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Safety Valves
Control Specialties offers control valves ranging from air operated valves to temperature regulators. Our control valves are available as single seat design for tight shut-off as well as double seat design. Our air operated controllers are for temperature and pressure applications. The self-operating temperature and pressure regulators come in connection sizes ranging from 1/2" all the way up to 6" with numerous temperature ranges and materials of construction to meet your application needs.
 | | Apollo Series 119 Safety Valve Heavy-duty 119 Series cast iron valves are high capacity safety valves ideal for use with all types of boilers, pressure vessels and pressure piping systems. Their top-guided design includes two contr ... Our Price: Call For Quote View Details
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 | | Apollo Series 13 Safety Valve Overview
National Board capacity-certified at 15 psig in accordance with ASME Section IV; optional rough or polished chrome finish; positive drainage of condensate from seat area.
AS ... Our Price: Call For Quote View Details
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 | | Apollo Series 19 Safety Valves National Board capacity certified, high capacity, ideal for use with all types of boilers, pressure vessels, compressors and pressure piping systems.
ASME Section I and VIII
Sizes 1/2" t ... Our Price: Call For Quote View Details
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 | | Apollo Series 29 Safety Valves Conbraco 29 Series is ideally suited for OEM applications where compact size, dependable performance and maximum economy are required. These rugged safety valves feature a top guided design and patent ... Our Price: Call For Quote View Details
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 | | Hayward Pressure Relief Valve Pressure Relief Valves 1/2" to 2", PVC and CorzanŽ CPVC
Features:
No Metal Parts to Stick or Jam
Hand Adjustable, No Tools Needed
Integrally Molded Threaded
Gauge Port ... Our Price: Call For Quote View Details
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 | | Kunkle Model 140 Model 140
Stainless Steel Liquid Safety Relief Valves
Model Descriptions
Model 140: Stainless Steel, Side Outlet.
Pressure and Temperature Limits
10 to 300 psig -60° t ... Our Price: Call For Quote View Details
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 | | Kunkle Model 215V Models 215V, 337
ASME Section VIII, Air/Gas Vacuum, 'UV' National Board Certified Safety Valves.
Model Descriptions
Model 337: Has 'pull-ring' lift device for easy manual testi ... Our Price: Call For Quote View Details
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 | | Kunkle Model 230 Models 230, 330, 330S, 333S - Relief Valves
ASME Section VIII, Gas, 'UV' National Board Certified
Model Descriptions
Model 230: 1/4-inch Male NPT - 300/1500 psig.
Model 330 ... Our Price: Call For Quote View Details
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 | | Kunkle Model 252 Kunkle Valve Division manufactures safety relief valves in all types of of materials and connections. They have maintained a high reliability with pressures up to 6500 psig and sizes starting at 1/4" ... Our Price: Call For Quote View Details
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 | | Kunkle Model 299 Drip Pan Elbow Model 299 - Drip Pan Elbow
Model Descriptions
Model 0299-H: Used for Safety valve outlet size of 2-inch.
Model 0299-J: Used for Safety valve outlet size of 2 1/2-inch.
Mod ... Our Price: Call For Quote View Details
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 | | Kunkle Model 30 Kunkle Model 30 ASME Section VIII Air/Gas, 'UV', National Board Certified safety valves. Brass - top venting.
Applications:
Small to medium size, multi-stage, air compressors, inter ... Our Price: Call For Quote View Details
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 | | Kunkle Model 300 Models 300, 600
ASME Section I Steam and ASME Section VIII Air/Gas/Steam
Model Descriptions
Model 300: Cast steel, exposed spring, full nozzle with SS trim. ANSI 300# inlet flan ... Our Price: Call For Quote View Details
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 | | Kunkle Model 337 Models 215V, 337
ASME Section VIII, Air/Gas Vacuum, 'UV' National Board Certified Safety Valves.
Model Descriptions
Model 337: Has 'pull-ring' lift device for easy manual testi ... Our Price: Call For Quote View Details
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 | | Kunkle Model 537 Model 537
ASME Section IV, Low Pressure Hot Water Boilers, 'HV', National Board Certified
Model Descriptions
Model 537: Bronze for 3/4-inch and 1-inch models, Cast iron for 1-1/2-inc ... Our Price: Call For Quote View Details
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 | | Kunkle Model 600 Models 300, 600
ASME Section I Steam and ASME Section VIII Air/Gas/Steam
Model Descriptions
Model 300: Cast steel, exposed spring, full nozzle with SS trim. ANSI 300# inlet flan ... Our Price: Call For Quote View Details
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 | | Kunkle Model 6010 Kunkle is one of the oldest manufacturers of safety and relief valves. Kunkle Valves are manufactured at facilities that meet the requirements of the ASME pressure vessel code. Most Kunkle Valves ha ... Our Price: Call For Quote View Details
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 | | Kunkle Model 71S Kunkle Model 71S is a liquid relief valve with a cast iron body with ss seat and disc and a pressure tight hood.
