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Spence Control Engineering Dist. - M & M Control
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Our Products

  1. Industrial Valves 89 Products available
  2. Valves & Valve Fittings 61 Products available
  3. Separators & Strainers 12 Products available
  4. Pet And Farming Animals 12 Products available
  5. Flush Bottom Outlet Valve 5 Products available
  6. Pipeline Accessories 4 Products available
  7. Process Control Systems & Equipment 4 Products available
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  10. Commercial Air Conditioner 3 Products available
  11. Others Products 114 Products available

Valves & Valve Fittings

We offer a complete product range of Steam Safety Valve, Brand Steam Safety Valve, Process Safety Relief Valve, Mini Mixing Valve and Low Pressure Steam Heating Boiler Safety Valves

Steam Safety Valve

Steam Safety Valve
  • Series 1511
Cast iron safety valve for low pressure steam, steam heating boilers, and steam generators as well as air service applications.ASME Code Section I and VIII1 12" through 6" Flanged or Threaded DesignANSI Class 250Orifice Sizes H-QTemperature Range -20 F to 406 FBrass Trim is Standard with Stainless OptionalBlowdown 4%
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Brand Steam Safety Valve

Brand Steam Safety Valve
  • Series 1700 MAXIFLOW
Premium high pressure Safety ValveASME Code Section I and VIIIInstalled in a majority of Power Generating Stations world wide1 12" to 6" Flanged or Weld Neck designANSI Class 600 to 4500 PSITemperature Range -20 F to 1120 F3% BlowdownAlloy and Carbon Steel Body w Stainless Steel trim. Special alloys and trim are availableGE proprietary THERMODISC brand seal provides superior repeatable seat tightness
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Process Safety Relief Valve

Process Safety Relief Valve
  • Series 19000
General purpose portable relief valve for Air, Steam, or WaterDesigned in accordance with ASME Section VIIIValve is normally supplied with both male and female threaded inlet and outlet in sizes 12" to 2" , but is available in socket weld and flanged connections as well. Useable in pressure ranges from 5 to 8000 PSI depending on the sizeMaterials of construction are normally steel body and stainless internals, but is available in 316 Stainless Steel, Monel, Hastelloy or Alloy 20.Valve is available in standard metal to metal seating, but is also available in soft seating providing for bubble tight shut off up to 97% of set pressure
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Mini Mixing Valve

Mini Mixing Valve
  • Series 34DLF
Lead Free* "Point of Use" ASSA 1070 Mini Mixing Valve. (*Lead Free: The wetted surfaces of this product shall contain no more than 0.25% lead by weighted average. Complies with CA AB 1953 and VT S.152. ANSI 3rd party certified and listed)
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Low Pressure Steam Heating Boiler Safety Valves

Low Pressure Steam Heating Boiler Safety Valves
  • Series 12-200
Medium capacity safety valves protect ASME Section IV low pressure steam heating boilers. Cast bronze, full nozzle design features PTFE faced elastomer soft seating for dependable operation.
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Certified Safety Valve

Certified Safety Valve
  • Model RVS32
  • Series 10-322
ASME Section VIII design certified Safety Valve to protect portable steam vessel applications such as autoclaves, sterilizers and pressure cookers against excess pressure build-up. Made from proven ASTM grade Brass with optional decorative chrome finish.
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Safety Valves

Safety Valves
  • Series 10-512
  • Model Number RVS52
ASME Section VIII capacity certified safety valve for overpressure protection of steam systems, cookers, kettles, sterilizers and similar equipment.
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Sea Flange Valves

Sea Flange Valves
  • Series 78
Full Flow Sea Flange Valve, bronze, 34" to 4". An 85-5-5-5 bronze ball type valve developed to replace plug and other types of sea cocks in the boating industry.
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Bronze Automatic Temperature Valves

Bronze Automatic Temperature Valves
  • Model Number TP

Bronze automatic temperature and pressure relief valves used for protection of hot water heaters and storage tanks. Protects against elevated temperature and pressure.

