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      SUPERVISORY SWITCH FOR INDICATOR POST

        MODEL: SD-SVS IP SERIES

        The SD-SVS OSY Series is used to monitor the open position of an OS&Y (outside screw and yoke) type gate valve. This device is available in three models; the SD-SVS OSY-1, containing one set of SPDT contacts, the SD-SVS OSY-2, containing two sets of SPDT contacts and the SD-SVS OSY-3, containing two sets of SPDT and cover tamper. These switches mount conveniently to most OS&Y valves ranging in size from 2” to 12” (50mm to 300mm). They will mount on some valves as small as ½” (12.5mm). Supervisory Switch shall be installed on each valve as designated on the drawings and/or as specified herein. Switches shall be mounted so as not to interfere with the normal operation of the valve and shall be adjusted to operate within two revolutions of the valve control or when the stem has moved no more than one-fifth of the distance from its normal position. The mechanism shall be contained in a die cast metal housing that provides a side entrance for ½” conduit and incorporates the necessary facilities for attachment to the valve. A grounding provision is provided. The switch assembly shall include two switches each with a rated capacity of 10 Amp @ 125/250VAC and 2.5 Amp @ 24 VDC. The supervisory switch shall be Underwriters La boratories listed for indoor or outdoor use.

        MODEL: SD-SVS IP SERIES

        The SD-SVS OSY Series is used to monitor the open position of an OS&Y (outside screw and yoke) type gate valve. This device is available in three models; the SD-SVS OSY-1, containing one set of SPDT contacts, the SD-SVS OSY-2, containing two sets of SPDT contacts and the SD-SVS OSY-3, containing two sets of SPDT and cover tamper. These switches mount conveniently to most OS&Y valves ranging in size from 2” to 12” (50mm to 300mm). They will mount on some valves as small as ½” (12.5mm). Supervisory Switch shall be installed on each valve as designated on the drawings and/or as specified herein. Switches shall be mounted so as not to interfere with the normal operation of the valve and shall be adjusted to operate within two revolutions of the valve control or when the stem has moved no more than one-fifth of the distance from its normal position. The mechanism shall be contained in a die cast metal housing that provides a side entrance for ½” conduit and incorporates the necessary facilities for attachment to the valve. A grounding provision is provided. The switch assembly shall include two switches each with a rated capacity of 10 Amp @ 125/250VAC and 2.5 Amp @ 24 VDC. The supervisory switch shall be Underwriters La boratories listed for indoor or outdoor use.

        Features

        • The supervisory switch is used to monitor the open position of an Outside Screw and Yoke (OS&Y) type gate valve.
        • User-friendly mounting bracket fits newer valve yokes
        • Fine adjustment feature for fast, easy installation.
        • Three position switch detects tampering and valve closure .
        • Visual switch indicators.
        • Adjustable length trip rod.
        • Three position switch detects tampering and valve closure .
        • Knurled mounting bracket prevents slipping.
        • One or two SPDT contact models
        • Adjustable length actuator eliminates the need for cutting the shaft.
        • Three position switch monitors vandal and valve close signals.

        Technical Data

        Weight 0.45 Kg
        Enclosure Cover : Die Cast
        Base : Die Cast
        Finish : Red Powder Coated
        All parts have corrosion resistant finishes.
        Cover Tamper Tamper Resistant Screws
        Cover Tamper Switch Available
        3 Amps / 5 Amps at 125/250VAC
        Contact Rating SD-SVS IP-1 : One Set of SPDT
        SD-SVS IP-2 : Two Sets of SPDT
        SD-SVS IP-3 : Two Sets of SPDT and Cover Tamper
        10.0 Amps at 125/250 VAC
        2.5 Amps at 30VDC Resistive
        Conduit Entrance One Knockouts and one hole for ½” conduit provided
        Temperature Range – 32°F to 120°F ( 0°C to 49°C)
        Service Use • Automatic Sprinkler: NFPA 13
        • One or Two Family Dwelling: NFPA 13D Residential
        • Occupancies up to 4 Stories: NFPA 13R National Fire Alarm
        • Code: NFPA 72