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1 - Griswold Controls

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1 - Griswold Controls

ACTUATED CONTROL VALVES ACTUATED VALVES

    PERFORMANCE SPECIFICATIONS

     PIC-V? Valve .......................................................................................................... 1

    Unimizer? (1/2” to 3”) ............................................................................................. 2

    Unimizer? (4” to 6”) ................................................................................................ 3

    Automizer? ............................................................................................................. 4

    MVP? Valve ............................................................................................................ 5

PIC-V? Valve

    1. PRESSURE INDEPENDENT ACTUATED BALL VALVES AND CARTRIDGE (PIC-V)

    1.1. The modulating control valves shall be pressure independent and shall include a

    Pressure Compensating Cartridge, Actuated Ball Valve, and Manual Isolation Ball in a

    single valve housing.

    1.2. Valve housing shall consist of forged brass, rated at no less than 360 psi at 250?F.

    1.3. Valve shall have a fixed end or union end connection with factory installed air vent to

    allow for venting of the coil or heat pump.

    1.4. Dual pressure/temperature test valves for verifying the pressure differential across the

    cartridge and flow limiting ball shall be standard. Valves without pressure/temperature

    test valves shall not be allowed. Valves that require additional pressure/temperature

    test valves to be installed shall not be allowed.

    1.5. A flow tag shall be furnished with each valve.

    1.6. A flow chart shall be furnished that provides flow rate at reduced load positions for

    commissioning as well as programming into the Building Management System for flow

    and/or energy management purposes.

    2. PRESSURE COMPENSATING CARTRIDGE (PCC)

    2.1. PCC shall automatically compensate for pressure changes in valve and shall maintain

    a constant pressure drop across the flow limiting actuated ball.

    2.2. Valve internal control mechanism includes a diaphragm and full travel linear coil

    stainless steel spring.

    2.3. Valves shall include an accessible/ replaceable cartridge.

    3. ACTUATED BALL VALVE

    3.1. Valve ball shall consist of chemically plated nickel brass or stainless steel.

    3.2. Actuated stem shall be removable/replaceable without removing valve from line. Replaces form F-4286G 4/12 1 This specification ? 2012 Griswold Controls F-4286J

    2803 Barranca Parkway, Irvine, CA 92606

    (949) 559-6000 Fax (949) 559-6088

    www.GriswoldControls.com

ACTUATED CONTROL VALVES ACTUATED VALVES

    3.3. Actuated ball shall include a shut off to provide bubble tight close off when actuated ball

    is closed. Pressure Independent valves that allow ANSI Class 4 leakage or higher

    shall not be accepted.

    3.4. Manufacturer shall be able to provide ball insert to limit flow to maximum flow rate with

    ?5% accuracy. Accuracy over +/-5% shall not be accepted.

    3.5. Actuated ball shall accurately control the flow from 0 to 100% full flow using the entire

    90 degrees of actuator rotation. Valves that use less than 90 degrees of the actuator

    stroke shall not be accepted.

    3.6. Valve shall have EPDM O-rings behind the seals to allow for a minimum close-off

    pressure of 100 psi with 35 in-lbs of torque for 1/2" 3" sizes.

    3.7. The actuator and plate can be rotated after mounting.

    3.8. A universal mounting plate shall allow installation of actuators meeting the system

    electrical requirements and valve torque requirements as provided by Belimo, ELO

    Drive, Honeywell, Invensys, Johnson Controls, KMC, Neptronics, or Siemens. The

    control valve actuator may be furnished by the controls contractor under Section 15970

    or by the Pressure Independent Control Valve manufacturer.

    4. ISOLATION BALL VALVE

    4.1. Valve shall include a 600 WOG manual isolation ball valve.

    4.2. Stem shall be removable/replaceable without removing valve from line. Unimizer? (1/2” to 3”)

    1. ACTUATED BALL VALVE

    1.1. Valve housing shall consist of forged brass CuZn39Pb2 rated at no less than 360 psi at

    250?F.

    1.2. Manufacturer shall be able to provide glass-filled polymer ball insert to make flow

    control equal percentage.

    1.3. Valve ball shall consist of chemically nickel-plated brass. 2-Way Valve: Manufacturer

    shall be able to provide optional 316 SS ball and stem.

    1.4. Valve shall have a blow-out proof stem with two EPDM O-Rings with minimum 600 psi

    rating.

