Sta-Kul™ Threaded Assemblies Rupture Disk

Sta-Kul™ Threaded Assemblies Rupture Disk

Performance Features

Ready to use
Set pressure controlled at factory
Convenient standard threaded connections
Available with FRB, B, D or Mini XT type rupture disks*
Standard brass body

* Available stainless steel body type A1, A2 and through A9

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Sizes & Pressures
Burst Tolerance
Documentation

Sizes & Pressures

Assembly	Inlet	Outlet	Discharge Area		Overall Height		Hex Across Flat
Assembly	in	in	in²	mm²	in	mm	in	mm
AC-1	1/4 MPT	FREE	0.05	31.6	1.094	27.8	1.125	28.6
A-1	1/4 MPT	FREE	0.05	31.6	1.094	27.8	1.125	28.6
AC-2	1/2 MPT	FREE	0.20	126	1.25	31.8	1.125	28.6
A-2	1/2 MPT	FREE	0.20	126	1.25	31.8	1.125	28.6
A-3	3/8 MPT	3/8 SAE	0.06	40	1.875	47.5	1.125	28.6
A-4	3/8 MPT	1/2 SAE	0.11	71	1.94	49.2	1.125	28.6
A-5	3/8 MPT	1/2 MPT	0.11	71	1.875	47.5	1.125	28.6
A-6	1/2 MPT	1/2 MPT	0.20	126	2.063	52.3	1.125	28.6
A-7	1/4 MPT	Muffled	0.05	31.6	1.56	39.6	1.125	28.6
A-8	1/2 MPT	Muffled	0.20	126	1.75	44	1.125	28.6
A-9	3/4 MPT	Muffled	0.31	198	2.172	55	1.125	28.6
A-10*	1 MPT	FREE	0.78	503	2.35	59.7	2	50.8
A-18**	3/4 MPT	FREE	0.44	284	2.11	53.6	1.25	31.75
A-19*	3/4 MPT	3/4 MPT	0.44	284	2.68	68.1	1.125	28.6

* Stainless Steel body material a standard option.
** Certain assemblies will have 1.125” (28.6mm) Hex across flats.

Burst Tolerance

Marked Burst Pressure	Burst Tolerance
≤ 40 psig (2.76 barg)	± 2 psig (0.138 barg)
> 40 psig (2.76 barg)	± 5%

Product Literature

Threaded Rupture Disk Assemblies Brochure

The Sta-Kul™ sealed type safety head is a throwaway assembly. The screw-type safety head has a replaceable disk.

Threaded Rupture Disk Assemblies Brochure

The Sta-Kul™ sealed type safety head is a throwaway assembly. The screw-type safety head has a replaceable disk.

Threaded Rupture Disk Assemblies Brochure

The Sta-Kul™ sealed type safety head is a throwaway assembly. The screw-type safety head has a replaceable disk.

Threaded Rupture Disk Assemblies Brochure

The Sta-Kul™ sealed type safety head is a throwaway assembly. The screw-type safety head has a replaceable disk.

Threaded Rupture Disk Assemblies Brochure

The Sta-Kul™ sealed type safety head is a throwaway assembly. The screw-type safety head has a replaceable disk.

Threaded Rupture Disk Assemblies Brochure

The Sta-Kul™ sealed type safety head is a throwaway assembly. The screw-type safety head has a replaceable disk.

Threaded Rupture Disk Assemblies Brochure

The Sta-Kul™ sealed type safety head is a throwaway assembly. The screw-type safety head has a replaceable disk.

Threaded Rupture Disk Assemblies Brochure

The Sta-Kul™ sealed type safety head is a throwaway assembly. The screw-type safety head has a replaceable disk.

Burst Alert Sensors Brochure

A range of sensors suitable for different rupture disk types used to provide immediate warning of a ruptured disk., #77-1003

Installations

Flush-Mounted Safety Head Assembly Sta-Kul™Extruders Installation Instructions

Burst Alert Leak Dectector Installation Instruction

Burst Alert Sensor Installation Instruction