pressure independent valves
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![Dwyer TRI-100-50L Tridicator gage | range 0-100 psi (0-700 kPa) | 1/2" NPT LM. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/tri_1000x1000_bbc9aa77-5329-4b39-98e7-1831c952e22c_medium.jpg?v=1720000093)
TRI-100-50L | Tridicator gage | range 0-100 psi (0-700 kPa) | 1 / 2" NPT LM. | Dwyer
Brand: Dwyer
SKU: TRI-100-50L
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![Honeywell LP916B1058 1/2 X 5 7/8 BULB INTEGRAL MTG. BRACKET FOR UNIT VENTILATOR. 18 PSIG HTG.D.A. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/Honeywell-logo_99bfed81-768a-40fb-9060-77968c9e3d94_medium.png?v=1719994168)
LP916B1058 | 1 / 2 X 5 7 / 8 BULB INTEGRAL MTG. BRACKET FOR UNIT VENTILATOR. 18 PSIG HTG.D.A. | Honeywell (OBSOLETE)
Brand: Honeywell
SKU: LP916B1058
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![Dwyer PS124 Pressure snubber | for air & gas service | 1/4" NPT. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ps_1000x1000_9200778d-a7f7-4d51-95d6-721439179b22_medium.jpg?v=1719999629)
PS124 | Pressure snubber | for air & gas service | 1 / 4" NPT. | Dwyer
Brand: Dwyer
SKU: PS124
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![Dwyer PTV-3 Pneumatic turbine vibrator. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ptv_front_1000x1000_14c5abaa-c128-4756-a1c5-896f862ee83f_medium.gif?v=1719999508)
PTV-3 | Pneumatic turbine vibrator. | Dwyer
Brand: Dwyer
SKU: PTV-3
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![Dwyer MTF-1142 150 mm frame | common pattern | 4 tube capacity | aluminum wetted parts. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mtf_pic_1_61cdc7c6-21af-4bd0-bd88-697e7ad467ff_medium.jpg?v=1719999426)
MTF-1142 | 150 mm frame | common pattern | 4 tube capacity | aluminum wetted parts. | Dwyer
Brand: Dwyer
SKU: MTF-1142
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![Johnson Controls T-3311-2 THERMOSTAT; PSI SUPPLY/REVERSE ACTING 15PSIG SUPPLY | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/T-3311-2_65fe1a29-7563-4d1a-8286-8aec2e407ebf_medium.png?v=1719993668)
T-3311-2 | THERMOSTAT; PSI SUPPLY / REVERSE ACTING 15PSIG SUPPLY | Johnson Controls
Brand: Johnson Controls
SKU: T-3311-2
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![Johnson Controls P-7100-1 PNEU ELEC SWITCH; 20AMP AT 480V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P-7100-1_4aff5675-ffb3-4c79-9bff-de931c5bc72e_medium.png?v=1719993537)
P-7100-1 | PNEU ELEC SWITCH; 20AMP AT 480V | Johnson Controls (OBSOLETE)
Brand: Johnson Controls
SKU: P-7100-1
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![Johnson Controls P74HA-14C DIFFERENTIAL PRES CONTROL; 4-WIRE CLOSE ON INCREASE IN DIFF PRESS; 8/60# ADJ;AMMONIA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P74HA-14C_aa2db842-28c7-48a1-ae53-980d2c91e466_medium.png?v=1719993533)
P74HA-14C | DIFFERENTIAL PRES CONTROL; 4-WIRE CLOSE ON INCREASE IN DIFF PRESS; 8 / 60# ADJ;AMMONIA | Johnson Controls
Brand: Johnson Controls
SKU: P74HA-14C
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![Johnson Controls P74FA-9C DIFFERENTIAL PRES CONTROL; 50/400 KPA 5 BU DIFF. 10+/-8KPA; LO-OPEN 150+/-14KPA(R-Y); STY | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P74FA-9C_42704b41-122c-4b01-a7a1-bdfeaddce037_medium.png?v=1719993534)
P74FA-9C | DIFFERENTIAL PRES CONTROL; 50 / 400 KPA 5 BU DIFF. 10+ / -8KPA; LO-OPEN 150+ / -14KPA(R-Y); STY | Johnson Controls
Brand: Johnson Controls
SKU: P74FA-9C
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![Johnson Controls P74DA-10C DIFFERENTIAL PRES CONTROL; 8/70 PSI 15 B DIFF. 8/30 PSI ADJ; LO-OPEN 15+/-2 PSI; | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P74DA-10C_10a83e4c-7969-475e-b808-374a556a85aa_medium.png?v=1719993533)
P74DA-10C | DIFFERENTIAL PRES CONTROL; 8 / 70 PSI 15 B DIFF. 8 / 30 PSI ADJ; LO-OPEN 15+ / -2 PSI; | Johnson Controls
Brand: Johnson Controls
SKU: P74DA-10C
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![Johnson Controls P74EA-3C DIFFERENTIAL PRES CONTROL; 8/70 PSI DIFF. FIXED 5.5# | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P74EA-3C_3c29c53d-b366-4d26-9323-567bd2b16f54_medium.png?v=1719993533)
P74EA-3C | DIFFERENTIAL PRES CONTROL; 8 / 70 PSI DIFF. FIXED 5.5# | Johnson Controls
Brand: Johnson Controls
SKU: P74EA-3C
