Spence E-Main Pressure Reducing Valve

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)
3-20 / 5-50 / 10-100 / 20-150

125# - 4 Bolt
250# - 8 Bolt

Rated Flow Coefficients (Cv)
Seat Factor	Regulator Size
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 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								―
Flanged 125#	125	450	―	―	―
Flanged 250#	250	450	―	―	―		Updating Prices
Cast Steel
Screwed	300	600					Call For Quote			―
Screwed	300	750								―
Flanged 150#	150	500	―	―	―
Flanged 300#	300	600	―	―	―
Flanged 300#	300	750	―	―	―
Flanged 600#	600	600	―	―	―
Flanged 600#	600	750	―	―	―

Body Material	Maximum
	PSI	F	3"	4"	5"	6"	8"	10"	12"
Cast Iron
Screwed	250	450	―	―	―	―	―	―	―
Flanged 125#	125	450						―	―
Flanged 250#	250	450						―	―
Cast Steel
Screwed	300	600	―	―	―	―	―	―	―
Screwed	300	750	―	―	―	―	―	―	―
Flanged 150#	150	500					―	―	―
Flanged 300#	300	600		Updating Prices			―	―	―
Flanged 300#	300	750		Call For Quote			―	―	―
Flanged 600#	600	600					―	―	―
Flanged 600#	600	750					―	―	―

Type	Cast Iron	Cast Steel
D		Screwed Inlet	Flanged Inlet
Ranges psi (3-20 - 5-50 - 10-100 - 20-150)

Contact Us Directly:

Toll Free: 1-800-780-3776
Int'l Phone: 770-957-9599
Int'l Fax: 770-957-9563
E-Mail: Email Your Request

Mailing Address: Power Plus International
143 McDonough Parkway
McDonough, GA 30253