Pressure independent valves 0.5" - 2 way Valve size
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![Siemens 599-04321-5.5 599-04321-5.5, 1/2 PICV, 5.5 GPM NO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/599-04321-5.5_b363d88b-2735-425f-b799-100d2b8ede30_medium.jpg?v=1720022763)
599-04321-5.5 | 599-04321-5.5, 1 / 2 PICV, 5.5 GPM NO | Siemens
Brand: Siemens
SKU: 599-04321-5.5
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![Siemens 599-04321-3 599-04321-3, 1/2 PICV, 3 GPM NO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/599-04321-3.5_d30a1b14-f1a0-4528-b971-c610dbd3bd59_medium.jpg?v=1720022759)
599-04321-3 | 599-04321-3, 1 / 2 PICV, 3 GPM NO | Siemens
Brand: Siemens
SKU: 599-04321-3
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![Siemens 599-04311-1.5 PICV, 1/2 inch, Normally Open, 1.5 GPM max. flow preset | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_a6494367-626f-416f-978b-fe8f7dcc2619_medium.png?v=1720022719)
599-04311-1.5 | PICV, 1 / 2 inch, Normally Open, 1.5 GPM max. flow preset | Siemens (OBSOLETE)
Brand: Siemens
SKU: 599-04311-1.5
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![Siemens 599-04311-1 PICV, 1/2 inch, Normally Open, 1 GPM max. flow preset | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_2b11ac8e-c76d-4564-8eeb-42a9ec3f5595_medium.png?v=1720022705)
599-04311-1 | PICV, 1 / 2 inch, Normally Open, 1 GPM max. flow preset | Siemens (OBSOLETE)
Brand: Siemens
SKU: 599-04311-1
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![Siemens 599-04301-3.5 PICV, 1/2 inch, 3.5 GPM max. flow preset | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/599-04301-3.5_9e43c90e-da28-4447-8961-d1612a595304_medium.jpg?v=1720022703)
599-04301-3.5 | PICV, 1 / 2 inch, 3.5 GPM max. flow preset | Siemens
Brand: Siemens
SKU: 599-04301-3.5
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![Siemens 599-04301-4 PICV, 1/2 inch, 4 GPM max. flow preset | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/599-04301-4.5_bf32f43a-8599-4bbb-8d2b-f785d14362a3_medium.jpg?v=1720022704)
599-04301-4 | PICV, 1 / 2 inch, 4 GPM max. flow preset | Siemens
Brand: Siemens
SKU: 599-04301-4
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![Siemens 599-04300-2 PICV, 1/2 inch, 2 GPM max. flow preset | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/599-04300-2.5_16c3d716-1c23-43d0-b7bd-d599f35891c0_medium.jpg?v=1720022704)
599-04300-2 | PICV, 1 / 2 inch, 2 GPM max. flow preset | Siemens
Brand: Siemens
SKU: 599-04300-2
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![Siemens 599-04301-5.5 PICV, 1/2 inch, 5.5 GPM max. flow preset | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/599-04301-5.5_46196b5e-59f3-4f86-bf9b-56c74c40b458_medium.jpg?v=1720022700)
599-04301-5.5 | PICV, 1 / 2 inch, 5.5 GPM max. flow preset | Siemens
Brand: Siemens
SKU: 599-04301-5.5
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![Siemens 599-04301-6.5 PICV, 1/2 inch, 6.5 GPM max. flow preset | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/599-04301-6.5_e0c9a074-430c-406d-910d-116067eb50d2_medium.jpg?v=1720022700)
599-04301-6.5 | PICV, 1 / 2 inch, 6.5 GPM max. flow preset | Siemens
Brand: Siemens
SKU: 599-04301-6.5
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![Siemens 599-04300-2.5 PICV, 1/2 inch, 2.5 GPM max. flow preset | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/599-04300-2.5_medium.jpg?v=1720022697)
599-04300-2.5 | PICV, 1 / 2 inch, 2.5 GPM max. flow preset | Siemens
Brand: Siemens
SKU: 599-04300-2.5
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![Siemens 599-04301-7.5 PICV, 1/2 inch, 7.5 GPM max. flow preset | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/599-04301-7.5_medium.jpg?v=1720022698)
599-04301-7.5 | PICV, 1 / 2 inch, 7.5 GPM max. flow preset | Siemens
Brand: Siemens
SKU: 599-04301-7.5
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![Siemens 599-04300-0.5 PICV, 1/2 inch, 0.5 GPM max. flow preset | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/599-04300-0.5_medium.jpg?v=1720022696)
599-04300-0.5 | PICV, 1 / 2 inch, 0.5 GPM max. flow preset | Siemens
Brand: Siemens
SKU: 599-04300-0.5
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![Siemens 599-04301-5 PICV, 1/2 inch, 5 GPM max. flow preset | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/599-04301-5.5_medium.jpg?v=1720022695)
