Zero velocity valve pslc

STANDARD SPECIFICATION

Size Range

100mm to 2000mm

Design

Mfr’s Std.

Type To Valve

Water hammer control spring loaded surge protection check valve

Pressure Rating

PN 10 /PN 16 / PN 20 & PN 25

END Connection

Barrel End/ Extended Barrel End/ Flanged End

Barrel, Disc & Others M. S.  Parts

M.S. to IS: 2062 Gr. Fe-410-W

Central Shaft

M.S. (Cladded with S.S.) S.S. AISI -410/304/316

Seating

S.S. to AISI – 304/316 or S.S. Overlay

Disc Seal

EPDM/Nitrile/Natural/Synthetic Rubber

Spring

Spring Steel

By-Pass Arrangement

Keep pressure balance on both side of disc. It also prevents creation of vacuum in downstream side.

Application

Resist the back flow of the water column during pump trip or closure, thus preventing the positive surge by reducing the energy of the water hammer

Special Features

• Alternately called proportional Spring Loaded Check Valve (PSLC)
• ZVV is featured self actuating.
• It does not require any external energy for actuation of the valve.
• ZVV can be installed at remote locations.
• Robust and versatile is usage for any kind of mains
• Provided with foot/saddle for easy and fast installation.
• Available in C.I./S.G.I. upto 300 NB