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Safety Relief Valve

Safety Relief Valve
  • Series 17
  • Model Number RVW17
ASME Section IV and CSA capacity certified bronze "uni-body" Safety Relief Valve for protection of hot water boilers, systems and similar equipment. This valve prevents excessive thermal expansion buildup in plumbing systems, tank applications or tankless water heaters.
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High Capacity Safety Valves

High Capacity Safety Valves
These flanged, heavy duty, and high capacity safety valves are ideal for use on all types of boilers, pressure vessels, and pressure piping systems. ASME Sections I & VIII, for steam, air, and gas service. Set pressures to 250 psig at 450.F max. Flanged inlet sizes 1 12" through 6" ANSI 250 lb. Threaded inlet sizes 2" through 3" FNPT.
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Bronze Safety Valves

Bronze Safety Valves
  • Series 19
Applications: Overpressure protection of steam boilers, sterilizers, distillers, cookers, and pressure reducing stations. Pneumatic conveying equipment, air compressors, receivers and dryers. Steam, air and gas accumulators, pressure vessels, and pressure piping systems.
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Calibrated Relief Valves

Calibrated Relief Valves
  • Series 16-503/504
Calibrated pressure relief valve allows for in-line pressure adjustments without the need for a pressure gauge. Provides static overpressure protection for liquid filled systems such as well pumps, tanks, fire protection systems.
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Multi-Purpose Safety Relief Valves

Multi-Purpose Safety Relief Valves
  • Series 500
Versatile safety relief valve available in bronze, carbon steel or all stainless steel construction, suitable for a wide range of steam, air, gas, and liquid applications. High capacity full nozzle design is available with metal to metal, PCTFE or elastomer O-ring seating. Short tuned blowdown and backpressure tight body minimizes fugitive emissions and product losses in the event of valve operation.
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Safety Valve

Safety Valve
  • Model Number RVA15
To achieve topmost performance and maximum service life, it is necessary to maintain a proper pressure margin between the set pressure of the safety relief valve and the operating pressure of the equipment. The minimum recommended operating pressure margin for this type of safety relief valve is 10 psi or 25% of the operating pressure, whichever is greater.
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Backflow Prevention Valves

Backflow Prevention Valves
  • Size 3/4", 1" and 1" swivel X 3/4" FNPT Union
Prevents polluted water from entering the potable water supply system by preventing the reverse flow of water into supply lines. Cast bronze body and brass union inlet connection. The Cash Acme BF -1 is available in 34" and 1" sizes and incorporates a female threaded union inlet and a female threaded outlet. The Cash Acme BF -5 is available as a 1" meter threaded (swivel) inlet and 34" FNPT (union).
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CQ-M Dual Control Valve

CQ-M Dual Control Valve
  • Sizes 1/2"
Bronze body features large unrestricted waterways, special heat resistant composition diaphragms, silicone relief seat and an easy to clean inbuilt stainless steel strainer. All units have a test lever and an inbuilt check valve to prevent backflow. Provides pressure control and protection from thermal expansion.
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CBL Hot Water Boiler Dual Control Valve

CBL Hot Water Boiler Dual Control Valve
  • Sizes 1/2"
All bronze construction, inbuilt stainless steel strainer screen, neoprene and bronze diaphragms, brass and stainless steel seat, renewable relief seat disc. Includes an inbuilt check valve to retard reverse flow and an inbuilt bypass for rapid filling, high pressure tests and system purging. Reduced pressure setting of 14 psi and relief setting of 30 psi for two-story buildings; slightly higher setting for 3-, 4- or 5-story buildings. Maximum inlet working pressure is 100 psi. Combines a pressure reducing and regulating valve, positive relief valve and bypass valve into one compact unit.
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FWC Miniature Non-Code Relief Valves

FWC Miniature Non-Code Relief Valves
  • Sizes 1/2" and 3/4"
Small, low-cost relief valves suitable for static over-pressure protection. Type FWC incorporates a calibrated adjusting screw for occasional changes in pressure setting without the use of a pressure gauge. Bronze bodies with male inlet and female outlet, silicone seats and stainless steel spring. Standard factory set is 125 psi. Available set range for FW is 15 to 250 psi. FWC is 25 to 175 psi.
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Float Valve

Float Valve
  • Model 129-01 / 629-01
The Cla-Val Model 129-01629-01 Float Valve maintains a relatively constant level in storage tanks and reservoirs by admitting flow into the tank in direct proportion to the flow out of the tank. The rotary disc type float operated pilot control is installed at the high liquid level in the reservoir and is connected via tubing or pipe to the main valve. As the liquid level changes, the float control proportionally opens or closes the main valve, keeping the liquid level nearly constant.
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Pilot-Operated Safety Relief Valve

