Anti-shok Valves

The anti-shock valves are normally used to protect the pressuregauge with a double function:

to dampen the pressure surge during the opening
to isolate the instrument from the system’s pressure line

The gauge can be oriented thanks to the rotating swivel nut and the internal o-ring here inserted prevents anyfluid leakage between the gauge and the fitting.

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Anti-shock valve swivel straight connection:

Code	G	g	H	L	I	PN (Bar)
ES180ZL	ISO 7/1 R 1/4"	ISO 228 G1/4"	46	68	14	400

Anti-shock valve double swivel straight connection:

Code	g1	g2	H	L	I	PN (Bar)
ES18GLZ	ISO 228 G1/4"	ISO 228 G1/4"	46	62	16	400
ES18GFZL	ISO 228 G1/4"	ISO 228 G1/4" 60°	46	55.5	16	400

Anti-shock valve 3-way connection:

Code	G	g	H	L	I	PN (Bar)
ES18FZL	ISO 7/1 R 1/4"	ISO 228 G1/4"	46	58.5	14	400
ES18FRZL	ISO 7/1 R 1/4"	ISO 7/1 R 1/4”	46	58.5	14	400
ES18FNZL	1/4" - 18 NPTF	1/4" - 18 NPTF	46	58.5	14	400

Anti-shock valve 90° connection:

Code	G	g	G2	PN (Bar)
ES180G12LZ	ISO 7/1 R 1/4"	ISO 228 G1/4"	ISO 228 G1/2”	400

Anti-shock valve swivel straight connection:

Code	G	g	H	L	I	PN (Bar)
ES090LZ	ISO 7/1 R 1/4"	ISO 228 G1/4"	40	68	14	400