Brochure

Thermoplastic Valves Product Guide & Engineering Specifictions
Swing Check Ball Valves
Made in the U.S.A. Suitable for Oil-Free air handling to 25 psi, not for distribution of compressed air or gas Page 808
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Size A B C D E
1-1/2 3-7/8 5-3/4 8-1/4 3-3/16 4-1/4
2 4-7/16 6-11/16 9-3/8 3-7/8 5-1/16
Sample Engineering Specification
All thermoplastic check valves shall be Swing Check Ball
Valve combination type constructed from PVC Type I,
ASTM D 1784 Cell Classifi cation 12454. All Ball Valve units
shall have Safe-T-Shear
®
stem, Safe-T-Blocked
®
Seal Carrier
and double stop Polypropylene handle. All valve components
shall be replaceable. All Swing Check Units shall be
maintenance free seal unit construction with EPDM seat
and weighted disc. All valves shall have external fl ow arrow
direction designation. All valves shall be pressure rated to
150 psi for water @73°F in full fl ow (open) position and to
75 psi @ 73°F back pressure (closed), as manufactured by
Spears
®
Manufacturing Company.
Features - PVC White
Spears
®
Swing Check Ball Valve offers a compact, high
performance one-piece combination valve for applications
requiring an in-line Ball Valve and Check Valve. This space,
time and labor saving valve is designed for general purpose
use and in wastewater pumping applications, such as ejector
pits. Provides quick shut-off for easy pump or equipment
servicing. Fully serviceable Ball Valve with replaceable,
maintenance free sealed Check Valve Cartridge featuring
long-life EPDM elastomer seats and weighted disc for full-
fl ow with minimal restriction and positive shutoff. Produced
in PVC White with socket end connectors. Available in IPS
sizes 1-1/2" and 2".
•
Compact, Space-Saving Design
• Union Design Allows Easy Service and Cleaning
• High Grade EPDM Seals
• Replaceable PTFE/HDPE Ball Valve Seats
•
Safe-T-Blocked
®
Seal Carrier on Ball Valve with
Safe-T-Shear
®
Stem and High Impact Polypropylene
Handle
• Replaceable Sealed Check Valve Cartridge with
Weighted EPDM Seat
•
Pressure Rated to 150 psi @ 73°F Full-Flow (open)
and 75 psi @ 73°F Back Pressure (closed)
•
Suitable for Horizontal or Vertical Up-flow Installations
E
A
B
C
D
General Installation Information: Swing Check
Ball Valves are designed for horizontal installations, but
may be installed in up-fl ow only vertical position. The
Check Valve portion MUST be installed with the valve's
FLOW arrow pointing in the direction of fl ow and with
the designated side up in horizontal installations. Do
Not install Check Valve upside down. The Ball Valve
portion may be rotated and installed in any position. Flow
velocity should not exceed 5 ft./sec. Minimum opening
pressure is less than 0.5 psi.
Valve
Size
Seat
Material
PVC Material
Pressure
Rating
Socket
1-1/2 EPDM 7622-015
150 psi @ 73°F Full Flow (Open)
75 psi Back Pressure (Closed)
2 EPDM 7622-020
Quick-View Swing Check Ball Valve
Selection Chart
Dimensions
FLOW