    1.5. 2-Way Valve: Valve shall have EPDM O-Rings behind ball seals to allow for a minimum

    close-off pressure of 100 psi with 35 in-lbs of torque for 1/2" - 2" sizes. 3-Way Valve: 40

    psi with 35 in-lbs of torque.

    1.6. 2-Way Valve: Valve shall be available with a minimum of 25 unique Cv values. 3-Way

    Valve: Bypass Cv shall be 80% of Through Cv.

    1.7. Stem shall be removable/replaceable without removing valve from line

    1.8. 3-Way Valve: Valves shall be installed in Tee configuration with actuator perpendicular

    to shaft. Valve shall not require elbows of any kind.

    Replaces form F-4286G 4/12 2 This specification ? 2012 Griswold Controls F-4286J

    2803 Barranca Parkway, Irvine, CA 92606

    (949) 559-6000 Fax (949) 559-6088

    www.GriswoldControls.com

ACTUATED CONTROL VALVES ACTUATED VALVES

    2. VALVE ACTUATOR

    2.1. Control valve actuator shall be analog modulating (4-20 mA or 2-10 V), floating (tri-

    state), Pulse Width Modulation, or two position as indicated in the control sequence.

    2.2. Actuator shall provide minimum torque required for full valve shutoff position.

    2.3. A 3 foot cable shall be provided for installation to electrical junction box.

    2.4. A universal mounting plate shall allow installation of actuators meeting the system

    electrical requirements and valve torque requirements as provided by Belimo, ELO

    Drive, Honeywell, Invensys, Johnson Controls, KMC, Neptronics, or Siemens. The

    control valve actuator may be furnished by the controls contractor under Section 15970

    or by the Valve manufacturer.

    3. ACCESSORIES

    3.1. Identification tags shall be available for all valves; tags shall be indelibly marked with

    Cv, model number and location; tags shall be 3" x 3" aluminum.

    Unimizer? (4” to 6”)

    1. ACTUATED BALL VALVE

    1.1. Valve housing shall consist of cast iron ASTM A395, 60-40-18 rated at no less than 240

    psi at 250?F. Valve housing shall have ANSI Class 125 flanges.

    1.2. Valve ball shall consist of stainless steel with parabolic ports to make flow control equal

    percentage.

    1.3. Valve shall have a blow-out proof stem with two EPDM O-Rings.

    1.4. Valve shall have EPDM O-Rings behind ball seals to allow for a minimum close-off

    pressure of 70 psi with 88 in-lbs of torque for 4” and 5” valves. 6” valves shall require

    actuators with 140 in-lbs of torque for flowrates under 700 gpm.

    1.5. Valve shall be available with a minimum of 5 unique Cv values for each size. 3-Way

    Valve: Bypass Cv shall be 80% of Through Cv.

    2. VALVE ACTUATOR

    2.1. Control valve actuator shall be analog modulating (4-20 mA or 2-10 V), floating (tri-

    state), Pulse Width Modulation, or two position as indicated in the control sequence.

    2.2. Actuator shall provide minimum torque required for full valve shutoff position.

    2.3. A 3 foot cable shall be provided for installation to electrical junction box.

    2.4. A universal mounting plate shall allow installation of actuators meeting the system

    electrical requirements and valve torque requirements as provided by Belimo, ELO

    Drive, Honeywell, Invensys, Johnson Controls, KMC, Neptronics, or Siemens. The

    control valve actuator may be furnished by the controls contractor under Section 15970

    or by the Valve manufacturer.

    3. ACCESSORIES

    Replaces form F-4286G 4/12 3 This specification ? 2012 Griswold Controls F-4286J

    2803 Barranca Parkway, Irvine, CA 92606

    (949) 559-6000 Fax (949) 559-6088

    www.GriswoldControls.com

ACTUATED CONTROL VALVES ACTUATED VALVES

    3.1. Identification tags shall be available for all valves; tags shall be indelibly marked with

    Cv, model number and location; tags shall be 3" x 3" aluminum.

    Automizer?

    1. INTEGRAL CONTROL / FLOW RATE LIMITING VALVE

    1.1. Valve shall consist of a dynamic flow limiting device, an integral, electrically actuated

    two-way control valve, and manual isolation ball valve.

    2. ACTUATED BALL VALVE

    2.1. Valve housing shall consist of forged brass CuZn39Pb2, rated at no less than 360 psi

    at 250?F.

