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RUPTURE DISKS - 1/2″ - 20 UNF THREAD• Designed for Emergency Pressure Relief• Stainless Steel Body/Inconel Disk
1/2″ - 20 UNF THREAD
PRESSURE* PART # LIST PRICE ECS PRICE 1-9 pcs. 10+ pcs.
1500 psi BP1500-618
2000 psi BP2000-618
3000 psi BP3000-618
3500 psi BP3500-618
4000 psi BP4000-618
5000 psi BP5000-618
5500 psi BP5500-618
6500 psi BP6500-618
7000 psi BP7000-618
7500 psi BP7500-618
8000 psi BP8000-618
8500 psi BP8500-618
9000 psi BP9000-618
9500 psi BP9500-618
10000 psi BP10000-618
12000 psi BP12000-618
15000 psi BP15000-618
Screwdriver slot for tightening
1-13/16″ BODY
Rupture Disks
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3.4
*Pressure ratings at 550°F. (See pages 3.2 and 3.3 for further information.)
*Pressure ratings at 600°F. (See pages 3.2 and 3.3 for further information.)
PRESSURE* PART # LIST PRICE ECS PRICE 1-9 pcs. 10+ pcs. 2000 psi BP2000-538
3500 psi BP3500-538
4000 psi BP4000-538
5000 psi BP5000-538
5500 psi BP5500-538
7500 psi BP7500-538
10000 psi BP10000-538
7/16″ hex on back of body makes removal easier. Use a wrench or a socket.
3.5″ BODY
• 1/2- 20 UNF Thread• 7/16” hex on body
Note: -568 bodies (page 3.5) can be shortened to 3 3/8” to 5 1/2” to accommodate space requirements
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for pricing
or visit
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Rupture Disks 3.5
Body Styles with hex and NPT Thread
6″ BODY (5-1/2” HEX TO TIP) 3500 psi BP3500-668
4000 psi BP4000-668
5000 psi BP5000-668
7500 psi BP7500-668
9000 psi BP9000-668
10000 psi BP10000-668
12500 psi BP12500-668
9-3/4" BODY (8-1/2” HEX TO TIP) 7500 psi BP7500-698
9000 psi BP9000-698
10000 psi BP10000-698
*Pressure ratings at 550°F. (See pages 3.2 and 3.3 for further information.)
PRESSURE* PART # LIST PRICE ECS PRICE 1-9 pcs. 10+ pcs. 1500 psi BP1500-568
2000 psi BP2500-568
2500 psi BP2500-568
3500 psi BP3500-568
4000 psi BP4000-568
5000 psi BP5000-568
7500 psi BP7500-568
8500 psi BP8500-568
9000 psi BP9000-568
10000 psi BP10000-568
12000 psi BP12000-568
7/16″ hex on back of body makes removal easier. Use a wrench or a socket.
6″ BODY
• 568 body can be shortened to accommodate space requirements
• M18 and M14 threads also available
RUPTURE DISKS - 1/2″ - 20 UNF THREAD
• 1/2- 20 UNF Thread• 5/8” or 3/4” hex on body• 1/4” NPT Thread on back of body
12″ BODY• 1/2- 20 UNF Thread• 5/8” hex on body
12″ BODY (11-1/4” HEX TO TIP) Pressure* Part # List ECS Price Price 1-9 pcs. 10+ pcs. 7500 psi BP7500-5128
8500 psi BP8500-5128
9000 psi BP9000-5128
*Pressure ratings at 600°F. (See pages 3.2 and 3.3 for further information.)
*Pressure ratings at 550°F. (See pages 3.2 and 3.3 for further information.)
4-3/4″ BODY (4” HEX TO TIP) Pressure* Part # List ECS Price Price 1-9 pcs. 10+ pcs. 3500 psi BP3500-648
4000 psi BP4000-648
5000 psi BP5000-648
5500 psi BP5500-648
6500 psi BP6500-648
7500 psi BP7500-648
9000 psi BP9000-648
9500 psi BP9500-648
10000 psi BP10000-648
call us
for pricing
or visit
our e-store
call us
for pricing
or visit
our e-store
call us
for pricing
or visit
our e-store
call us
for pricing
or visit
our e-store
call us
for pricing
or visit
our e-store
