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Inlet Pipe Size
1/8
1/4
3/8
1/2
3/4
1
1
1/4
1
1/2
2
2
1/2
3
Set Pressure
2 psi
4 psi
5 psi
6 psi
8 psi
10 psi
12 psi
14 psi
15 psi
16 psi
18 psi
20 psi
22 psi
24 psi
25 psi
26 psi
28 psi
30 psi
For Use With
Air
Argon
Carbon Dioxide
Helium
Hydrogen
Inert Gas
Methane
Nitrogen
Oxygen
Steam
Water
Pipe Size
1/8
1/4
3/8
1/2
3/4
1
1
1/4
1
1/2
2
2
1/2
3
Maximum Inlet Pressure
Less than 250 psi
250 psi to 299 psi
300 psi to 499 psi
500 psi to 999 psi
1,000 psi or greater
Airflow Capacity
10 scfm
20 scfm
30 scfm
40 scfm
50 scfm
60 scfm
64 scfm
70 scfm
73 scfm
80 scfm
83 scfm
90 scfm
93 scfm
100 scfm
104 scfm
110 scfm
114 scfm
120 scfm
Body Material
Brass
Bronze
Cast Iron
Stainless Steel
Seal Material
Brass
Bronze
Rubber
Silicone
Stainless Steel
Relief Port Pipe Size
1/2
3/4
1
1
1/4
1
1/2
2
2
1/2
3
Maximum Pressure
Less than 250 psi
250 psi to 299 psi
300 psi to 499 psi
500 psi to 999 psi
1,000 psi or greater
Shape
90° Elbow
Straight
Inlet Gender
Female
Male
Maximum Temperature
150° F
210° F
250° F
300° F
400° F
406° F
422° F
Test Mechanism
Lever
Ring
T-Handle
REACH
Not Compliant
RoHS
Compliant
Compliant with Exemptions
Not Compliant
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
Yes
No
DFARS Specialty Metals
Exempt
Export Control Classification Number (ECCN)
2B999
EAR99
Material
Brass
Bronze
Cast Iron
Rubber
Silicone
Stainless Steel
Relief Port Location
Side
Top
Overall Height
2"
2
1/8"
2
7/8"
3
1/8"
3
3/16"
3
3/8"
3
9/16"
3
3/4"
3
13/16"
4"
4
1/2"
4
11/16"
4
7/8"
5
1/4"
5
5/16"
5
7/16"
5
3/4"
6"
Certification
ASME BPVC.I
ASME BPVC.IV
ASME BPVC.VIII
CSA Certified
Gender
Female
Male
Relief Port
Pipe
Vent
Minimum Temperature
-320° F
-60° F
-40° F
-20° F
-15° F
-10° F
33° F
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114 Products
Pressure-Relief Valves
Fast-Acting Pressure-Relief Valves
ASME-Code Fast-Acting Pressure-Relief Valves for Air and Inert Gas
Meet ASME Code Section VIII for use with air and inert gas pressure vessels
24 products
Remote-Discharge ASME-Code Fast-Acting Pressure-Relief Valves for Air and Inert Gas
Direct discharge away from your work environment through the relief port
31 products
Corrosion-Resistant ASME-Code Fast-Acting Pressure-Relief Valves for Air and Inert Gas
Stainless steel body to resist corrosion in wet conditions and harsh environments
2 products
ASME-Code Fast-Acting Pressure-Relief Valves for Water
Meet ASME Code Section VIII for use with water pressure vessels
4 products
ASME-Code Fast-Acting Pressure-Relief Valves for Steam
Install in steam power boilers requiring pressure relief above 15 psi
13 products
ASME-Code Fast-Acting Pressure-Relief Valves for Cryogenic Fluids
Our only valves that meet ASME Code Section VIII for use with cryogenic pressure vessels
2 products
ASME-Code Fast-Acting Pressure-Relief Valves for Hot Water
Meet ASME Code Section IV for hot water heaters and boilers
7 products
ASME-Code Fast-Acting Pressure-Relief Valves for Low-Pressure Steam
Place in low-pressure steam-heating boilers requiring pressure relief at 15 psi
8 products
Corrosion-Resistant Remote-Discharge ASME-Code Fast-Acting Pressure-Relief Valves for Air and Inert Gas
Resist corrosion and direct discharge away from your work environment
3 products
Large-Diameter Remote-Discharge ASME-Code Fast-Acting Pressure-Relief Valves for Air and Inert Gas
Relieve a large amount of air and meet ASME Code Section VIII
3 products
Fast-Acting Temperature- and Pressure-Relief Valves for Hot Water
Open when water temperature reaches 210°F or the set pressure
11 products
Large-Diameter Remote-Discharge Fast-Acting Pressure-Relief Valves for Air and Inert Gas
Relieve a large amount of air in systems with a pipe size of 2 or greater
3 products
Fast-Acting Pressure-Relief Valves for Ultra-Low-Pressure Steam
Install in steam-heating boilers requiring pressure relief between 5 and 12 psi
3 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)