Threaded plugs with NPT thread - ZZT

TYPE	A	B	C	D
ZZT 18	1/8 NPT	11	16	6 HR 14
ZZT 14	1/4 NPT	16	23	6 HR 17
ZZT 38	3/8 NPT	16	23	6 HR 19
ZZT 12	1/2 NPT	22	31	6 HR 24
ZZT 34	¾ NPT	22	32	6 HR 30
ZZT 100	1 NPT	25	37	6 HR 36
Use:	Closure of unused welds and pressure outlets with NPT thread
Work pressure:	PN 63
Operating temperature:	- 20 to + 150 °C
Material:	Carbon unalloyed steel, galvanized
Design:	The plug is marked with the type of thread
Order example:	THREADED PLUG ZZT 12
Can be delivered by agreement:	- with inspection document according to ČSN EN 10204 - from another material (corrosion-resistant steel, etc.)