Page 178 - O-Plumbing.indd

O178 Sum 1-800-634-6313 423-461-4700
www.summersindustrial.com

PLUMBING

“Y” STRAINERS COMBINATION VALVES

A BELL & GOSSETT

B

C

D BODY MATERIAL: Combination (Dual Unit) Valves combine the functions of a pres-
E Cast Iron ASTM A-126 Class B sure reducing (fill) valve and a non-code pressure relief valve. Both
F valves are equipped with an EPDM diaphragm. The diaphragm
G CONSTRUCTION: operated relief valve operates with a low differential between open-
H Constructed of high tensile ASTM A 126 Class B Cast Iron ing and closing pressures. The diaphragm operated pressure
I reducing valve is equipped with an inlet strainer and built-in low
J with blow-off connection and easily removable cylindrical screens. inlet pressure check valve. Model F-8 is equipped with a fast fill
K A tapered seat allows the screen to be self aligning and assures a feature. Iron body with non-corrosive internal components.
L perfect fit. 2-1/2” and 3” sizes have a flanged blow-off cover.
M MILITARY SPECIFICATIONS: Product # - 489890
N
O Stainers can be supplied to conform to MIL-S-16293F, Mfg. # - F8 - Pressure Setting Standard Relief 30, Reducing 12;
P Type 1, Style Y, Class 250. CAUTION: A COMMERCIAL Strainer Adj. Range A8 - 20 to 40, FB8 - 10 to 25; Wt., 7 lbs.
Q will not comply with a Military Specification. Consult factory for
R pricing.
BLOW-OFF OUTLETS:

N.P.T. tapped in sizes specified on dimension table. Not
normally furnished plugged.
OPERATING PRESSURES AND TEMPERATURES

Steam............................................... 250 psi at 406°F
Water, Oil, Gas ................................. 400 psi at 150°F
STANDARD SCREENS:

Service Connections Screen Screen
& Sizes Opening Material

Liquid Screwed 1/4”-2” 20 mesh 304 Stainless
.045 perf. Steel 18.8

Steam Screwed 1/4”-2” 20 mesh 304 Stainless Description:
.045 perf. Steel 18.8
Series 25AUB-Z3 Water Pressure Reducing Valves are used in
DIMENSIONAL DATA: STYLE T commercial and residential applications to reduce incoming wa-
ter pressure for protection of plumbing system components and
Product Mfg. Size Size Ship Wt. to reduce water consumption. It consists of a bronze body con-
# # 1/2 Blow- (C) lbs. struction, union inlet connection, integral stainless steel strainer
3/4 NPT 1.3 and high temperature resistant reinforced diaphragm for hot wa-
489230 220202 off 3/8 1.7 ter. The Series 25AUB-Z3 is available with a variety of end con-
AB 1/2 nections including: threaded, solder, PEX and CPVC with both
489250 220203 3.7 union and double union connections. Series 25AUB-Z3 has an
3 2-1/4 3/4 6 adjustable pressure range and is serviceable in-line. Maximum
3/4 6.4 Working Pressure: 300psi (21 bar), Adjustable Reduced Pressure
3-5/16 2- 3/4 Range: 25 to 75psi (172 to 517 kPa), Standard Pressure Setting:
7/16 11.6 50psi (344kPa).
3/4
489270 220204 1 4-1/2 3
489290 220205 1-1/4
489310 220206 1-1/2 5-3/16 3-1/4

5-7/8 4- #25AUB-Z3

13/16 Product Size Dimension (In.) Weight
# (In.) Lbs.
489330 220208 2 6-3/16 5-1/4 CD G
489718 1/2 3-1/2
7 1-1/2 3-1/8

489719 3/4 7 1-1/2 3-1/8 3-1/2

August 31, 2009