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New spence 3/4" type e main valve


NEW SPENCE 3/4" TYPE E MAIN VALVE
3/8 1/2 3/4 1 11/4 11/2 2 21/2 3 4 5 6 8 10 12
Full 1.5 2.8 5.4 8.8 14.1 19.8 31 44 74 109 169 248 (***) 706 1113
Full 75 % — 2.1 4.0 6.6 10.6 14.8 23.3 33 56 82 127 186 333 530 835
Full 50 % — 1.4 2.7 4.4 7.0 9.9 15.5 22 37 55 85 124 222 353 557
Normal .65 1.5 4.8 7.5 10.4 14.6 17.6 24 43 78 115 151 249 377 631
Normal 75 % — — — — — — — 18 33 59 87 114 187 283 474
Normal 50 % — — — — — — — 12 22 39 58 76 125 189 316
Pressure Regulating for Steam Distribution
Regulating for Process Control (Temperature or Pressure)
Maintain Back Pressure or Differential Pressure
For use with Self-contained, Pneumatic or Electronic Pilots
Single Point or Multiple Use Applications
Valve Ends Pressure Temperature
Class 250 NPT 250 (17.2) @ 450 (232)
B16.1 Class 125 Flanged 125 (8.6) @ 450 (232)
B16.1 Class 250 Flanged 250 (17.2) @ 450 (232)
B16.34 Class 300 NPT 300 (21.0) @ 600 (315)†
B16.34 Class 150 Flanged 150 (10.3) @ 500 (260)
B16.34 Class 300 Flanged 300 (21.0) @ 600 (315)†
B16.34 Class 600 Flanged 600 (41.4) @ 600 (315)†
†750°F (400°C) construction available on request.
Other pressure/temperature ratings available; consult factory.
Maximum downstream pressure is 300 psi.
Canadian Registration # OC 0591.9C
PRESSURES to 600 PSIG at 750°F
Fluid, Gas & Vapor Applications
Multiple Trims for Precise Sizing
ANSI/FCI 70-2 Class IV Shutoff
Virtually Frictionless for Long Service Life
Wide Variety of Pilots for Many Applications
Minimum Operating ΔP 10 psi (.7 bar)
Lifetime Warranty against Wiredrawing of
Composition Disc Parabolic Disc
Balanced Construction Integral Mount Pilot
Insulcap Insulating Jacket Secoweld
High Temperature Construction Dashpot
Low ΔP (LP) Main Spring EZ Connections



New spence 3/4