Spence Type E Main In Stock

Manufacturer:
Spence
Description:

The Spence Type E Main valve comes in sizes 3/8" - 12" and available pressures to 600 psig at 750°F. Pressure regulating for steam distribution, regulating for process control (temperature or pressure). Maintains back pressure or differential pressure. For use with self-contained, pneumatic or electronics pilots. The Spence Type E Main is a normally closed, single seat valve with balanced metal diaphragms. The main spring in the body of the valve is protected from material flowing through the valve. The Spence E Main is available for fluid, gas & vapor applications and carries a lifetime warranty against wire drawing of seat and disc.

Item Name: Spence E-Main Pressure Reducing Valve
Description:

Type E Main Valve Features:

• Normally Closed

• Single Seat

• Balanced Metal Diaphrams

• Protected Main Spring

• Fluid, Gas & Vapor Applications

• ANSI/FCI 70-2 Class IV Shutoff

• 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

Type E Main Valve Body Options

Cast Iron                            Cast Steel

Class 250 NPT                           Class 300 NPT

Class 125 Flanged                    Class 150 Flanged

Class 250 Flanged                    Class 300 Flanged

                                           Class 600 Flanged

 

Lead Time: Typical delivery 3-5 days. Expedite options available for NEXT DAY shipments only.
Cast Iron 125 lb NPT Spence E Main
Cast Iron
Valve Size
Cast Iron Screwed
Ends NPT
Face to Face
Weight, lb  
3/8" 4-3/8" 14 RFQ
1/2" 4-3/8" 14 RFQ
3/4" 4-3/4" 18 RFQ
1" 5-3/8" 23 RFQ
1-1/4" 6-1/2" 33 RFQ
1-1/2" 7-1/4" 43 RFQ
2" 7-1/2" 62 RFQ
Cast Iron 125 lb Flanged Spence E Main
Cast Iron
Valve Size
Cast Iron
125 lb Flanged Ends
Face to Face
Bolt
Pattern
Weight, lb  
1" 5-1/2" 4 26 RFQ
1-1/4" 6-3/4" 4 37 RFQ
1-1/2" 6-7/8" 4 47 RFQ
2" 8-1/2" 4 73 RFQ
2-1/2" 9-3/8" 4 95 RFQ
3" 10 4 125 RFQ
4" 11-7/8" 8 210 RFQ
5" 13-5/8" 8 295 RFQ
6" 15-1/8" 8 420 RFQ
8" 19" 8 700 RFQ
10" 23-5/8" 12 1240 RFQ
12" 26-1/2" 12 2060 RFQ
Cast Iron 250 lb Flanged Spence E Main
Cast Iron
Valve Size
Cast Iron
250 lb Flanged Ends
Face to Face
Bolt
Pattern
Weight, lb  
1" 6" 4 31 RFQ
1-1/4" 7-1/4" 4 41 RFQ
1-1/2" 7-3/8" 4 55 RFQ
2" 9" 8 78 RFQ
2-1/2" 10" 8 100 RFQ
3" 10-3/4" 8 140 RFQ
4" 12-1/2" 8 230 RFQ
5" 14-1/2" 8 310 RFQ
6" 16" 12 470 RFQ
8" 20" 12 710 RFQ
10" 25" 16 1300 RFQ
12" 28" 16 2140 RFQ
D Pilot Pressure Ranges
Spring Pressure Rating  
Aluminum Spring 3 to 20 psi RFQ
Orange Spring 5 to 50 psi RFQ
Green Spring 10 to 100 psi RFQ
Black Spring 20 to 150 psi RFQ
Rated Flow Coefficients (Cv)
Seat Factor 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 1.5 2.8 5.4 8.8 14.1 19.8 31 44 74 109 169 248 444 706 1113
Full 75% - 2.1 4 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 9.9 15.5 22 37 55 85 124 222 353 557
Normal 0.65 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
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