Spence E-Main Pressure Reducing Valve
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Float Valves |
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| Type E Main Valve Features Normally Closed Single Seat Balanced Metal Diaphrams Protected Main Spring Fluid, Gas & Vapor Applications Accurate Regulation Unaffected by Service Conditions ANSI/FCI 70-2 Class IV Shutoff Virtually Frictionless for Long Service Life Packless Construction Easy In-Line Maintenance Wide Variety of Pilots for Many Applications Minimum Operating 10 psi |
Application Data Pressure Regulating for Steam Distribution Regulating for Process Control (Temperature or Pressure) Maintain Back Pressure or Differential Pressure For use with Self-contained, Pnuematic or Electronic Pilots Single Point or Multiple Use Applications Slow Start-up or Shutdown E-Main Ranges (PSI) |
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| Rated Flow Coefficients (Cv) | |||||||||||||||
| Seat Factor | Regulator Size | ||||||||||||||
| 3/8" | 1/2" | 3/4" | 1" | 1-1/4" | 1-1/2" | 2" | 2-1/2" | 3" | 4" | 5" | 6" | 8" | 10" | 12" | |
| Full Full 75% Full 50% Normal Normal 75% Normal 50% |
1.5 --- --- 0.65 --- --- |
2.8 2.1 1.4 1.5 --- --- |
5.4 4 2.7 4.8 --- --- |
8.8 6.6 4.4 7.5 --- --- |
14.1 10.6 7 10.4 --- --- |
19.8 14.8 9.9 14.6 --- --- |
31 23.3 15.5 17.6 --- --- |
44 33 22 24 18 12 |
74 56 37 43 33 22 |
109 82 55 78 59 39 |
169 127 85 115 87 58 |
248 186 124 151 114 76 |
444 333 222 249 187 125 |
706 530 353 377 283 189 |
1113 835 557 631 474 316 |
| Type E Main Valve | ||||||||||||
| Size | E-Face to Face | Other Dimensions | Approx Wt. | |||||||||
| SCR. Ends | 125 LB | 250 LB | A | B | C | D | F | G | Scr. Ends | 125 Lb. | 250 Lb. | |
| 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4" 5" 6" 8" |
4-3/8" 4-3/8" 4-3/4" 5-3/8" 6-1/2" 7-1/4" 7-1/2" --- --- --- --- --- --- |
--- --- --- 5-1/2" 6-3/4" 6-7/8" 8-1/2" 9-3/8" 10" 11-7/8" 13-5/8" 15-1/8" 19" |
--- --- --- 6" 7-1/4" 7-3/8" 9" 10" 10-3/4" 12-1/2" 14-1/2" 16" 20" |
2-3/4" 2-3/4" 2-7/8" 3-5/8" 4-1/8" 4-3/8" 5-1/4" 5-3/4" 6-5/8" 7-5/8" 8-1/2" 10" 11-1/2" |
5-1/4" 5-1/4" 5-1/2" 6-1/4" 6-1/2" 7-1/8" 7-5/8" 8-3/8" 9-1/4" 11-7/8" 12-1/2" 14-1/8" 17-1/4" |
5-7/8" 5-7/8" 6-1/2" 7" 7-7/8" 8-3/4" 9-7/8" 10-7/8" 11-3/4" 14-3/4" 16-7/8" 19-3/4" 22-1/2" |
1-1/4" 1-1/4" 1-3/8" 1-1/2" 1-7/8" 2" 2-1/8" 2-3/8" 2-3/4" 3-1/2" 3-1/2" 4" 6-1/4" |
5-3/8" 5-3/8" 5-5/8" 5-3/4" 6" 6-1/4" 6-5/8" 6-3/4" 7-1/4" 8" 9" 9-7/8" 10-1/2" |
