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Thermoplastic Valves Product Guide & Engineering Specifictions
True Union Ball Check Valve (Regular Style)
Made in the U.S.A. Suitable for Oil-Free air handling to 25 psi, not for distribution of compressed air or gas Page 736
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Sample Engineering Specification
All thermoplastic check valves shall be True Union Ball
type constructed from PVC Type I, ASTM D 1784 Cell
Classification 12454 or CPVC Type IV, ASTM D 1784
Cell Classification 23447. All O-rings shall be EPDM or
FKM. All valve union nuts shall have Buttress threads. All
valve components shall be replaceable. All EPDM valves
shall be certified by NSF International for use in potable
water service. All 1/2" - 2" valves shall be pressure rated
at 235 psi and all 2-1/2" - 6" and all flanged valves shall be
pressure rated at 150 psi for water at 73°F, as manufactured
by Spears
®
Manufacturing Company.
Features – PVC, CPVC
Flow tested design provides quick response with positive
seal for prevention of system back flow in industrial and
chemical processing applications. Available in IPS Sizes
1/2"- 4" with socket, threaded or flanged end connectors.
6" Venturied valve (4" valve with 4 x 6 adapters) available
with either socket or flanged end connection. Also available
with metric 20mm - 110mm or 1/2" - 4" BSP thread end
connectors. Note: Seal carrier is NOT blocked (for Safe-T-
Blocked
®
seal carrier design, see True Union 2000 Industrial
Ball Check Valve).
• Chemical & Corrosion Resistant PVC or CPVC
Construction
• Strong, Buttress Thread Union Nuts
• Fully Serviceable, Replaceable Components
• Uses Standard O-ring Seat
• EPDM or FKM O-rings
• Sizes 1/2" - 2" Pressure Rated to 235 psi @ 73°F,
Sizes 2-1/2" - 6" and all Flanged Pressure Rated to
150 psi @ 73°F
• Suitable for Either Horizontal or Vertical Installations
• EPDM valves NSF
®
Certified for Potable Water use
• Suitable for Vacuum Service
• Assembled with Silicone-Free, Water Soluble
Lubricants
• Manufactured to ASTM F 1970
Quick-View Valve Selection Chart
1: For CPVC valves, add the letter “C” to part numbers listed (e.g., 2239-005C).
2: Consists of 4" True Union Ball Valve with two 4" x 6" Adapters.
Ball Check Foot Valves
Spears
®
Ball Check Valves easily convert to foot valves
utilizing optional Foot Valve Screen adapters found in Ball
Valve Accessories section.
Valve
Size
O-ring
Material
PVC Part Number
1
Pressure
Rating
Threaded Socket Flanged
1/2
EPDM 2229-005 included 2223-005
235 psi
Non-Shock
Water
@ 73°F
(Flanged
150 psi
Non-Shock)
Water
@ 73°F
FKM 2239-005 included 2233-005
3/4
EPDM 2229-007 included 2223-007
FKM 2239-007 included 2233-007
1
EPDM 2229-010 included 2223-010
FKM 2239-010 included 2233-010
1-1/4
EPDM 2229-012 included 2223-012
FKM 2239-012 included 2233-012
1-1/2
EPDM 2229-015 included 2223-015
FKM 2239-015 included 2233-015
2
EPDM 2229-020 included 2223-020
FKM 2239-020 included 2233-020
2-1/2
EPDM 2221-025 2222-025 2223-025
150 psi
Non-Shock
Water
@ 73°F
FKM 2231-025 2232-025 2233-025
3
EPDM 2221-030 2222-030 2223-030
FKM 2231-030 2232-030 2233-030
4
EPDM 2221-040 2222-040 2223-040
FKM 2231-040 2232-040 2233-040
6
2
venturied
EPDM --- 2222-060 2223-060
FKM --- 2232-060 2333-060