Parr Instrument Safety Rupture Disc Assemblies - Manual (Page 3)

Safety Rupture Disc Assemblies
w w w . p a r r i n s t . c o m 3
Parr Rupture Disc Series
Series 526HC Discs for ¼” orifice (For A888HC2 Assembly)
Part Number Burst Rating Max. Operating Pressure Temperature Material CE
526HCP6YA 600 540 72 ºF Alum/FEP Y
526HCPD 1000 900 72 °F Alloy 600 Y
526HCP10CH 1000 900 72 °F Alloy C276 Y
526HCP11AD 1150 1035 72 ºF T316 Y
526HCP11CT 1150 1035 72 °F Alloy 600 Y
526HCP12CT 1200 1080 72 °F Alloy 600 Y
526HCP14CT 1400 1260 72 °F Alloy 600 Y
526HCP14CH 1400 1260 72 °F Alloy C276 Y
526HCP15CT 1500 1350 72 °F Alloy 600 Y
526HCP15CH 1500 1350 72 °F Alloy C276 Y
526HCP17CT 1700 1530 72 °F Alloy 600 Y
526HCP19CT 1900 1710 72 °F Alloy 600 Y
526HCPF 2000 1800 72 °F Alloy 600 Y
526HCP20CH 2000 1800 72 °F Alloy C276 Y
526HCP22CT 2200 1980 72 °F Alloy 600 Y
526HCPG 3000 2700 72 °F Alloy 600 Y
526HCP29CH 2900 2610 72 °F Alloy C276 Y
526HCP29CT 2900 2610 72 °F Alloy 600 Y
526HCP30CH 3000 2700 72 °F Alloy C276 Y
526HCP40CT 4000 3600 72 °F Alloy 600 Y
526HCP45CT 4500 4050 72 °F Alloy 600 Y
526HCP45CH 4500 4050 72 °F Alloy C276 Y
526HCPH 5000 4500 72 °F Alloy 600 Y
526HCP50CH 5000 4500 72 °F Alloy C276 Y
526HCP60CT 6000 5400 72 °F Alloy 600 Y
526HCPJ 8000 7200 72 °F Alloy 600 Y
526HCP80CH 8000 7200 72 °F Alloy C276 Y
526HCP85CH 8500 7650 72 °F Alloy C276 Y
526HCP85CT 8500 7650 72 °F Alloy 600 Y
526HCP100CT 10,000 9000 72 ºF Alloy 600 Y
Torque Requirements for
Standard 1/4” Discs Installed
on A888HC2 Assembly
Part
No.
Burst Pressure
(PSI)
Torque
(Ft-Lbs)
526HC/
581HC
Series
600 to 1000 5
>1000 to 2000 8
>2000 to 3000 12
>3000 to 4000 15
>4000 to 5000 19
>5000 to 6000 23
>6000 to 8000 31
>8000 to 10000 39
Torque Requirements for
Standard 1/2” Discs Installed
on A707HC2 Assembly
Part
No.
Burst Pressure
(PSI)
Torque
(Ft-Lbs)
708HC
Series
800 to 1000 20
>1000 to 1500 25
>1500 to 2000 30
>2000 to 2500 35
>2500 to 3000 40
Torque Requirements for
Standard 1/2” Discs Installed
on A1417HC Assembly
Part
No.
Burst Pressure
(PSI)
Torque
(Ft-Lbs)
1415HC
Series
500 to 1000 38
>1000 to 2000 52
>2000 to 3000 66
>3000 to 4000 81
>4000 to 5000 96