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Home -> Inventory -> Spence


From T&A Valve Industries— THE TOTAL SOURCE!
 SPENCE Pilot Operated Regulators for Commercial & Industrial Applications
Widest choice of pilots to suit many more challenging applications.
The Spence Pilot Operated Regulator has been the trouble-free standard for Commercial/HVAC applications for nearly a century. What many people don't know is that this same dependable, rugged valve can provide these benefits in many Industrial applications. If you are controlling s temperature, pressure, back pressure or differential pressure with a control valve and are plagued with erratic control, poor or slow response, leaky valves and/or complicated support systems, a Spence Pilot Operated Regulator is often the solution. We have specialized valve/pilot combinations to perform many tasks traditionally done by control valves - without typical control valve problems!
  Main Valves
• For steam, gases and fluids
• Precise control
• Flexible diaphragm
• Choice of main spring to suit wide range of differential pressures
• Wide variety of Pilots target specific requirements
• ANSI/FCI 70-2 Class IV to Class VI shutoff
• Cast Iron - ANSI 250 Threaded 3/8" to 2"; ANSI 125/250 Flanged 1" to 12"
• Low maintenance, long service life
• Few moving parts and no fine tolerances
• Packless construction for virtually frictionless, leak free operation
• Main spring isolated from steam
• Hardened seat and disc with lifetime warranty against wiredrawing
• Minimum operating AP to 3 psi
• Cast Steel - ANSI 300 Threaded 3/8" to 2"; ANSI 150/300/600 Flanged 1/2" to 12"
 
TYPE E

•

 Stainless steel multiple sheet diaphragm for durability
TYPE E2
• For low differential pressures in low pressure applications
• Hycar diaphragm for maximum flexibility
TYPE E5
• For low differential pressures in higher pressure and/or high capacity applications
• Condensation chamber and long, finned base cool hycar diaphragm for long service life
TYPE E6
• For cool gas service and high capacity applications
• Hycar diaphragm for maximum flexibility
• Composition disc provides ANSI/FCI 70-2 Class VI shutoff
TYPE E8
• Economical alternative to control valve ideal for "dirty steam"
• Direct operated via air signal
TYPE C34
• Balanced plug and composition disc for liquid service
• Hycar diaphragm for maximum flexibility
MAIN VALVE OPTIONS
• Balanced Construction for finer adjustments and smoother operation
• Secoweld renewable seat ring
• EZ Connections for quick removal
• Condensation Chamber for high temperatures
• LP Main Spring for differential pressures below 15 psi
• Composition Disc for ANSI/FCI 70-2 Class VI shutoff
• Parabolic Discs and Seat Rings for special flow requirements
• Dashpot to prevent water hammer for liquid service on single seat valves
• Integrally mounted pilot
• Insulcap Jacket to limit energy loss and reduce noise transmission
E5 ED Integral Mount E with EZ Connections
  Pressure Pilots
D PRESSURE REDUCING
• The right choice in over 85% of pressure reduction applications
• Add Type M Pilot for electric on/off remote control
• Add Type D208 Pilot for automated station startup and shutdown
• Four pilots with nine spring pressure ranges
from 15 inches vacuum to 350 psi
A AIR ADJUSTED PRESSURE REDUCING
• Pneumatic remote adjustment
• Add Type P60 Pneumatic Controller for automatic control
• Eleven pilots from 30 inches vacuum to 150 psi
P125 TRIP STOP
• Quickly shuts off flow when overpressure condition exists
• Four spring pressure ranges from 5 to 175 psi
N DIFFERENTIAL PRESSURE
• Controls system pressure above or below another process variable
• Accurate within ±1 psi
• Three pilots with four spring pressure ranges from 3 to 150 psi
P/F46 PUMP GOVERNER
• Controls high differential pressures in steam driven pumps
• Maintain an average discharge pressure regardless of load changes
• Five pilots with 10 spring pressure ranges from 30 inches vacuum to 2000 psi
Q BACK PRESSURE
• Maintains constant adjustable initial pressure and responds rapidly to sudden load changes, preventing overpressure
• Three pilots with seven spring pressure ranges from 1 to 350 psi
F LOAD ALLOCATING
• Prioritizes load allocation when system demand exceeds supply
• Add Type D or A Pilot to also control downstream pressure
• Four F Series pilots with nine spring pressure ranges from 2 to 2000 psi
D210 ELECTRONIC ACTUATOR
• Modulates a process variable in relation to a proportional electronic control input signal
• Permits interfacing with Energy Management Systems
• Accepts 4-20, 10-50 and 1-5 mA input signals
SP/P PRESSURE SAFETY
• Emergency control when low pressure valve fails in two stage pressure reducing station where a safety relief valve is not an option
• Typically used with Type D or A Pilot
• Five spring pressure ranges from 5 to 175 psi
ED208D E5M33N EA with A Panel ED EM33D-EZ

 

Stocking a HUGE inventory • Value added Service Available

T & A Valve Industries Inc. • 5002 Second Avenue • Brooklyn, NY 11232 USA
Call Us Toll Free: 800-221-2587 • Tel: 718-439-5800 • Fax: 718-439-5656
EMAIL: sales@tavalve.net • www.tavalve.net
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