120
532
65
40
185
145
120
20
3
4-18
80
200
160
135
20
3
8-18
160
140
556
80
50
200
160
135
20
3
8-18
100
220
180
155
twenty two
3
8-18
170
135
561
100
65
220
180
155
20
3
8-18
125
250
210
185
twenty two
3
8-18
195
175
667
125
80
250
210
185
twenty two
3
8-18
150
285
240
210
twenty four
3
8-23
210
190
857
150
100
285
240
210
twenty four
3
8-23
175
310
270
240
26
3
8-23
255
230
915
200
125
340
295
265
26
3
12-23
250
405
355
320
30
3
12-26
300
260
1073
250
150
405
355
320
30
3
12-26
300
460
410
375
30
4
12-26
350
320
1307
300
220
460
410
375
30
4
12-26
400
580
525
485
36
4
16-30
370
350
1233
350
250
520
470
435
34
4
16-26
500
715
650
608
44
4
20-34
500
450
1711

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