Simple Set. Pressure Independent Control Valves 2 Way 1/2-2

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Mervin Todd Hawkins
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The Bray Simple Set is a threaded pressure independent control (PIC) valve designed for a wide variety of hot water and chilled water control applications.

Simple Set Pressure Independent Control Valves 2 Way 1/2-2 01/17/19 The maximum flow rate is easily set by hand with an adjustment on the top of the valve.

1 The Bray Simple Set is a threaded pressure independent control (PIC) valve designed for a wide variety of hot water and chilled water control applications. The SS Series combines high rangeability control and dynamic balancing into a single compact housing, eliminating the material, installation and commissioning costs of a separate balancing component. Simple Set Pressure Independent Control Valves 2 Way 1/2-2 01/17/19 The maximum flow rate is easily set by hand with an adjustment on the top of the valve. The unique design of the Simple Set provides full stroke of the control element, even when the flow rate setting is a small percentage of the maximum flow capacity of the valve. Simple Set valves achieve a continuous flow rate at any fixed position of the valve irrespective of inlet pressure change. This prevents overflow at any load condition, which contributes to optimal coil performance and primary equipment efficiency. System Types: Fan Coils, VAV Reheat Coils, Chilled Beams, Computer Room Air Conditioning Units and Air Handling Units. Features and Benefits Brass Housing with high flow cavity Robust design, resistant to high temperatures and moderate levels of particulate. Low pressure drop Reduces pump head requirements for added energy efficiency. Long Stroke Provides greater controlability. minimum straight pipe lengths required before or after the valve Provides for maximum piping flexibility, even in crowded mechanical rooms. SS-1

2 Simple Set - Valve Specifications 1/2 2 Technical Specifications - Valve Valve Body Service Cold Working Pressure Media Temp. Range Operational P Minimum Operational P Maximum Maximum Close-Off Pressure Valve Operation Shut-Off Leakage Stroke End Connections Materials Body Material Flow Regulation Unit 1/2-2 Hot Water, Chilled Water, 50/50 Glycol Solutions 300 PSI (20 Bar) 32 F to 248 F (0 C to 120 C) Varies by size. See page SS-7 & SS-8 58 psid (400kPa) 58 psi (400kPa) Push Down to Close, rmally Open ANSI Class IV (0.01%) 1/2" to 1 1/4" = 0.22" (5.5mm) 1.5" to 2" = 0.59" (15mm) NPT Threaded Brass PPS 40% Glass Weights (lbs.) Diaphragm Spring O-Rings Valve Body Only HNBR Stainless Steel EPDM 1/ lb.,..90 kg 3/ lb.,.90 kg lb.,.1.00 kg 1-1/ lb., 1.60 kg 1-1/ lb., 2.90 kg lb., 4.00 kg Disclaimer - The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these specifications, consult the local Bray office. Bray, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. SS-2

3 Simple Set - Actuator Specifications Technical Specifications Actuator Models Supply Voltage PA24-27 On/Off & Floating n-fail Safe Valve Sizes 1/2" to 1-1/4" Valve Sizes 1-1/2" to 2" PA24-27-FS PAM24-27 PAM24-27-FS PAM PAM FS On/Off,Floating On/Off,Floating On/Off & Floating Modulating Modulating & Modulating & Modulating Fail Safe n-fail Safe Fail Safe n-fail Safe Fail Safe 22 to 26 AC/DC 22 to 26 VAC or 28 to 32 VDC Power Consumption 5 VA 10 VA Peak, 6 VA 6 VA 6VA, 20VA Start Up Control Signal 2 Position On/Off or 3-Point Floating 2 Position On/Off or 3-Point Floating Analog, 0-10Vdc or 2-10Vdc; 4-20mA with external 500Ω resistor 2 Position On/Off (Digital-Pulse Width Modulation), 3 Point Floating, Modulating (Analog) Input Impedance Feedback Signal 4.7 K 4.7 K 10.0 K 100 K 100 K 4 to 20 ma or 2 to 10VDC 0-10VDC or 2-10VDC adjustable (Factory set to 4 to 20 ma) Failsafe Function Yes (60 Sec. Runtime) Yes (60 Sec. Runtime) Yes (60 Sec. Runtime) Anti-Stick Optional² Optional² Yes Operation Time 120 Seconds 90 Seconds Enclosure Rating NEMA type 3R (Equivalent to IP54) NEMA type 3R (Equivalent to IP54) Ambient Temperature 36 F to 122 F (2 C to 50 C) 0 F to 122 (-18 C to 50 C) Humidity Rating Connection ise Rating 3 wires 18 AWG halogen free cable, 3.2 ft. 5 to 95% RH n Condensing 4 wires 18 AWG halogen free cable, 3.2 ft. >35dBA 5 to 95% RH n Condensing Terminal Connection. Use 18 AWG Minimum >35dBA Dimensions Weight L) 4.09 x (W) 2.08 x (H) 3.62 L) 4.09 x (W) 2.08 x (H) 4.18 L) 4.80 x (W) 3.60 x (H) lb. (0.4 kg) 2.0 lb. (0.9 kg) Agency Listing 2 Anti-Stick Option culus, ccsaus, C Є culus, ccsaus, C Є With the anti-stick option activated, the actuator will make one full cycle every 24 hours, if the actuator constantly has been in fully open or fully closed position during the previous 24 hours. This operation will clear up any possible impurities accumulated in the valve, and re-calculate the end positions. Simple Set - Piping Diagrams RETURN COIL The pipe system shall be properly ventilated to avoid risk of air pockets. Glycolic mixtures up to 50% are applicable (both ethylene and propylene). Bray can accept no responsibility if another actuator is used instead of the actuator provided. SS-3