Applications:
Overpressure relief and protection of pumps, tanks, lines an ... Our Price: Call For Quote View Details
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 | | Kunkle Model 803 Models 803, 818
Non-code Air/Gas Relief Valves
Model Descriptions
Model 803: Aluminum.
Model 818: Carbon Steel.
Pressure and Temperature Limits
Model 803: 10 ... Our Price: Call For Quote View Details
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 | | Kunkle Model 818 Models 803, 818
Non-code Air/Gas Relief Valves
Model Descriptions
Model 803: Aluminum.
Model 818: Carbon Steel.
Pressure and Temperature Limits
Model 803: 10 ... Our Price: Call For Quote View Details
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 | | Kunkle Model 91 Kunkle Model 91 is a cast iron liquid relief valve with bronze trim and pressure tight cap. Furnished standard with ANSI rated B16.1 - 250# inlet flange and ANSI B16.1 - 125# outlet flange.
... Our Price: Call For Quote View Details
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 | | Kunkle Model 930 Model 930
ASME Section IV 'Steam' Standard, 'HV', National Board
Model Descriptions
Model 930: High Capacity, Cast Iron.
Pressure and Temperature Limits
15 psig only < ... Our Price: Call For Quote View Details
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 | | Kunkle Models 171, 171P, 171S Kunkle Model 171 is a liquid relief valve with a cs body and ss seat and disc with a pressure tight hood.
Kunkle Model 171P is the same as Model 171 with a packed lift lever.
Kunkle ... Our Price: Call For Quote View Details
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 | | Kunkle Models 189, 189C, 189P Models 189
ASME Section VIII, Air/Gas Cryogenic, 'UV' National Board Certified Safety Valves
Model Descriptions
Model 189: Bronze housing with SS trim (nozzle and disc) with Te ... Our Price: Call For Quote View Details
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 | | Kunkle Models 19 and 19M Kunkle Model 19: All bronze, equipped with handwheel for easy adjustment.
Kunkle Model 19M: same as 19 except with SS trim (seat and disc)
Applications
Non-Code liquid rel ... Our Price: Call For Quote View Details
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 | | Kunkle Models 20, 20M, 20MP Kunkle Model 20: All bronze with pressure-tight cap. Suitable for maximum backpressure of 50psig.
Kunkle Model 20M: same as Model 20 except with SS trim (seat and disc)
Kun ... Our Price: Call For Quote View Details
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 | | Kunkle Models 200A and 200H Kunkle Model 200A: Special non chattering design. Recommended for light oils and continuous bypass or pressure regulation. UL listed for light oil service.
Kunkle Model 200H: same as Mode ... Our Price: Call For Quote View Details
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 | | Kunkle Models 218 and 228 Model 218 is a cast iron liquid relief valve with bronze trim, UL and FM approved for fire pump installations. Special design offers minimum set pressure of 60psig. Easily adjustable with handwheel ... Our Price: Call For Quote View Details
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 | | Kunkle Models 264, 265, 266, 267 Models 264, 265, 266, 267, 264P, 265P, 266P, 267P
Non-Code Liquid Relief, ASME Section VIII, Air/Gas and Steam, National Board Certified.
Model Descriptions
Model 264: CS housin ... Our Price: Call For Quote View Details
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 | | Kunkle Models 330, 330S, 333S Models 230, 330, 330S, 333S - Relief Valves
ASME Section VIII, Gas, 'UV' National Board Certified
Model Descriptions
Model 230: 1/4-inch Male NPT - 300/1500 psig.
Model 330 ... Our Price: Call For Quote View Details
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 | | Kunkle Models 363, 363C, 363P Models 363
ASME Section VIII, Air/Gas Cryogenic, 'UV' National Board Certified Safety Valves
Model Descriptions
Model 363: Bronze housing with SS trim (nozzle and disc) with Te ... Our Price: Call For Quote View Details
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 | | Kunkle Models 389C and 389P Models 389
ASME Section VIII, Air/Gas Cryogenic, 'UV' National Board Certified Safety Valves
Model Descriptions
Model 389C: All SS with Teflon seat/seal in disc. Pressure tigh ... Our Price: Call For Quote View Details
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 | | Kunkle Models 40R and 40RL Kunkle 40R is a non-code steam service, sentinel relief valve. Comes in 1/2" or 3/4" male npt inlet with top discharge to give visible warning of system overpressure.
