Glenfield - Water Engineers to the World

SERIES 853 PRESSURE SUSTAINING/RELIEF VALVE, PN16
The Series 853 Fig 1310  Pressure Sustaining/Relief Valve provides a constant inlet pressure regardless of outlet pressure changes and flow rate fluctuations. This valve also ensures that over pressure does not occur in the water system.

Features

• Piston design for fast response
• Flow passes down through the seat
• Long springs for accurate pressure settings
• Customised port area for smooth flow transition

BODY/COVER
Ductile Iron - BS EN 1563

TRIM
Gunmetal - BS EN 1982:1999 CC491K

COATING (internally and externally)
Epoxy (250 microns) -
WIS 4-52-01 Class B (DN80-300)
WRAS Approved to BS 6920
(DN350 - DN800)

FLANGES
BS EN 1092-2, PN16