    2.2. Manufacturer shall be able to provide glass-filled polymer ball insert to make flow

    control equal percentage.

    2.3. Valve ball shall consist of chemically plated nickel brass.

    2.4. Actuator stem shall be removable/replaceable without removing valve from line.

    2.5. Valve shall have EPDM O-Rings behind ball seals to allow for a minimum close-off

    pressure of 100 psi with 35 in-lbs of torque for 1/2" to 1-1/2" sizes.

    2.6. Valve shall be available with a minimum of 30 unique Cv values.

    2.7. Valve shall be available with fixed end female or fixed end sweat connections. 3. FLOW LIMITING VALVE

    3.1. Flow regulation cartridge assembly shall be precision ground, all AISI 300 series

    stainless steel; shall be available in four PSID control ranges; minimum range shall be

    capable of being actuated by less than 1.5 PSID; and shall be capable of controlling

    flow to within ?5% of rated flow.

    3.2. Flow regulation unit shall be readily accessible, for changeout or maintenance. 4. VALVE ACTUATOR

    4.1. Control valve actuator shall be analog modulating (4-10 mA or 2-10 V), floating (tri-

    state), Pulse Width Modulation, or two position as indicated in control sequence.

    4.2. Actuator shall provide minimum torque required for full valve shutoff position.

    4.3. A 3 foot cable shall be provided for installation to electrical junction box.

    4.4. A universal mounting plate shall allow installation of actuators meeting the system

    electrical requirements and valve torque requirements as provided by Belimo, ELO

    Drive, Honeywell, Invensys, Johnson Controls, KMC, Neptronics, or Siemens. The

    control valve actuator may be furnished by the controls contractor under Section 15970

    or by the Valve manufacturer.

    5. ACCESSORIES

    5.1. Identification tags shall be available for all valves; tags shall be indelibly marked with

    Cv, model number, location; tags shall be 3" x 3" aluminum.

    Replaces form F-4286G 4/12 4 This specification ? 2012 Griswold Controls F-4286J

    2803 Barranca Parkway, Irvine, CA 92606

    (949) 559-6000 Fax (949) 559-6088

    www.GriswoldControls.com

ACTUATED CONTROL VALVES ACTUATED VALVES

    MVP? Valve

    1. PRESSURE INDEPENDENT DYNAMIC FLOW CONTROL VALVE

    1.1. Dynamic control valve shall accurately control flow, independent of system pressure

    fluctuation.

    1.2. Contactor shall install dynamic flow control valves where indicated in drawings.

    1.3. Valve shall be electronic, dynamic, modulating 2-way control device

    1.4. Maximum flow setting shall be adjustable to 55 different settings within the range of the

    valve size by changing the actuator programming.

    1.5. Balancing valves shall not be required where pressure-independent valves are installed. 2. VALVE ACTUATOR

    2.1. Valve actuator housing shall be rated to IP44 insulation.

    2.2. Actuator shall be driven by a 24Vdc motor, and shall accept 2-10 Vdc, 4-20mA, 3-point

    floating or pulse width modulation electric signal and shall include resistor to facilitate

    any of these signals.

    2.3. Actuator shall be capable of providing 4-20mA or 2-10 Vdc feedback signal to the

    control system.

    2.4. External LED readout of current valve position and maximum valve position setting

    shall be standard.

    2.5. Optional fail safe system to power valve to either open or closed position from any

    position in case of power failure shall be available.

    3. VALVE HOUSING

    3.1. Housing shall be constructed of Ductile Iron ASTM A536-65T, Class 60-45-18 rated at

    no less than 580 psi static pressure and 248?C.

    4. FLOW REGULATION UNIT

    4.1. Flow regulation unit shall consist of 304 Stainless Steel and hydrogenated acrylonitrile

    butadiene rubber (1/2"1-1/2") or 316 Stainless Steel and EPDM (2"6").

    4.2. Flow regulation unit shall be accessible for maintenance.

    4.3. Dual pressure/temperature test valves for verifying accuracy of flow performance shall

    be available for all valve sizes.

    Replaces form F-4286G 4/12 5 This specification ? 2012 Griswold Controls F-4286J

    2803 Barranca Parkway, Irvine, CA 92606

    (949) 559-6000 Fax (949) 559-6088

    www.GriswoldControls.com

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