Kunkle Model 40RL is th ... Our Price: Call For Quote View Details
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 | | Kunkle Models 541, 542, 548 Models 541, 542, 548
ASME Section VIII, Brass, Air/Gas, 'UV', National Board Certified
Model Descriptions
Model 541: 1/4-inch or 1/2-inch Male NPT inlet. Brass body and seat with BUN ... Our Price: Call For Quote View Details
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 | | Kunkle Models 6010, 6021, 6030 Models 6010, 6021, 6030, 6182, 6121, 6130, 6186, 6283, 6221, 6230, 6933, 6934, 6935
ASME Section I and VIII, Steam, 'V' and 'UV', ASME Section VIII, Air/Gas 'UV' National Board Certified. Models 6 ... Our Price: Call For Quote View Details
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 | | Kunkle Models 6182, 6121, 6130, 6186 Models 6010, 6021, 6030, 6182, 6121, 6130, 6186, 6283, 6221, 6230, 6933, 6934, 6935
ASME Section I and VIII, Steam, 'V' and 'UV', ASME Section VIII, Air/Gas 'UV' National Board Certified. Models 6 ... Our Price: Call For Quote View Details
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 | | Kunkle Models 6252, 6254 Models 6252, 6254
ASME Section I Steam and ASME Section VIII, Air, Steam and Gas 'UV' National Board Certified. Model 6252 ASME Section IV 'HV' National Board Certified.
Model Descriptio ... Our Price: Call For Quote View Details
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 | | Kunkle Models 6283, 6221, 6230 Models 6010, 6021, 6030, 6182, 6121, 6130, 6186, 6283, 6221, 6230, 6933, 6934, 6935
ASME Section I and VIII, Steam, 'V' and 'UV', ASME Section VIII, Air/Gas 'UV' National Board Certified. Models 6 ... Our Price: Call For Quote View Details
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 | | Kunkle Models 6933, 6934, 6934 Models 6010, 6021, 6030, 6182, 6121, 6130, 6186, 6283, 6221, 6230, 6933, 6934, 6935
ASME Section I and VIII, Steam, 'V' and 'UV', ASME Section VIII, Air/Gas 'UV' National Board Certified. Models 6 ... Our Price: Call For Quote View Details
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 | | Kunkle Models 910, 911, 916, 917, 920, 921, 927 Models 910, 911, 916, 917, 920, 921, 927
ASME Section VIII, Air/Gas/Steam/Liquid, 'UV' national Board Certified. Also available for vacuum service.
Model Descriptions
Model 910 ... Our Price: Call For Quote View Details
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 | | Kunkle Models 912, 913, 918, 919 Models 912, 913, 918, 919
ASME Section VIII, Steam/Air/Gas/Liquid, 'UV' National Board Certified. Also available for Vacuum Service.
Model Descriptions
Model 912: Full nozzle d ... Our Price: Call For Quote View Details
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 | | Leslie Safety Valves Leslie safety & relief valves are available for steam, air, gas, liquid, vacuum and powdered solids service. Brass/bronze trim and carbon steel-zinc plated spring are standard on most; some are availa ... Our Price: Call For Quote View Details
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 | | Watson McDaniel Series WSVI TYPICAL APPLICATIONS
The WSVI Safety Relief Valves are used for over-pressure
protection on unfired pressure vessels in saturated steam systems.
HOW IT WORKS
As safety relief valves op ... Our Price: Call For Quote View Details
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 | | Watson McDaniel WDPL Drip Pan Elbow TYPICAL APPLICATION
The WDLP Drip Pan Elbow is used to collect and remove
condensate. Typically used with steam boilers, pressure relief
valves, safety valves and steam pressure vessels an ... Our Price: Call For Quote View Details
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 | | Watson McDaniel WSVB Series TYPICAL APPLICATIONS
The WSVB Safety Relief Valves are used for over-pressure protection
on unfired pressure vessels in saturated steam systems.
HOW IT WORKS
As safety relief valves op ... Our Price: Call For Quote View Details
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 | | Watts Series 31 Safety Valve Series Figure 31 Steam Safety Relief Valves are ASME section I valves used on steam boilers with operating pressures from 5 to 250psi (.34 to 17.2 bar). Series Figure 31 is a high capacity safety reli ... Our Price: Call For Quote View Details
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 | | Watts Series 315 Safety Valve Series 315-M1 Steam Safety Relief Valves are used in commercial and industrial applications for low-pressure, steam heating boilers and process equipment. It consists of a bronze body construction wit ... Our Price: Call For Quote View Details
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 | | Watts Series 41 Safety Valve Series Figure 41 Steam Safety Relief Valves are ASME section VIII valves used for over-pressure protection of unfired pressure vessels, steam pressure reducing valve stations, and other steam service ... Our Price: Call For Quote View Details
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 | | Watts Series 415 Safety Valve Series 415 Steam Safety Relief Valves are used in commercial and industrial applications for low-pressure, steam heating boilers and process equipment. It consists of a brass body (size 1/4 in.), or a ... Our Price: Call For Quote View Details
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 | | Watts Series 41A Safety Valve Series Figure 41A Safety Relief Valves for Air, Gas, and Vapors are ASME section VIII valves used for compressors, intercoolers, aftercoolers and receivers, air makeup units, gas burners, pneumatic co ... Our Price: Call For Quote View Details
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Services & Installation
Control Specialties is your single source supplier for all of your control valve and controller needs. We offer valves and controllers from Trerice, Warren, Ashcroft, Partlow and more. See our Tech Tips for the "Do's and Don'ts" for designing control systems.
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