Submittal Sheet

Quality and Commitment Since 1954
Job/Customer_________________________________ Date____________________ Contractor_____________________________
ModelSpecified _______________________________ Qty_____________________ ApprovedBy ___________________________
Designer/Engineer _____________________________ Date____________________ Contractor’sPO#________________________
Submittedby _________________________________ Date____________________ Other _________________________________
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THISSPACEFORDESIGNER/ENGINEERAPPROVAL
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www.webstonevalves.com P: [phone] F: [phone]
Webstone product specifications in U.S. customary units are approximate and are provided for reference only. Webstone reserves the right to change or modify product design, construction, specifications or materials
without prior notice and without incurring any obligation to make such changes and modifications on Webstone products previously or subsequently sold.
1370Spec_111913
1370Series
Double Flanged Check
Forged Brass Check Valve w/ Rotating Flange
Includes One Set of Mounting Bolts & Full-Faced Flange Gasket
Flange x Rotating Flange
150 PSI @ 200

F
ISO 9001
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ITEM # SIZE CTN CASE A B C D E F G Cv
Cracking
Pressure
(PSI)
Recommended
Flow Range
(GPM)
13703HV
¾ thru 1 ¼
1 10 1 3/4 4 3/16 1 1/4 1 1/8 3/8 2 11/16 5/8 27.4 0.23 15-50
13706HV
1 ½” thru 2”
1 10 2 9/16 4 3/16 2 1 1/2 3/8 2 11/16 5/8 66.6 0.17 55-120
TEMP °F PSI
100 150
150 150
200 150
250 N/A
300 N/A
350 N/A
366 N/A
Specifications: Designed for residential, commercial or industrial use with water or a glycol in conjunction with a Webstone Isolator Uni-Flange Ball Valve on circulator pumps
without integral checks. The valve operates in a horizontal or vertical position. The valve must be installed so that the directional arrow on the body corresponds with the system
flow.
 The rotatin
g
flan
g
e is secured by a snu
g
-fit snap-rin
g
that provides
g
reater control over positionin
g
durin
g
installation.
NO. DESCRIPTION MATERIAL
1 FLANGE BODY BRASS
2 CHECK VALVE BODY ABS
3 O-RING INNER SEAL NBR
4 SPRING STAINLESS STEEL
5 POPPE
T
ABS
6 O-RING OUTER SEAL NBR
7 RETAINING RING STAINLESS STEEL
8 ROTATING FLANGE BRASS
9 ROTATING FLANGE RING STAINLESS STEEL
10 FLANGE NU
T
S & BOLTS STEEL ZP
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PATEN
T
PENDING