Pilot-Operated Safety Relief Valve
  • Model 4900
Features innovative, pilot-operated safety relief design that incorporates internal passages between the main valve and pilot valve sub-assembliesThis tubeless assembly provides inherent advantages by reducing potential damage to external tubingInlet Sizes 1" to 8" flangedOutlet Sizes: 2" through 10" flangedOrifice Sizes: D - TSet Pressure Range 15 psig to 7200 psigTemperature Range -40 F to 505 FAdjustable blowdown 2% - 7%Stainless steel pilot w carbon steel main valve & stainless steel trim
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Emergency Mixing Valves

Emergency Mixing Valves
  • Series 34E
  • Model Number MVE
Emergency Eye Wash Face Wash Device to ASSE 1071 and ANSIISEA Z358.1 Patented Hot and cold water supply failure protection. Tepid water temperature limit control. Locking handle for tamper-proof protection. Integral inlet check valves and strainers. Superior thermostatic element technology.
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Fire Protection Relief Valve

Fire Protection Relief Valve
  • Model 750B-4KG
The Cla-Val Model 750B-4KG1 Pressure Relief Valve is a hydraulically operated pilot actuated automatic control valve designed specifically to automatically relieve excess pressure in fire protection pumping systems. Pilot controlled, it maintains constant system pressure at the pump discharge within very close limits as demands change. The main valve consists of a stainless steel body and only one moving part, an elastomeric liner or control element.
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Pressure Only ASME Safety Relief Valves

Pressure Only ASME Safety Relief Valves
  • Sizes 3/4", 1", 1-1/4", 1-1/2" and 2"
ASME Section IV listed and rated for emergency steam discharge. Bronze body, brass andor stainless steel internal components, silicone seat disc and stainless steel spring. "Pop" type action provides maximum safety. F-30 set at 30 psi only.
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Tubular Fire Relief Valve

Tubular Fire Relief Valve
  • Model 850B-4
The Cla-Val Model 850B-4 Fire Relief Valve is a pressure-operated, in-line axial valve. A tube diaphragm actuates the valve, which is comprised of three major components: 1) Tube 2) Barrier and 3) Body. There is only one moving part in the valve the tube diaphragm. There are no shafts, packing, stem guides or springs.
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FWOL Pressure Only Safety Relief Valves

FWOL Pressure Only Safety Relief Valves
  • Sizes 1/2" and 3/4"
Bronze body, brass and stainless steel internal parts, silicone seat disc, and stainless steel spring. Test lever is standard on the FWL-2. Male inlet and female outlet. Automatic reseating after pressure relief. Compact and economical. The FWOL is available without the lift lever.
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Clean Steam Thermostatic Steam Traps

Clean Steam Thermostatic Steam Traps
Armstrong offers a complete range of TC Series traps to handle the special requirements of clean steam systems. Different body configurations are available for choice of piping and ease of cleaning.
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Fire Protection Pump Suction Control Valve

Fire Protection Pump Suction Control Valve
  • Model 50B-5KG
The Model 50B-5KG Pump Suction Control Valve is designed specifically for Fire Pump Suction Control Service. It modulates to maintain the pump discharge in relation to the suction head available, thus assuring that the suction head pressure does not fall below the pre-set minimum. When there is a demand in the Fire System, the pump is started, delivering water from the supply source to the area of demand.
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Regulating Valve

Regulating Valve
  • Sizes 3/4" and 1"
The SoloSet EB-25 Stainless Steel features a solid, 100% lead free body, which complies with NSF-61 standards for potable water.The EB-25SS features the exact same cartridge, features, and benefits that are included in the EB-25 pressure regulator.
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Modulating Float Valve

Modulating Float Valve
  • Model 427-01 / 627-01
The Cla-Val Model 427-01627-01 Float Valve modulates to maintain a constant liquid level in a storage tank by compensating for variations in supply or demand. It can be installed to control either the flow into or out of the tank by either Closing on a rising level or Opening on a rising level. This valve is a hydraulically-operated, pilot controlled diaphragm valve.
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Float Valves