4 Simple Set - Actuator Wiring Series 27 Actuators PA24-27 On/Off, n-failsafe PA24-27 Floating, n-failsafe 24 Vac/Vdc CLOSE OPEN 24 Vac/Vdc CLOSE OPEN PA24-27-FS On/Off, Failsafe PA24-27-FS Floating, Failsafe 24 Vac/Vdc GREEN CLOSE OPEN 24 Vac / Vdc 24 Vac/Vdc GREEN CLOSE OPEN 24 Vac / Vdc PAM24-27 Modulating, n-failsafe PAM24-27-FS Modulating, Failsafe GREEN 24 Vac / Vdc ANALOG SIGNAL 24 Vac / Vdc ANALOG SIGNAL GREEN FAILSAFE CONTROLED BY DIP SWITCHES Series 100 Actuator PAM On/Off, Floating & Modulating, n-failsafe Analog Modulating TB1 24 Vac or 30 Vdc (+) INPUT SIGNAL Digital 3 wire / 2 position On/Off DRIVE UP (OPEN) DRIVE DOWN (CLOSE) (+) PAM FS On/Off, Floating & Modulating, Failsafe Analog Modulating TB1 24 Vac or 30 Vdc (+) INPUT SIGNAL Digital 3 wire / 2 position On/Off DRIVE UP (OPEN) DRIVE DOWN (CLOSE) (+) Digital 4 wire / 3 point floating Digital 4 wire / 3 point floating DRIVE UP (OPEN) DRIVE DOWN (CLOSE) (+) DRIVE UP (OPEN) DRIVE DOWN (CLOSE) (+) Special consideration for Digital control In this mode, the actuator is sensitive to induced electrical voltages from external sources. To prevent such interference, if the signal on pins 4 and 3 on TB1 are from an external 24 Vac source, install a resistor 2.2kohm, 0.5W between pins 4 and 1 and another of 2.2kohms, 0.5W between pins 3 and 1 of TB1. These resistors are included. Input Signal and Feedback setup Input Signal Feedback Input Signal is set with Dipswitch # 3 Analog Mode DS1-3 at OFF = 2 10Vdc (default setting) DS1-3 at ON = 4 20mA Feedback is set with Dipswitch #4 DS1-4 at OFF = 4 20mA (default setting) Input Signal Setting DS1-4 at ON = 2 10Vdc Digital & PWM Mode! DS1-3 MUST be at OFF SS-4

5 Simple Set - Valve/Actuator Dimensions H1 D D H H H1 1/2-1-1/4 L 1-1/2-2 L Technical data Valve Size 1/2 3/ /4 1-1/2 2 Liters per Low Flow Cartridge hour (l/h) Std. Flow Cartridge Gallons per Low Flow Cartridge minute (gpm) Std. Flow Cartridge Flow Rate Dimension in., (mm) Weight L H H1 D lbs, (kg) Dimensions may vary, depending on the actuator. Dimensions are shown for the largest actuator currently available. Dimensions are shown in inches and are approximate. 3.62, (92) 2.68, (68) 7.88, (200) 3.62, (92) 2.68, (68) 7.88, (200) 3.78, (96) 2.68, (68) 7.88, (200) 5.04, (128) 3.03, (77) 8.66, (220) 5.71, (145) 3.43, (87) 16.00, (406) 6.34, (161) 3.70, (94) 15.25, (387) 1.18, (30) 2.5, (1.14) 1.42, (36) 2.5, (1.14) 1.73, (44) 2.6, (1.18) 2.05, (52) 4.1, (1.86) 2.33, (59) 7.9, (3.60) 3.07, (78) 10.3, (4.70) Simple Set - Model Number Matrix SS = Simple Set Sample Model Number SS 1 N S x /PA24-27 Prefix: Simple Set Size of Valve End Connections - NPT Flow Range Pressure Cartridge - (H) High, (L) Low or (S) Standard Flow Setting GPM. See Charts on Page SS-7 Actuator Selection SS-5

