NORMA GRIP E strong pipe coupling, W2, with EPDM seal, DN - 57.0 (56.3-57.7) [Code number: NR-0579-9100-057]

Article: NR-0579-9100-057

Application purpose:

Special features:

Material:

DN (OD)	OD min - OD max	PN	WP	C max	a	d	H	Screw	Torque	Weight
mm	mm	bar	bar	mm	mm	mm	mm	mm	Nm	kg/pc.
57.0	56.3 - 57.7	16	50	17	78	80	100	M 8 SW 6	20	0.63

PN (Nominal Pressure) is the max. admissible working pressure in shipbuilding, based on a safety factor of ≥ 4

WP is the max. working pressure in industrial applications, with a safety factor as per NORMA specification