Safety Head Assembly
Pressures to 21,000 psi
MAXIMATOR safety head assemblies are used to provide over-pressure protection to high pressure systems.

These safety head assemblies are to be used with the appropriate ¼” angular rupture disc.

Safety Head Assembly Catalog Number without Disc	Fits Connection Type	Pressure Rating (psi)	Body Torque (ft - lbs.)	Dimensions (in.)
				A (Hex.)	B (Hex.)	c (LG.)	D (I.D.)	E (I.D.)
21SH4M	4MF	21,000	20	1.06	0.88	2.48	0.109	0.250
21SH6M	6MF	21,000	30	1.06	0.88	2.72	0.203	0.250
21SH9M	9MF	21,000	55	1.06	0.88	2.51	0.312	0.250
21SH12M	12MF	21,000	90	1.19	0.88	2.72	0.312	0.250
21SH16M	16MF	21,000	150	1.44	0.88	2.72	0.312	0.250

All dimensions for reference only and are subject to change.
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