Simple Set - How it Works Function Unlike conventional control valve sizing where valves are sized to a Cv, the Simple Set valves are simply sized for flow and pipe size.

6 Simple Set - How it Works Function Unlike conventional control valve sizing where valves are sized to a Cv, the Simple Set valves are simply sized for flow and pipe size. Refer to the ordering table for the wide range of flow values available. IMPORTANT: Valve diameter should NEVER exceed pipe diameter! Design The design of Simple Set combines high performance with small size and compact construction. The main components of the valve are: Actuator Reacts to building controller call for more or less flow m m 3 Pre-Setting Scale (Detail) Pre-Setting Scale Sets maximum flow allowed through the valve. 3 2 Modulating Control Component 1. Rotates laterally to limit max flow through the valve per the Pre-Setting Scale 2. Moves vertically in response to the actuator call for more or less flow. 1 Pressure Control Cartridge Ensures constant flow rate is achieved under fluctuating system pressures. As the system differential pressure increases and decreases, the Dp controller absorbs and releases pressure through an internal capillary tube maintaining a constant Dp across the valve. 4 P/T Plugs Allows for measurement of water flow and temperature. SS-6

7 Simple Set - Flow Rate Charts 1/2 Model Number SS-05-N-S-1.5 SS-05-N-S-1.6 SS-05-N-S-2.0 SS-05-N-S-2.4 SS-05-N-S-2.8 SS-05-N-S-3.2 SS-05-N-S-3.5 SS-05-N-S-3.9 SS-05-N-S-4.3 SS-05-N-S-4.6 SS-05-N-S-5.0 SS-05-N-S-5.3 SS-05-N-S-5.7 SS-05-N-S-6.0 SS-05-N-S-6.3 SS-05-N-S-6.6 SS-05-N-S-6.8 SS-05-N-S-7.0 SS-05-N-S-7.2 SS-05-N-S-7.3 1/2 Standard Flow Rate Cartridge 1/2 Low Flow Rate Cartridge Pre-Set Min. PSI Flow l/h Flow GPM SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L SS-05-N-L /2 3/4 3/4 Standard Flow Cartridge SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S SS-75-N-S See braycommercialdivision.com for Specific Flow Rate Settings Calculator 3/4 3/4 Low Flow Rate Cartridge SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-75-N-L SS-7

8 Simple Set - Flow Rate Charts 1 1 Standard Flow Rate Cartridge SS-1-N-S SS-1-N-S SS-05-N-S SS-1-N-S SS-1-N-S SS-1-N-S SS-1-N-S SS-1-N-S SS-1-N-S SS-1-N-S SS-1-N-S SS-1-N-S SS-1-N-S SS-1-N-S SS-1-N-S SS-1-N-S SS-1-N-S SS-1-N-S SS-1-N-S SS-1-N-S /4 1-1/4 Standard Flow Rate Cartridge SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S SS-125-N-S /2 1-1/2 Standard Flow Rate Cartridge SS-150-N-S SS-150-N-S SS-150-N-S SS-150-N-S SS-150-N-S SS-150-N-S SS-150-N-S SS-150-N-S SS-150-N-S SS-150-N-S SS-150-N-S SS-150-N-S SS-150-N-S SS-150-N-S SS-150-N-S SS-150-N-S-33.3 SS-150-N-S-34.6 SS-150-N-S-35.5 SS-150-N-S-36.0 SS-150-N-S See braycommercialdivision.com for Specific Flow Rate Settings Calculator 2 2 Standard Flow Rate Cartridge SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS-2-N-S SS Bray International, Inc.

Simple Set Max. Pressure Independent Control Valves 2 Way 2-1/ /09/18

Simple Set Max. Pressure Independent Control Valves 2 Way 2-1/ /09/18 The Bray Simple Set Max is a flanged pressure independent control (PIC) valve designed for a wide variety of hot water and chilled water control applications. The SSM Series combines high rangeability