Float Valves
  • Model 124-02 / 624-02
The Model 124-02624-02 Float Valve is commonly mounted above the high water level in a tank. Globe pattern valves are supplied standard with the float control mounted on the right side of the cover as illustrated, with a horizontal discharge. Angle valves are configured to discharge downward.
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Ductile Iron Butterfly Valves

Ductile Iron Butterfly Valves
  • Series LD145
Assembled & Tested in the USA The Apollo LD145 Series Ductile Iron Butterfly Valves are ideal for use in Industrial and HVACMechanical applications. LD145 Series is a lug style.
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One-Pipe Steam Radiator Valves

One-Pipe Steam Radiator Valves
  • Model RV-4 - One Pipe
The Armstrong RV-4 one-pipe radiator valve is a state-of-the-art thermostatic radiator valve for low-pressure steam service. The valve provides accurate and automatic control of the temperature in individual rooms, through automatic air venting.
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Wafer Swing Check Valve

Wafer Swing Check Valve
  • Model 501A
Cla-Val Series 501A Wafer Swing Check Valve has a quick, spring-assisted closure that minimizes the possibility of water hammer. The swing check design offers low head loss and a full-flow passageway making it ideal for water or wastewater applications. The short lay length of the valve allows for a space-saving design. It is available in sizes 2" to 30", with either a 125 lb. or 150 lb. pressure class rating.
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Dual Purpose ASSE Thermostatic Mixing Valves

Dual Purpose ASSE Thermostatic Mixing Valves
  • Series 34B
Dual Purpose ASSE thermostatic mixing valves are designed to control and limit the volumes of cold and hot water required to deliver mixed water at a predetermined temperature either from the "point of source" or "point of use" application for single or multiple fixtures.
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Mini Thermostatic Mixing Valve

Mini Thermostatic Mixing Valve
  • Size 1/2" FNPT
The 145 is a mini point-of-use thermostatic mixing valve. It provides stable operation at flow rates as low as 0.5 gpm, or as high as 5.5 gpm. The valve also reduces the outlet flow to a trickle in the event of cold water supply failure. Inlet connections are typical supply line 38" compression for 38" OD tube or flexible hose with integral connectors. The 38" NPT female thread on the outlet allows adaptation to any connection type. Compact design, easily fits under or behind a single basin.
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Level Control Float Valve

Level Control Float Valve
  • Model 124-01 / 624-01
The Cla-Val Model 124-01624-01 Float Valve is a non-modulating valve that accurately controls the liquid level in tanks. This valve is designed to open fully when the liquid level reaches a pre-set low point and close drip-tight when the level reaches a preset high point.
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Pilot Operated Safety Relief Valve

Pilot Operated Safety Relief Valve
  • Model 2900-40
Suitable for demanding economizer & boiler protection applicationsOffers increased throughput, reduced steam lossCost-effective installation and maintenanceInlet Sizes 1" through 6" Outlet Sizes: 2" through 8"Orifice Sizes D through QSet Pressure Range 15 to 3750 psigTemperature Range -20 F to 1200 FCarbon steel base and 316 stainless steel internal components; pilot valve 316 stainless steel
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Modular Pilot-Operated Valve

Modular Pilot-Operated Valve
  • Model 2900 MPV
Combines the full nozzle construction of the Type 1900 main valve design with the extremely versatile pilot valve options from the 3900 MPV designTypically provided with a metal-to-metal seatAbility to directly replace spring-loaded valves in either new or existing applicationsInlet Sizes: 1" through 12" Outlet Sizes: 2" through 16"Orifice Sizes D - WSet Pressure Range 15 to 6250 psigTemperature Range -40 F to 505 FStainless steel pilot wcarbon steel main valve & stainless steel trimAdjustable blowdown 2% to 7%
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TA Temperature Regulating Valve

TA Temperature Regulating Valve
  • Sizes 1/2", 3/4", 1", 1 1/4", 1 1/2", 2"
Bronze body with union ends, direct or reverse acting, stainless steel trim. Also available as a 3-way valve for diverting or mixing applications. Brass thermal systems standard. Stainless steel, Teflon or PVC coated thermal system available as special option. Temperature ranges from -15F (-25C) to 415F (252C). As temperature rises in the bulb, liquid in the bulb vaporizes and transmits power through the tubing to a bellows in the control valve. Heating or cooling fluid passing through the valve is thus modulated to maintain a desired temperature in the process being controlled.
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Dual Master Mixing Valve

