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China A28W-16T full copper Yongyi wrench spring safety valve of steam air DN80

A28W-16T spring type safety valve for the nominal pressure within the range of 1.6MPa, the working temperature less than 250 DEG C, medium pressure vessel for air, steam or water, industrial equipment and pipelines, as a protection device to prevent overpressure.

price:USD$3700.00
discount 70% in 2018-09-20 to 2018-09-22
price: USD$ 2590.00
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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A28W-16T safety valve:

A28W-16TSpring type safety valve for the nominal pressure within the range of 1.6MPa, the working temperature less than 250 DEG C, medium pressure vessel for air, steam or water, industrial equipment and pipelines, as a protection device to prevent overpressure.
A28W-16T spring safety valve pressure rating is divided into: 0.7-1.0MPa, 1.0-1.3, 1.3-1.6, 0.84MPa, 1.05mpa, 1.37mpa.

1. model: A28W-16T

2. nominal diameter: DN65.DN80

3. temperature: less than or equal to 250 DEG C

4. medium: air. Water vapor.

Two: Installation Notes

1. the valve only allows horizontal vertical installation, the valve should be below the medium from the top down.

2. installation should be approved to use the pressure within the pressure range provided by, and

According to the instructions for setting pressure adjustment.

3. the safety valve adjustment and installed will not allow into the lossy sealing performance of harmful sundries etc.

 

technical parameter

Nominal pressure PN
1.6
Seal test pressure
0.1~0.2     >0.2 ~0.3    >0.3 ~ 0.7
>0.7 ~ 1.0   >1.0~1.3    >1.3~1.6
The use of media
atmosphere
The use of temperature C degrees
≤200
The opening height of H
≥1/4do

 

*1MPa=10.2Kg

 
Materials of main parts

 
Part name
Material Science
Valve seat, valve body, valve, valve plate,
The spring plate and a locking nut.
Copper alloy
Spring
50Cr VA
regulating screw
A3

 

The main structure and size of unit: mm
 
Nominal diameter
DN
R
do
H
H1
L
D
weight
Kg
15
1/2”
13.5
138
12.5
30
45
0.5
20
3/4”
13.5
138
12.5
30
45
0.7
25
1”
18
180
17
36
56
1.0
32
11/4”
18
175
26
 
60
2.5
40
11/2”
21
175
27
 
78
3.7

 

Note: when ordering please specify the type, diameter, material, pressure, opening pressure, medium and temperature