Revotron Engineering supply Check valves (NRV) are Bolted cover swing type, dual plate type, wafer type, disc type designed from PN 10, PN 16, 150# To 600# .These valves are suitable for vertical and horizontal lines. These check valves are swing type and bolted cover construction. The one piece disc construction is securely fastened to the hinge by means of a lock nut & pin. The disc is free to rotating type to avoid any other wear. The hinge pin offers excellent wear resistance properties.

TECHNICAL SPECIFICATIONS

Specifications	Details
Material :	ASTM A 216 GR WCB, ASTM A 217 GR WC1/WC6/WC9/WC11, ASTM A 352 GR LCB/LC3, IS 210 GR FG 200/220/250/260 Etc
Manufacturing Standard :	BS 1868 / API 594
End Connection :	Flanged End, Screwed End to BSP, BSP (T), NPT, Socket Weld, Butt-weld End.
Pressure Rating :	150# To 600#
Inspection & Testing :	BS 6755 / API 598 / DIN 3230