500 Series Relief Valves 0.5 to 150 psig
Relief Valves
Features
- Popoff or inline valves
- Adjustable crack pressure
- Zero leakage
- Accurate set pressure
- Tamper-proof adjustment
- 100% seat leakage tested
- PED certifications and CE marking available for most models
Item # |
Variation |
Body Material |
Seal Material |
Valve Size |
End Connection |
Cracking Pressure |
Operating Temperature |
Add To Cart/Request Quote |
---|---|---|---|---|---|---|---|---|
D520A-2M | Variation N/A Popoff with deflector cap | Body Material N/A Aluminum |
Seal Material
N/A Teflon® |
Valve Size N/A 1/4 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D520A-3M | Variation N/A Popoff with deflector cap | Body Material N/A Aluminum |
Seal Material
N/A Teflon® |
Valve Size N/A 3/8 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D520A-4M | Variation N/A Popoff with deflector cap | Body Material N/A Aluminum |
Seal Material
N/A Teflon® |
Valve Size N/A 1/2 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D520A-6M | Variation N/A Popoff with deflector cap | Body Material N/A Aluminum |
Seal Material
N/A Teflon® |
Valve Size N/A 3/4 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D520A-8M | Variation N/A Popoff with deflector cap | Body Material N/A Aluminum |
Seal Material
N/A Teflon® |
Valve Size N/A 1 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D520B-1M | Variation N/A Popoff with deflector cap | Body Material N/A Brass |
Seal Material
N/A Teflon® |
Valve Size N/A 1/8 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D520B-2M | Variation N/A Popoff with deflector cap | Body Material N/A Brass |
Seal Material
N/A Teflon® |
Valve Size N/A 1/4 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D520B-3M | Variation N/A Popoff with deflector cap | Body Material N/A Brass |
Seal Material
N/A Teflon® |
Valve Size N/A 3/8 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D520B-4M | Variation N/A Popoff with deflector cap | Body Material N/A Brass |
Seal Material
N/A Teflon® |
Valve Size N/A 1/2 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D520B-6M | Variation N/A Popoff with deflector cap | Body Material N/A Brass |
Seal Material
N/A Teflon® |
Valve Size N/A 3/4 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D520B-8M | Variation N/A Popoff with deflector cap | Body Material N/A Brass |
Seal Material
N/A Teflon® |
Valve Size N/A 1 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D520T1-1M | Variation N/A Popoff with deflector cap | Body Material N/A 316 Stainless Steel |
Seal Material
N/A Teflon® |
Valve Size N/A 1/8 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D520T1-2M | Variation N/A Popoff with deflector cap | Body Material N/A 316 Stainless Steel |
Seal Material
N/A Teflon® |
Valve Size N/A 1/4 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D520T1-3M | Variation N/A Popoff with deflector cap | Body Material N/A 316 Stainless Steel |
Seal Material
N/A Teflon® |
Valve Size N/A 3/8 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D520T1-4M | Variation N/A Popoff with deflector cap | Body Material N/A 316 Stainless Steel |
Seal Material
N/A Teflon® |
Valve Size N/A 1/2 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D520T1-6M | Variation N/A Popoff with deflector cap | Body Material N/A 316 Stainless Steel |
Seal Material
N/A Teflon® |
Valve Size N/A 3/4 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D520T1-8M | Variation N/A Popoff with deflector cap | Body Material N/A 316 Stainless Steel |
Seal Material
N/A Teflon® |
Valve Size N/A 1 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 150 psig | Operating Temperature N/A -100 to 400 ºF |
Add To Cart
Request Quote |
D524A-1M | Variation N/A Popoff with deflector cap | Body Material N/A Aluminum | Seal Material N/A Silicone | Valve Size N/A 1/8 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 74.9 psig | Operating Temperature N/A -70 to 450 ºF |
Add To Cart
Request Quote |
D524A-2M | Variation N/A Popoff with deflector cap | Body Material N/A Aluminum | Seal Material N/A Silicone | Valve Size N/A 1/4 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 74.9 psig | Operating Temperature N/A -70 to 450 ºF |
Add To Cart
Request Quote |
D524A-3M | Variation N/A Popoff with deflector cap | Body Material N/A Aluminum | Seal Material N/A Silicone | Valve Size N/A 3/8 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 74.9 psig | Operating Temperature N/A -70 to 450 ºF |
Add To Cart
Request Quote |
D524A-4M | Variation N/A Popoff with deflector cap | Body Material N/A Aluminum | Seal Material N/A Silicone | Valve Size N/A 1/2 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 74.9 psig | Operating Temperature N/A -70 to 450 ºF |
Add To Cart
Request Quote |
D524A-6M | Variation N/A Popoff with deflector cap | Body Material N/A Aluminum | Seal Material N/A Silicone | Valve Size N/A 3/4 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 74.9 psig | Operating Temperature N/A -70 to 450 ºF |
Add To Cart
Request Quote |
D524A-8M | Variation N/A Popoff with deflector cap | Body Material N/A Aluminum | Seal Material N/A Silicone | Valve Size N/A 1 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 74.9 psig | Operating Temperature N/A -70 to 450 ºF |
Add To Cart
Request Quote |
D524B-1M | Variation N/A Popoff with deflector cap | Body Material N/A Brass | Seal Material N/A Silicone | Valve Size N/A 1/8 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 74.9 psig | Operating Temperature N/A -70 to 450 ºF |
Add To Cart
Request Quote |
D524B-2M | Variation N/A Popoff with deflector cap | Body Material N/A Brass | Seal Material N/A Silicone | Valve Size N/A 1/4 in | End Connection N/A Pipe Thread Male | Cracking Pressure N/A 0.5 to 74.9 psig | Operating Temperature N/A -70 to 450 ºF |
Add To Cart
Request Quote |