2-Way and 3-Way Globe Valve Assemblies. Two-Way Pneumatic Spring Return Models

Transcription

1 2-Way and 3-Way lobe Valve ssemblies Note: hoose a valve assembly with a maximum operating differential pressure apability suffiient for the appliation. onsult Table-1 on page 5 for lose-off pressure ratings. Not all atuator and valve body ombinations are offered as fatory assemblies. Two-Way Pneumati Spring Return Models Table-12 2-Way lobe Valve ssemblies with Pneumati Spring Return tuators Spring Return MK-6811 b MK-6911 b 2-Way lobe Valve ssemblies Valve ssembly Part Number b VK VK VK VK VK VK VK VK VK VK VK VK VK VK VK VK VK VK P ode Valve Size in. v k vs / tuator Models (tuator odes) MK-6811 (602) MK-6911 (652) Linkage Kit Part Number Spring Range, psig (kpa) Maximum llowable Operating Differential Pressure d, psi (kpa) (240) (240) a Spring range field adjustable with positive positioner. b K positive positioner optional for 2-1/2 to 5 valve, required for 6" valve. Supplied as standard on VK4 fatory valve assemblies. See lobe Valve ssembly Part Numbering System and Seletion Proedure to determine a speifi part number. k vs = m 3 /h (ΔP = 100 kpa) k vs = v / v = gpm / ΔP (in psi). d Maximum allowable differential aross the valve in any open position. Less than 20 psi reommended for quieter servie. onsulttable-1 on page 5 for lose-off pressure ratings. 12 opyright 2006 T. ll rights reserved

2 2-Way and 3-Way lobe Valve ssemblies Note: hoose a valve assembly with a maximum operating differential pressure apability suffiient for the appliation. onsult Table-1 on page 5 for lose-off pressure ratings. Not all atuator and valve body ombinations are offered as fatory assemblies. Three-Way Pneumati Spring Return Models Table-13 3-Way lobe Valve ssemblies with Pneumati Spring Return tuators Spring Return 3-Way lobe Valve ssemblies MK-6811 b MK-6911 b Valve ssembly Part Number b P ode Valve Size in. VK /2 VK v 80 e 95 f 115 g VK h k vs 69 e 82 f 99 g 110 e 95 e 120 f 104 f 120 g 104 g 164 h tuator Models (tuator odes) MK-6811 (602) MK-6911 (652) Linkage Kit Part Number Spring Range, psig (kpa) Maximum llowable Operating Differential Pressure d, psi (kpa) (Mixing/Diverting) 35 (240) / 35 (240) VK VK h 251 h VK h 433 h 35 (240) / 35 (240) a Spring range field adjustable with positive positioner. b K positive positioner optional for 2-1/2 to 5 valve, required for 6" valve. Supplied as standard on VK4 fatory valve assemblies. See lobe Valve ssembly Part Numbering System and Seletion Proedure to determine a speifi part number. k vs = m 3 /h (ΔP = 100 kpa) k vs = v / v = gpm / ΔP (in psi).fx d Maximum allowable differential aross the valve in any open position. Less than 20 psi reommended for quieter servie. onsult Table-1 on page 5 for lose-off pressure ratings. e Mixing onfiguration, ports and B are inlets, B port is outlet. f Diverting onfiguration, flow B to port. g Diverting onfiguration, flow B to B port. h ll flow onfigurations, mixing or diverting opyright 2006 T. ll rights reserved. 13

3 lobe Valve Bodies Table-1 Speifiations for lobe Valve Bodies ppliation hilled or Hot Water, Steam langed hilled or Hot Water VB-8213 VB-8223 VB-8303 Size 2-1/2 to 6 2-1/2 to 6 2-1/2 to 6 Valve Body VB P VB P VB P Valve Body tion 2-Way Stem Open (Normally open if spring return atuator) 2-Way Stem Up losed (Normally losed if spring return atuator) 3-Way Mixing/Diverting a (Normally stem up if spring return atuator) low Type qual % qual % Modifier Linear Body ast Iron ast Iron ast Iron Seat orged Brass orged Brass orged Brass Material Stem Stainless Steel Stainless Steel Stainless Steel Plug orged Brass orged Brass orged Brass Paking Spring Loaded T/PDM Spring Loaded T/PDM Spring Loaded T/PDM Seat Ring PDM PDM None NSI Pressure lass, psig 125 Maximum Inlet Pressure Steam psig (kpa) 35 (240) llowable ontrol Media 20 to 281 Temperature, ( ) b ( ) lose-off Pressure, psi (kpa) 125 (856) 35 (240) P ode Valve Size, In. v (k vs ) v (k vs ) v (k vs ) Mixing d Diverting d /2 56 (48) 56 (48) 80 (69) 95 (82) e 115 (99) f (74) 85 (74) 110 (95) 120 (104) g (125) 145 (125) 190 (164) 190 (164) g (208) 240 (208) 290 (251) 290 (251) g (320) 370 (320) 500 (433) 500 (433) g a VB-8303 valves will also operate satisfatorily as two-way angle valves if either end (side) port is losed off. b UTION: reeze protetion required for temperatures below 32 (0 ). void ie formation on stems. Valve in losed position. See Table-8 to Table-13 for maximum allowable differential pressure for valve in any open position. d VB-8303 may be piped as either mixing or diverting, bottom (B) port ommon. e Diverting onfiguration, flow B to ports. f Diverting onfiguration, flow B to B ports. g ll diverting flow onfigurations, flow B to either or B ports opyright 2006 T. ll rights reserved. 5

