V549A FLANGED LINEAR VALVE PN25/4 FEATURES SPECIFICATION DATA Cast iron or cast steel body with flanged end connections Low seat leakage rate Metal-to-metal seating for long life span Self-adjusting packing Accurate positioning to ensure state-of-the-art temperature control Direct-coupled electric and pneumatic s for easy mounting Approved according to DIN EN 14597 GENERAL These single seated valves are used for modulating control of hot or chilled water or steam in heating, ventilating, and air conditioning systems and can be operated by electric linear s as ML642/25 or ML742/25 and ML6421/ML7421, or by pneumatic s MP953. SPECIFICATIONS Action Stem down to close Nominal pressure rating PN25/4 Flow characteristic Equal percentage Rangeability 5:1 Leakage rate.5% of k VS up to DN5.1% of k VS for DN65 to DN Stroke 2 mm up to DN65 38 mm for DN8 to DN Valve body End connections Flanged per ISO 75-2 Material Cast steel (GS-C25) Dimensions See Fig. 1 on page 3 Trim Seat Stainless steel, replaceable Plug Stainless steel, skirt-guided Stem Stainless steel Packing Spring-loaded PTFE V-rings Medium temperature and pressure Maximum temperature differential in alternating hot cold water use 2... 12 C: max. 4 kpa 12... 15 C: max. 392 kpa 15... 2 C: max. 38 kpa 2... 22 C: max. 372 kpa 6 K Copyright 28 Honeywell Inc. All Rights Reserved ENB-238GE51 R58
SIZES AND FLOW CAPACITIES order number valve size k VS V549A227.25 V549A235.4 V549A243.63 V549A1425 1. V549A1433 1.6 V549A1441 2.5 V549A1458 4. V549A158 DN2 6.3 V549A1565 DN25 1. V549A1573 DN32 16. V549A1581 DN4 25. V549A1599 DN5 4. V549A167 DN65 63. V549A1615 DN8. V549A1623 DN 16. INSTALLATION Water should meet VDI 235 requirements. Do not install valve with stem below the horizontal. Fluid flow must correspond with the arrow direction on the valve body. The installation of a strainer is strongly recommended. REPAIR PACKING KIT Part no. R 43 176 755 4 (DN 15 to 65) R 43 176 755 5 (DN 8 to ) ACTUATORS Electric Actuators force model 6 N ML642A ML742A 6 N spring return ML6425A,B ML7425A,B M6421A M7421A 18 N M6421B M7421B stroke 2 mm 38 mm size -65 DN8- Pneumatic Actuators valve size pneumatic MP953A DN MP953B 15-65 MP953C MP953D DN 8- action model size direct reverse MP953A MP953C 5, 8 7 5, 8 7 positioner x x yes x x no 13 x - yes no CLOSE-OFF PRESSURE RATINGS (in kpa) Electric Actuators model ML642A, ML6425A,B ML742A, ML7425A,B force k VS.25-1. k VS 2.5-4. valve size DN2/25 DN32 DN4 DN5 DN65 DN8/ 6 N 16 6 35 2 12 - M6421A,B, M7421A,B 18 N - 25 25 2 13 75 5 23 ENB-238GE51 R58 2
Pneumatic Actuators MP953 spring range air pressure in k VS.25-1.6 k VS 2.5-4. valve size DN 2 DN 25 DN 32 DN 4 DN 5 DN 65 DN 8 DN C 5 14 48 kpa (2 7 PSI) 4 73 73 73 42 25 12 7 - - A,C 5 115 kpa 32 41 41 41 23 12 5 2 - - C 5 55 83 kpa (8 12 PSI) 2 22 22 22 11 5 - - - - D 7 B,D 7 55 9 kpa (8 13 PSI) kpa 4 57 57 57 33 19 9 4 - - 4 135 135 135 8 49 26 16 - - C 8 14 48 kpa (2 7 PSI) 4 27 27 27 16 57 36 - - A,C 8 4 15 15 15 89 54 3 18 - - C 8 55 83 kpa (8 12 PSI) 115 kpa 4 12 12 12 7 42 22 13 - - C 13 14 48 kpa (2 7 PSI) - - - - - - - - 62 62 A,C 13 - - - - - - - - 32 32 DIMENSIONS Valve A stroke V549A Y1,2,3 B Y1 Y2 Without stem extension for ML642/25 ML742/25 M6421, M7421 MP953A,C 5 MP953B,D With stem extension for MP953A,C 8 Fig. 1. V549A,B (dimensions in mm) Y3 With stem extension for MP953A,C 13 valve size A 15 13 29 15 25 16 32 18 4 2 5 23 65 29 8 31 35 B 126 155 adjustment dimension (valve in closed position) Y1 Y2 Y3 89 133-181 133-19 3 ENB-238GE51 R58
Electric Actuators 64 178x (178) 64 178x (178) 43 additional knock-out for cable fitting: 18.9 (PG11) 142 239 264 36 additional knock-out for cable fitting: 18.9 (PG11) 24 31 326 Fig. 2. ML6421A, ML7421A (dimensions in mm) Fig. 3. ML6421B, ML7421B (dimensions in mm) 135x(161) 67.4 135x(161) 242 67.4 233 322 (with High-Temperature Kit: 42 mm) 364 (with High-Temperature Kit: 444 mm) 141 192 284 Fig. 4. ML642A / ML742A (left) and ML6425A,B / ML7425A,B (right) ENB-238GE51 R58 4
Pneumatic Actuators Actuator O.S. No. DIN Registration No. E H K E H ML6425A36 ML6425A314 ML7425A68 MP953B53 MP953D59 1F139/8 1F12392 5 G F MP953A,C MP953B,D Fig. 5. MP953A,B,C,D (dimensions in mm) NOTE: V549 valves up to DN5 in combination with the following s are approved according to DIN EN 14597: 5 7 G F Model E F G H K MP953A 5 192-13 MP953C 5-12 12 MP953A 8 237-21 MP953C 8-165 14 - MP953A 13 327-343 MP953C 13-255 2 MP953B 242-18 MP953D - 137 12 17 5 ENB-238GE51 R58
Manufactured for and on behalf of the Environmental and Combustion Controls Division of Honeywell Technologies Sàrl, Ecublens, Route du Bois 37, Switzerland by its Authorized Representative: Automation and Control Solutions Honeywell GmbH Böblinger Strasse 17 7111 Schönaich Germany Phone: (49) 731 6371 Fax: (49) 731 637493 http://ecc.emea.honeywell.com Subject to change without notice. Printed in Germany ENB-238GE51 R58