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Place of Origin: China (Mainland)
Model Number: ARI 902

Specifications

900 Series DIN standard Safety Valve
 
900 Series DIN standard Safety Valve are mainly applied to the industries such as petroleum & Natural gas, Chemistry, Electric, Metallurgy & Burning gas. As the super-pressure protecting equipment, It has following advantages: High precision of action, Good recycling function, Turning back to seat fast, Easy operating and maintaining, etc.
 
      
901 Type
Closed Cap
Closed top Cover
With Level
 
902 Type
Opening Cap
Opening Top Cover
With Level
 
911 Type
Closed Cap
Gas-Sealed Top Cover
Without Level
 
912 Type
Closed Cap
Opening Top Cover
With Level
 
 
 
 
 
 
 
Type
Nominal Pressure
Body Material
Nominal Diameter
Working Temp.
901/902/911/912
PN40/16
1.0619+N
DN20/32-DN150/250
-10℃～450℃
901/911
PN40/16
1.4408
DN20/32-DN100/150
-60℃～400℃
 
 
DN
20/32
25/40
32/50
40/65
50/80
65/100
80/125
100/150
120/200/
150/250
Throat Diameter do(mm)
18
22
29
36
45
58
72
80
100
125
Orifice Area Ao(mm)
254
398
661
1018
1590
2688
4072
6362
8825
12266
Weight (Kg)
8.5
10
14
20
28
40
53
80
125
165
 
901, 902, 911, 912 Type Safety Valve
DN×DN1
20/32
25/40
32/50
40/65
50/80
65/100
80/125
100/150
120/200/
150/250
D
PN16
105
115
140
150
165
185
200
220
250
285
PN40
235
220
300
K
PN16
75
85
100
110
125
145
160
180
210
240
PN40
190
220
250
B
20
20
20
21
22
24
26
28
31
34
D1
PN16
140
150
165
185
200
220
250
285
340
405
K1
100
110
125
145
160
180
210
240
295
355
B1
19
19
20
20
20
20
22
22
27
29
L
85
100
110
115
120
140
160
180
200
220
L1
95
105
115
140
150
170
195
220
250
285
≈H
298
311
315
355
405
555
580
690
845
890
Vent(with plug)
G3/8"
G1/2"