Dual Master Mixing Valve
  • Series 34BLF
Hot water limit devices, ASSE 1070, built using Lead Free materials. Superior thermostatic element technology for optimum reliability, dependability, and accuracy. Integral strainers and check valves provide protection against cross-flow and foreign particles.
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Relief Valve

Relief Valve
  • Inlet/Outlet Sizes 1/2" and 3/4"
  • Element Extensions 1-5/16" to 7-7/8"
The NCLX incorporates an inert thermal element coating that provides effective isolation from mineral deposits (liming). Cast bronze body with male inlet and female outlet, brass and stainless steel internal parts, silicone seat disc and stainless steel spring. Test lever standard. Temperature relief setting is 210F (99C).
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Relief Valve

Relief Valve
  • Sizes 3/4", 1", 1-1/4", 1-1/2" and 2"
CSA design certified per ANSI Z21.22 Relief Valves for Hot Water Supply Systems. Bronze body, stainless steel spring, furnished with silicone seat disc and EP diaphragm, as well as a test lever. Standard factory setting is 150 psi. Temperature relief setting is 210F (99C). All FVX Series valves through 1-14" have coated thermal elements that protect against mineral build-up. The 1-12" and 2" valves have stainless steel elements. Available with male or female inlet connections. Female outlet connections.
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Armstrong Piston Valves

Armstrong Piston Valves
Armstrong Piston Valves For Saturated and Superheated Steam, and Hot Water Applications Maximum operating pressure of 136 barg1973 psig . . . Max. operating temperature of 427C800F Armstrong Piston Valves are full port forged steel isolation valves.The burnished piston and metal reinforced graphite rings provide leak-proof shutoff and allow Armstrong Piston Valves to be operated at higher temperatures, while also extending operating life. Armstrong Piston Valves are available in Socket Weld, BSPT, and NPT end connections. Flanged ends can be supplied upon request.
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Solenoids

Solenoids
  • Media: 0°F to +180°F.
TEMPERATURE LIMITS:Media: 0F to +180F.Ambient:1: NEMA 4, 4X, 0F to +180F.2: NEMA 4-4X-7-9, 0F to +125F.COIL RATINGS:1: NEMA 4, 4X: Continuous duty molded Class Hinsulation.2: NEMA 4-4X-7-9: Continuous duty molded Class FCOIL VOLTAGES AVAILABLE:Coil Voltage Variation: +-10% of Nominal1: 120 VAC-60 Hz110 VAC-50 Hz.2: 240 VAC-60 Hz220 VAC-50 Hz120 VDC.3: 48 VAC-60 Hz44 VAC-50 Hz24 VDC.4: 24 VAC-60 Hz22 VAC-50 Hz12 VDC.
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Universal Media Safety Relief Valve

Universal Media Safety Relief Valve
  • Model Type 1900
Available in a wide range of options and featuresThe standard rugged configuration is equipped with corrosion resistant trim, steel body, and capTop guided for free and repeatable actionDesigned for easy maintenanceBellows construction available for back pressure applicationsAvailable in 150-2500 ANSI ClassAvailable in Inlet Sizes 1" to 12"Wide range of materials for special applications
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Steam Safety Valves

Steam Safety Valves
  • Model 2700
Designed to meet the fast growing co-generation and waste to energy marketsASME Code Section I and VIII1 12" to 6" Flanged or Weld Neck designANSI Class 600, 900 & 1500Temperature Range -20 F to 1050 FOrifice Sizes 1-QAlloy and Carbon Steel Cast Body w Stainless Steel trim. Special alloys and trim are available4% BlowdownGE proprietary THERMODISC brand seal provides superior repeatable seat tightness
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MC Small By-Pass Valve

MC Small By-Pass Valve
  • Sizes 1/2", 3/4", 1"
Small, economical bypass valve for pressure control of a less critical nature. Bronze body, stainless steel ball seat. Metal-to-metal seat - does not close off drip tight. Leak-proof cover cap and gasket. Male inlet, female side outlet. Pressure ranges 10 to 250 psi.
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Air Pressure Regulators

Air Pressure Regulators
Direct-acting, high-performance Marsh Bellofram air pressure regulators offer precision control, high-accuracy, maximum stability, large flow and exhaust capabilities to support even the most challenging OEM and industrial applications.
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