599-04301-5 | PICV, 1 / 2 inch, 5 GPM max. flow preset | Siemens
Brand: Siemens
SKU: 599-04301-5
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![Siemens 599-02030C MT Series 2W Valve 1/2", NO, 0.4Cv, Mod Eq Pct, Brass Trim, FxF, ANSI 250 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/599-02030C_medium.jpg?v=1720022623)
599-02030C | MT Series 2W Valve 1 / 2", NO, 0.4Cv, Mod Eq Pct, Brass Trim, FxF, ANSI 250 | Siemens
Brand: Siemens
SKU: 599-02030C
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![Siemens 373-03021 Valve assy 2W NC 1/2", 4Cv, Lin, SS Trim FxF, float Electronic Act NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/373-03021_medium.jpg?v=1720022476)
373-03021 | Valve assy 2W NC 1 / 2", 4Cv, Lin, SS Trim FxF, float Electronic Act NSR | Siemens
Brand: Siemens
SKU: 373-03021
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![Siemens 299-03183 Valve assy 2W NC 1/2", 4Cv, Eq Pct Brass Trim FxF, 2-pos Electronic Act SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/299-03183_medium.jpg?v=1720022327)
299-03183 | Valve assy 2W NC 1 / 2", 4Cv, Eq Pct Brass Trim FxF, 2-pos Electronic Act SR | Siemens
Brand: Siemens
SKU: 299-03183
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![Siemens 276-03183 Valve assy 2W NC 1/2", 4Cv, Eq Pct Brass Trim FxF, float El-Hydraul Act SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/276-03183_medium.jpg?v=1720022159)
276-03183 | Valve assy 2W NC 1 / 2", 4Cv, Eq Pct Brass Trim FxF, float El-Hydraul Act SR | Siemens
Brand: Siemens
SKU: 276-03183
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![Siemens 261-02019 Valve assy NC 1/2" 1.0Cv FxF SS Trim Elect Act NSR Mod 0-10 V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/261-02019_medium.jpg?v=1720021941)
261-02019 | Valve assy NC 1 / 2" 1.0Cv FxF SS Trim Elect Act NSR Mod 0-10 V | Siemens
Brand: Siemens
SKU: 261-02019
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![Siemens 258-02026C MT Series 2W Valve Assy, ANSI 250, NC, Mod Eq Pct, 1/2", FxUM, 4 Cv, 8-13psi SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/258-02026C_medium.jpg?v=1720021904)
258-02026C | MT Series 2W Valve Assy, ANSI 250, NC, Mod Eq Pct, 1 / 2", FxUM, 4 Cv, 8-13psi SR | Siemens
Brand: Siemens
SKU: 258-02026C
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![Siemens 258-02053C MT Series 2W Valve Assy, ANSI 250, NO, Mod Eq Pct, 1/2", FxF, 1.6Cv, 8-13psi SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/258-02053C_medium.jpg?v=1720021872)
258-02053C | MT Series 2W Valve Assy, ANSI 250, NO, Mod Eq Pct, 1 / 2", FxF, 1.6Cv, 8-13psi SR | Siemens
Brand: Siemens
SKU: 258-02053C
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![Siemens 258-02058C MT Series 2W Valve Assy, ANSI 250, NO, Mod Eq Pct, 1/2", FxF, 4 Cv, 8-13psi SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/258-02058C_medium.jpg?v=1720021862)
258-02058C | MT Series 2W Valve Assy, ANSI 250, NO, Mod Eq Pct, 1 / 2", FxF, 4 Cv, 8-13psi SR | Siemens
Brand: Siemens
SKU: 258-02058C
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![Siemens 232-04300-2.5 PICV, 1/2 inch, 2.5 GPM max. flow preset, with SSD Actuator, 3P (floating), SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/232-04300-2.5_c112655e-fb73-4fe5-9697-0ea0936b655c_medium.jpg?v=1720021859)
232-04300-2.5 | PICV, 1 / 2 inch, 2.5 GPM max. flow preset, with SSD Actuator, 3P (floating), SR | Siemens
Brand: Siemens
SKU: 232-04300-2.5
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![Siemens 232-04301-4.5 PICV, 1/2 inch, 4.5 GPM max. flow preset, with SSD Actuator, 3P (floating), SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/232-04301-4.5_aa546049-88da-4590-a082-f6bee927a0c4_medium.jpg?v=1720021852)
232-04301-4.5 | PICV, 1 / 2 inch, 4.5 GPM max. flow preset, with SSD Actuator, 3P (floating), SR | Siemens
Brand: Siemens
SKU: 232-04301-4.5
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![Siemens 232-04301-5 PICV, 1/2 inch, 5 GPM max. flow preset, with SSD Actuator, 3P (floating), SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/232-04301-5.5_0c41b7a9-747f-4d74-9144-6714aea9d0b9_medium.jpg?v=1720021834)
232-04301-5 | PICV, 1 / 2 inch, 5 GPM max. flow preset, with SSD Actuator, 3P (floating), SR | Siemens
Brand: Siemens
SKU: 232-04301-5
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