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![Johnson Controls P74JA-3C DIFFERENTIAL PRES CONTROL; SPDT FLOATING CONTACTS; 1/4" MALE FLARE; | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P74JA-3C_0b86fa88-ddce-4425-a13f-dd177f844be3_medium.png?v=1719993533)
P74JA-3C | DIFFERENTIAL PRES CONTROL; SPDT FLOATING CONTACTS; 1 / 4" MALE FLARE; | Johnson Controls
Brand: Johnson Controls
SKU: P74JA-3C
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![Johnson Controls P74BA-15C DIFFERENTIAL PRES CONTROL; SPST CLOSE ON INCREASE IN DIFF PRESS 8/70# ADJ; AMMONIA 15 DIFF 8/30 PSI | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P74BA-15C_c4014f8b-82b2-4868-8291-b9beded13b6c_medium.png?v=1719993528)
P74BA-15C | DIFFERENTIAL PRES CONTROL; SPST CLOSE ON INCREASE IN DIFF PRESS 8 / 70# ADJ; AMMONIA 15 DIFF 8 / 30 PSI | Johnson Controls
Brand: Johnson Controls
SKU: P74BA-15C
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![Johnson Controls P74AB-1C DIFFERENTIAL PRES CONTROL; 8/70 PSI 15 B DIFF. 8 PSI MAX.; STYLE 15 BUL3013; MTG. BRKT. N | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P74AB-1C_ea63b53f-3fd7-4e7a-a11f-acefe567cfbe_medium.png?v=1719993528)
P74AB-1C | DIFFERENTIAL PRES CONTROL; 8 / 70 PSI 15 B DIFF. 8 PSI MAX.; STYLE 15 BUL3013; MTG. BRKT. N | Johnson Controls
Brand: Johnson Controls
SKU: P74AB-1C
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![Johnson Controls P74BA-9C DIFFERENTIAL PRES CONTROL; SPST CLOSE ON INCREASE IN DIFF PRESS 8/70# ADJ; AMMONIA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P74BA-9C_f49d461b-0b2e-45d1-87b1-7de798c7b6c7_medium.png?v=1719993529)
P74BA-9C | DIFFERENTIAL PRES CONTROL; SPST CLOSE ON INCREASE IN DIFF PRESS 8 / 70# ADJ; AMMONIA | Johnson Controls
Brand: Johnson Controls
SKU: P74BA-9C
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![Johnson Controls P-5500-1022 GAGE 3-1/2" 0-5."WG | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P-5500-1022_090c93fd-d4ec-44dc-9536-e0a0e0744065_medium.png?v=1719993504)
P-5500-1022 | GAGE 3-1 / 2" 0-5."WG | Johnson Controls (OBSOLETE)
Brand: Johnson Controls
SKU: P-5500-1022
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![Johnson Controls P66AAB-6C PRESS ACT MTR SPEED CTLR; 170/230# OPER RANGE; 140/350# PRESS RNGE 16% LINE START VOLT; 60" CAP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_7494e8e5-f2b3-44a5-9f3f-af0ecf2b81e7_medium.jpg?v=1719993481)
P66AAB-6C | PRESS ACT MTR SPEED CTLR; 170 / 230# OPER RANGE; 140 / 350# PRESS RNGE 16% LINE START VOLT; 60" CAP | Johnson Controls (OBSOLETE)
Brand: Johnson Controls
SKU: P66AAB-6C
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![Johnson Controls P47GA-11C STEAM PRESSURE CONTROL; 20"/50#; WITH STEAM TRAP; AUTO RESET | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/zqc1573581442823_e1f54037-8504-455b-a7dd-89c4a778d823_medium.png?v=1719993462)
P47GA-11C | STEAM PRESSURE CONTROL; 20" / 50#; WITH STEAM TRAP; AUTO RESET | Johnson Controls
Brand: Johnson Controls
SKU: P47GA-11C
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![Johnson Controls P66ABB-24C PRES ACT MTR SPEED CTRL; 190/250# PSI OPER RANGE; 16% LINE START VOLNEMA 3R | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_accf4ed9-0871-432c-aa5a-40b609a09515_medium.jpg?v=1719993504)
P66ABB-24C | PRES ACT MTR SPEED CTRL; 190 / 250# PSI OPER RANGE; 16% LINE START VOLNEMA 3R | Johnson Controls
Brand: Johnson Controls
SKU: P66ABB-24C
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![Johnson Controls P66AAD-1C PRESS ACT MTR SPEED CTLR; 160/220 PSIG 45 B60 STYLE 45 BUL3013; CAP 60 IN.; | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P66AAD-1C_19ec5f56-65a5-4539-b6c8-a3624d769bf8_medium.png?v=1719993491)
P66AAD-1C | PRESS ACT MTR SPEED CTLR; 160 / 220 PSIG 45 B60 STYLE 45 BUL3013; CAP 60 IN.; | Johnson Controls
Brand: Johnson Controls
SKU: P66AAD-1C
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![Johnson Controls P170KA-35C PRESSURE CONTROL; PRESSURE CONTROL RANGE 50/500PSIG DIFF 60PSI OPEN 250+/-10 PSIG | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_e46ce46b-78c2-4e7b-bf24-f94d5d720c92_medium.jpg?v=1719993437)
P170KA-35C | PRESSURE CONTROL; PRESSURE CONTROL RANGE 50 / 500PSIG DIFF 60PSI OPEN 250+ / -10 PSIG | Johnson Controls (OBSOLETE)
Brand: Johnson Controls
SKU: P170KA-35C
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