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Saf-tee™ relief devices can be used with HOKE sampling cylinders as an inexpensive safety device or as a pipe size adapter for connecting valves in the make-up of cylinder assemblies.

Two basic models are available to satisfy most pressure ranges. Spring relief models are recommended for applications where re-closure is required.

Rupture Disc models are supplied with a pre-bulged rupture disc which provides excellent resistance to a broad range of hold-down plug and rupture disc to prevent damage due to torque transmission during assembly. A safety screen minimizes fragment release through the plug vents. The maximum operating system pressure should be limited to 80% of the nominal rating of the rupture disc for static operating pressure and ambient temperature. It should be limited to 70% if pressure pulsations occur or used at elevated temperature. The burst tolerance is within the ASME code guidelines.
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Item #

Material

Replacement Rupture Disc Kit

Inlet Size

Outlet Size

Operating Pressure

Operating Temperature Range

CAD

6712L4YD N/A 316 Stainless Steel N/A SP6712K1 N/A 1/4" male NPT N/A 1/4" female NPT N/A 1400 to 1600 psi N/A -20 to +250 ºF-29 to +121 ºC N/A CAD Icon (for items table)
6712L4YG N/A 316 Stainless Steel N/A SP6712K2 N/A 1/4" male NPT N/A 1/4" female NPT N/A 1800 to 2000 psi N/A -20 to +250 ºF-29 to +121 ºC N/A CAD Icon (for items table)
6712L4YE N/A 316 Stainless Steel N/A SP6712K3 N/A 1/4" male NPT N/A 1/4" female NPT N/A 2600 to 3000 psi N/A -20 to +250 ºF-29 to +121 ºC N/A CAD Icon (for items table)
6712L4YF N/A 316 Stainless Steel N/A SP6712K4 N/A 1/4" male NPT N/A 1/4" female NPT N/A 3500 to 4100 psi N/A -20 to +250 ºF-29 to +121 ºC N/A CAD Icon (for items table)
6712L4YH N/A 316 Stainless Steel N/A SP6712K5 N/A 1/4" male NPT N/A 1/4" female NPT N/A 5400 to 6200 psi N/A -20 to +250 ºF-29 to +121 ºC N/A CAD Icon (for items table)
6712L64YD N/A 316 Stainless Steel N/A SP6712K1 N/A 3/8" male NPT N/A 1/4" female NPT N/A 1400 to 1600 psi N/A -20 to +250 ºF-29 to +121 ºC N/A CAD Icon (for items table)
6712L64YG N/A 316 Stainless Steel N/A SP6712K2 N/A 3/8" male NPT N/A 1/4" female NPT N/A 1800 to 2000 psi N/A -20 to +250 ºF-29 to +121 ºC N/A CAD Icon (for items table)
6712L64YE N/A 316 Stainless Steel N/A SP6712K3 N/A 3/8" male NPT N/A 1/4" female NPT N/A 2600 to 3000 psi N/A -20 to +250 ºF-29 to +121 ºC N/A CAD Icon (for items table)
6712L64YF N/A 316 Stainless Steel N/A SP6712K4 N/A 3/8" male NPT N/A 1/4" female NPT N/A 3500 to 4100 psi N/A -20 to +250 ºF-29 to +121 ºC N/A CAD Icon (for items table)
6712L64YH N/A 316 Stainless Steel N/A SP6712K5 N/A 3/8" male NPT N/A 1/4" female NPT N/A 5400 to 6200 psi N/A -20 to +250 ºF-29 to +121 ºC N/A CAD Icon (for items table)
6711L4YC N/A 316 Stainless Steel N/A N/A 1/4" male NPT N/A 1/4" female NPT N/A 350 to 400 psi N/A -20 to +250 ºF-29 to +121 ºC N/A CAD Icon (for items table)
6711L4YD N/A 316 Stainless Steel N/A N/A 1/4" male NPT N/A 1/4" female NPT N/A 540 to 600 psi N/A -20 to +250 ºF-29 to +121 ºC N/A CAD Icon (for items table)
6711L64YC N/A 316 Stainless Steel N/A N/A 3/8" male NPT N/A 1/4" female NPT N/A 350 to 400 psi N/A -20 to +250 ºF-29 to +121 ºC N/A CAD Icon (for items table)
6711L64YD N/A 316 Stainless Steel N/A N/A 3/8" male NPT N/A 1/4" female NPT N/A 540 to 600 psi N/A -20 to +250 ºF-29 to +121 ºC N/A CAD Icon (for items table)
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