- 2 -
T H I S S P AC E F OR D E S I GN E R / E NG I N E E R A P P ROV A L
Job/Customer ________________________________ Date _____________________ Contractor__________________________________________
Model Specified_______________________________ Qty ______________________ Approved By________________________________________
Designer/Engineer_____________________________ Date _____________________ Contractor’s PO #____________________________________
Submitted by _________________________________ Date_____________________ Other______________________________________________
T H I S S P AC E F OR D E S I GN E R / E NG I N E E R A P P ROV A L
Job/Customer ________________________________ Date _____________________ Contractor__________________________________________
Model Specified_______________________________ Qty ______________________ Approved By________________________________________
Designer/Engineer_____________________________ Date _____________________ Contractor’s PO #____________________________________
Submitted by _________________________________ Date_____________________ Other______________________________________________
Teflon® is a registered trademark of Dupont.
Teflon® is a registered trademark of Dupont.
page 2.
4370 SERIES
FULL PORT STAINLESS STEEL BALL VALVES
3 PIECE INVESTMENT CAST - IPS
w/LOCKING HANDLE (800 WOG/150 WSP) -
ISO 9001
1. Conforms to Federal Spec. WWV-35C
2. Threaded ends comply with ANSI B1.20.1
3. Teflon
®
seats withstand temperatures
from -40°F to 400°F
4. Manufactured in an ISO 9001 Facility
PSI
900
800
700
600
500
400
300
200
Valve Seat Rating
All Teflon® seated valves
”Maximum Temperature is 400°F @ 100 PSI”
200°F
300°F
400°F
PRESSURE RATING
800 WOG non-shock
150 WSP
2 1
4 3 14 13
12
5
7
6
9 10
8
11
D
C
B
A
Designed for commercial and industrial use with a broad range of fluid handling applications. This approved
Webstone heavy duty 316 Stainless Steel investment cast body features a solid stainless steel ball with reinforced
Teflon
®
seats. The valve is actuated by a blowout proof stem with a Teflon
®
seal and features an adjustable packing
nut. Vinyl coated stamped 304 stainless steel handle with locking device. The 3 piece design makes in-line repair
as easy as 1-2-3. Replacement seats and seals are always in stock and available.
ITEM
SIZE CTN/CS
A
B
C
D
C
V
43702
1/2
1/40
1/2
2 5/16 2 9/16
4 1/2
14.29
43703
3/4
2/24
3/4
3 1/4
2 3/4
5 1/2
34.06
43704
1
2/24
1
3 1/4
2 3/4
6
56.46
43705
1 1/4
2/12
1 1/4
4 5/8
2 3/4
6
114.03
43706
1 1/2
2/8
1 1/2
4 1/4
3 1/2
6 1/2 161.30
43707
2
2/8
2
5
3 7/8
7 3/4 248.61
C
v
= The number of gallons of water per minute that pass through the valve at a 1lb pressure drop.
1.
BODY
ASTM A351.GR.CF8M-SS316
2.
END CAP
ASTM A351.GR.CF8M-SS316
3.
SEATS
TEFLON® (PTFE+15%G.F.)
4.
BALL
ASTM A351.GR.CF8M-SS316
5.
STEM
ASTM A351.GR.CF8M-SS316
6.
THRUST WASHER
TEFLON® (PTFE+15%G.F.)
7.
STEM SEAL
TEFLON® (PTFE+15%G.F.)
8.
LEVER HANDLE
SS 304
9.
SPRING WASHER
SS 304
10. NUT
SS 304
11. HANDLE JACKET
VINYL
12. BOLTS
SS 304
13. NUTS
SS 304
14. SPRING WASHERS
SS 304
WEBSTONE
BALL VALVES
Webstone ball valves provide you with the most innovative and highest-quality products for residential, commercial,
and industrial applications. They are all backed by a lifetime warranty.
We hope you will find the information you are looking for and this reference catalog easy for you to use. Page 34
describes our item numbering system. Page 35 lists our products by material or type. The index lists our products
in numerical order by item number.
The Webstone name ensures that you will not find a better ball valve at any price.