4 Table-5 Two Position, loating, and Proportional Spring Return letri 150 lb-in T DuraDrive tuators tuator Part Number tuator ode ontrol Signal Type Power Input Running Voltage Watts Running Holding M b Va ±10% Position M Va ±10% (SPST) M Va ±20% M loating 24 Va ±20% MS Va ±10% Proportional MS Va ±10% (Vd or md) MS Va ±20% a De-rating required for spring return atuators at low temperatures b The Diretive is not appliable to this model Table-6 Proportional Spring Return Pneumati tuators pproximate Timing, 70 (21 ) with no Load Spring Powered Return tuator Output Torque Rating, lb-in (N-m) a Manual Override <145 < (17) No tuator Part Number a tuator ode Nominal Spring Range, psig (kpa) b ffetive rea, in 2 (m 2 ) MK to 10 (34 to 69) 50 (323) MK-6911 w/k to 10 (34 to 69) 50 (323) a K Positive Positioner (order separately) optional for 2-1/2 to 5 valves, required for 6 valves. VK4 fatory valve assemblies inlude positive positioner. b ield adjustable with positive positioner. Table-7 Linkage Kits and tuator/linkage ssemblies for ield ssembly ppliation tuator Linkage Kit a tuator/linkage ssembly 2-1/2 to 5 2-Way & 3-Way MK-6811 b 6 2-Way & 3-Way MK-6911 b M M M M M /2 to 5 M Way and 3-Way V-607 M (1 nominal stroke) M MS MS MS MS Way & 3-Way (1-3/4 nominal stroke) 2-1/2 to 5 2-Way & 3-Way (1 nominal stroke) M M M M M M M a M M MS a MS a MS a MS MS MS MS M M M M V-609 M M M M M M M M M MS MS MS MS MS MS MS V-672 a Mx61-720x tuators require no separate linkage. Mx41-634x is not ompatible with V-607. b K (order separately) optional for 2-1/2 to 5 valve, required for 6 valve. VK4 fatory valve assemblies inlude positive positioner opyright 2006 T. ll rights reserved. 7

5 tuator Speifiations and Valve ssembly Mounting Dimensions Valve ssemblies with MK-6811 and MK-6911 Spring Return Pneumati tuators tuator Speifiations Inputs ontrol Signal 5 to 10 psig (34 to 69 kpa). Positive positioner start point adjustable 1 to 12 psi (7 to 83 kpa). Positive positioner span adjustable 2 to 13 psi (14 to 89 kpa). Supply Pressure 15 to 20 psig (103 to 137 kpa) nominal, 30 psig (205 kpa) maximum. ir onnetions 1/8 in NPT ffetive rea 50 sq. in. (323 m 2 ) Outputs MK-6811: 1 (25 mm) nominal stroke. MK-6911: 1-3/4 (45 mm) nominal stroke. nvironment Temperature Limits Shipping and storage: -40 to 220 (-40 to 104 ) ambient. Operating: -20 to 220 (-29 to 104 ). Maximum allowable ambient: 220 (104 ) at maximum valve fluid temperature of 281 (138 ). Minimum allowable valve fluid temperature: 20 (-7 ). Positive Positioner K reommended for 5 valve, required for 6 valve. Order separately. Supplied as standard on VK4 fatory valve assemblies. igure-16 MK-6811 tuator igure-17 MK-6911 tuator opyright 2006 T. ll rights reserved. 27

6 Dimensions - 2-1/2 to 6 langed lobe Valve ssemblies Valve Dimensions in inhes (millimeters) Valve ssembly Valve P Part Number a 2-Way (Refer to igure-18 and igure-20) 3-Way (Refer to igure-19 and igure-21) Size ode 8-9/ / /2 8-9/16 5-7/ / /2 2-1/ (102) (217) (403) (178) (140) (217)) (138) (397) (178) (140) 4-5/8 16-1/4 7-1/2 6-3/8 16-1/4 7-1/ (152) (117) (413) (191) (162) (413) (191) (152) 2-Way 11-1/2 5-1/2 16-7/ /2 11-1/2 8-7/ / /2 VK P 4 14 (292) (140) (429) (229) (191) (292) (214) (429) (229) (191) VK x2-5-P 8-13/1 3-Way / / / / / VK (330) (176) (462) (254) (216) (330) (462) (254) (216) (224) VK x2-5-P 2-Way VK P VK x2-5-P / (356) 8-9/16 (217) 11-1/2 (292) 13 (330) 14 (356) 7-1/2 (190) 4 (102) 4-1/4 (108) 4-15/16 (125) 5-7/16 (138) 6-1/4 (159) 21-9/16 (548) 16-1/4 (413) 16-5/8 (422) 17-7/8 (454) 19-3/8 (492) 22-15/16 (583) 11 (280) 7 (178) 7-1/2 (191) 9 (229) 10 (254) 11 (280) 5-1/2 (140) 14 (356) 9-3/4 (248) a VK4 fatory assemblies inlude K positive positioner. Positive positioner optional for 2-1/2 to 5, required for /16 (548) 11 (280) 6 (152) 7-1/2 (191) 8-1/2 (216) 12-9/16 (319) 12-9/16 (319) igure-18 MK-6811 with langed 2-Way lobe Valves igure-19 MK-6811 with langed 3-Way lobe Valves 15-7/16 (392) 15-7/16 (392) igure-20 MK-6911 with langed 2-Way lobe Valves igure-21 MK-6911 with langed 3-Way lobe Valves 28 opyright 2006 T. ll rights reserved