7-3/8" 7-3/8" 7-7/8" 8-7/8" 9-1/8" 9-3/4" 11-1/4" 12-1/8" 14-5/8" 18-1/4" 20-1/8" 22-3/8" 27-3/4" |
14 14 18 23 33 43 62 --- --- --- --- --- --- |
--- --- --- 24 36 45 67 82 110 200 280 385 657 |
--- --- --- 27 40 51 72 100 130 235 315 455 735 |
| Body Material | Maximum | |||||||||
| PSI | F | 3/8" | 1/2" | 3/4" | 1" | 1-1/4" | 1-1/2" | 2" | 2-1/2" | |
| Cast Iron | ||||||||||
| Screwed | 250 | 450 | $670.00 | $670.00 | $726.00 | $800.00 | $1016.00 | $1238.00 | $1635.00 | ― |
| Flanged 125# | 125 | 450 | ― | ― | ― | $1358.00 | $1478.00 | $1770.00 | $1863.00 | $2165.00 |
| Flanged 250# | 250 | 450 | ― | ― | ― | $1423.00 | $1546.66 | $1863.33 | $1983.33 | $2426.66 |
| Cast Steel | ||||||||||
| Screwed | 300 | 600 | $3115.00 | $3115.00 | $3415.00 | $3611.66 | $4298.00 | $4786.66 | $6101.66 | ― |
| 300 | 750 | $3900.00 | $3900.00 | $4100.00 | $4530.00 | $5051.66 | $5541.66 | $7023.33 | ― | |
| Flanged 150# | 150 | 500 | ― | ― | ― | $4505.00 | $5033.33 | $5435.00 | $7498.33 | $3445.00 |
| Flanged 300# | 300 | 600 | ― | ― | ― | $4656.00 | $5176.66 | $5600.00 | $7626.66 | $8940.00 |
| 300 | 750 | ― | ― | ― | $5500.00 | $6231.66 | $6623.33 | $8781.66 | $10,098.33 | |
| Flanged 600# | 600 | 600 | ― | ― | ― | $6126.66 | $6783.33 | $7540.00 | $9390.00 | $11,293.33 |
| 600 | 750 | ― | ― | ― | $6813.33 | $7631.66 | $8351.66 | $10,268.00 | $12,290.00 | |
| Body Material | Maximum | ||||||||
| PSI | F | 3" | 4" | 5" | 6" | 8" | 10" | 12" | |
| Cast Iron | |||||||||
| Screwed | 250 | 450 | ― | ― | ― | ― | ― | ― | ― |
| Flanged 125# | 125 | 450 | $2796.66 | $4410.00 | $7976.00 | $10,256.00 | $18,032.85 | ― | ― |
| Flanged 250# | 250 | 450 | $3096.66 | $4778.33 | $8138.33 | $10,973.33 | $20,764.28 | ― | ― |
| Cast Steel | |||||||||
| Screwed | 300 | 600 | ― | ― | ― | ― | ― | ― | ― |
| 300 | 750 | ― | ― | ― | ― | ― | ― | ― | |
| Flanged 150# | 150 | 500 | $10,328.00 | $15,406.66 | $18,088.57 | $24,848.57 | ― | ― | ― |
| Flanged 300# | 300 | 600 | $11,161.66 | $16,408.33 | $18,915.71 | $26,140.00 | ― | ― | ― |
| 300 | 750 | $12,428.00 | $16,549.23 | $20,504.28 | $27,864.28 | ― | ― | ― | |
| Flanged 600# | 600 | 600 | $14,098.33 | $18,547.14 | $23,420.00 | $31,765.71 | ― | ― | ― |
| 600 | 750 | $15,043.33 | $18,926.15 | $24,174.28 | $32,574.28 | ― | ― | ― | |
| Type | Cast Iron | Cast Steel | |
| D | Screwed Inlet | Flanged Inlet | |
| Ranges psi (3-20 - 5-50 - 10-100 - 20-150) | $469.75 | $1800.00 | $1995.85 |
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