SPECIFICATION

These gates are made generally as per BS:3042.

APPLICATION

These gates are mounted on the face of a wall and are used to isolate flow in and out of a conduit and are manufactured for seating heads upto lS meters. These gates are not suitable for unseating head application.

SALIENT FEATURES

• Spigot back frame designed for mounting on wall through grouting of spigot in wall opening and anchoring of frame face on face of wall using anchor bolts.
• Closed top frame up to gates size 1000x1000 and open top frame for gates bigger than this size.
• Suitable for seating head application only.
• Fixed taper wedges on shutter to match with adjustable taper wedges provided on frame.
• Non corroding metal to metal sealing faces/strips on the periphery of gate aperture for conventional bottom closure gates. Sealing faces fitted by counter sunk head machine screws on plain machined faces of frame & shutter.
• Offered with conventional bottom closing.
• Provided with pin and knuckle type stem connecting arrangement to connect the shutter with the spindle.
• Rising spindle gate with lift mechanism mounted on separate platform above gate frame to transfer thrust reaction on platform.
• Single piece or multi-piece spindle as required to connect the shutter to the gate operating arrangement.
• Couplings as required to connect the multi-piece spindles.
• Fixed type stem guide brackets as required to guide the spindle.
• Manual lift mechanism to enable a single person to operate gate with effort less than 20Kgs.
• Anchor bolts with nuts and washers as required for frame, stem guide brackets and pillar of lift mechanism.
• Offered with painting as required by the client or as stated in our standard painting table.

MATERIALS OF CONSTRUCTION

Depending on application and requirement, the client may select and specify the material of construction for various components from the alternatives stated in our standard materials table.

SHOP TESTING

• Leakage test at atmospheric pressure.
• Movement test for checking interference free movement of complete gate assembly.
• Seat clearance check for checking clearance between mating sealing faces.

OPTIONAL FEATURES

• Flush bottom closure arrangement
• Self contained gate with lift mechanism mounted directly on gate frame.
• Stem cover either made of galvanized steel or transparent tube.
• Gate opening indicating arrangement.
• Non rising spindle.
• Electrically operated lift mechanism with manual override facility.
• Pneumatically operated lift mechanism with manual override facility.
• Portable electric / hydraulic operator for manually operated gates.