10
Sample Engineering Specification
All thermoplastic ball valves shall be True Union 2000 Industrial type
manufactured to ASTM F 1970 and constructed from PVC Type I, ASTM
D 1784 Cell Classification 12454 or CPVC Type IV, ASTM D1784 Cell
Classification 23447. All O-rings shall be EPDM or Viton
®
. All valves shall
have Safe-T-Shear
®
stem with double O-ring stem seals. All valve handles
shall be polypropylene with built-in lockout mechanism. All valve union nuts
shall have Buttress threads. All seal carriers shall be Safe-T-Blocked
®
. All
valve components shall be replaceable. All valves shall be certified by NSF
International for use in potable water service. All 1/2" through 2" valves shall
be pressure rated to 235 psi, all 2-1/2" through 6", 8" Venturied and all flanged
valves shall be pressure rated to 150 psi for water at 73° F.
•Chemical & Corrosion Resistant PVC or
CPVC Construction
• Also Available in Spears®LXT™ High Purity,
Low Extractable PVC Material
• Interchangeable with all True Union 2000
Valves Mates with Union 2000 Pipe Unions
• High Impact Polypropylene Handle
• Built-in Handle Lockout
• Schedule 80 Full-Bore Design
• Strong, Buttress Thread Union Nuts
• Spears®Double O-ring Safe-T-Shear®
Stem Design
• EPDM or Viton®O-rings
• Spears®Safe-T-Blocked®Seal Carrier
• Self Adjusting PTFE Floating Seat Design
• Fully Serviceable, Replaceable Components
• Sizes 1/2" - 2" pressure rated to 235 psi @
73°F. Sizes 2-1/2" - 6", 8" Venturied and all
Flanged to 150 psi @ 73°F.
• NSF Certified for Potable Water use
• Suitable for Vacuum Service
• Assembled with Silicone-Free
, Water
Soluble Lubricants
• Manufactured to ASTM F 1970
Optional Vented Ball Valves
Same valve with special ball vent design for
sodium hypochlorite (bleach) and other chemical
applications where entrapped fluids may form
caustic crystalline residues and pressure build up
from gases developed. Valve has a 1/8” vent hole
in ball to equalize internal fluid pressures. Install
valve with ball vent on the pressure (upstream)
side when in closed position.
Optional Accessories*
•
Retro-Fit End Connector Sets for Valve
Replacement
• Split-Nut Repair Kits for Union Nut Replacement
• Supplemental End Connectors
• Round Safety Handles
• Handle Lockout Ring
• Stem Extension Kits
• Square Operator Nuts
• Multi Mount Valve/Actuation
Mounting Kits
TRUE UNION 2000 INDUSTRIAL BALL VALVES
Quick-View Valve Selection Chart
1) For CPVC, add the letter "C" following the size code of part number listed (e.g.,1829-005C, 1821-005CSR)
2) For Special Ball Vent Design, add the letter "V" before the dash separator (e.g.,1829V-005, 1821V-005CSR)
3) 8" Venturied Valves are 6" ball valves fitted with 6x8 end connector adapters.
* See “BALL VALVE ACCESSORIES” section for details of
individual products.
Valve
Size
O-ring
Material
PVC Part Number 1Pressure
Rating
Socket Threaded SR Threaded Flanged Spigot
1/2 EPDM 1829-005 included 1821-005SR 1823-005 1827-005
235 psi
Non-Shock
Water
@ 73° F
(Flanged
150 psi
Non-Shock)
Water
@ 73° F
Viton®1839-005 included 1831-005SR 1833-005 1837-005
3/4 EPDM 1829-007 included 1821-007SR 1823-007 1827-007
Viton®1839-007 included 1831-007SR 1833-007 1837-007
1EPDM 1829-010 included 1821-010SR 1823-010 1827-010
Viton®1839-010 included 1831-010SR 1833-010 1837-010
1-1/4 EPDM 1829-012 included 1821-012SR 1823-012 1827-012
Viton®1839-012 included 1831-012SR 1833-012 1837-012
1-1/2 EPDM 1829-015 included 1821-015SR 1823-015 1827-015
Viton®1839-015 included 1831-015SR 1833-015 1837-015
2EPDM 1829-020 included 1821-020SR 1823-020 1827-020
Viton®1839-020 included 1831-020SR 1833-020 1837-020
2-1/2 EPDM 1822-025 1821-025 1821-025SR 1823-025 1827-025
150 psi
Non-Shock
Water
@ 73° F
Viton®1832-025 1831-025 1831-025SR 1833-025 1837-025
3EPDM 1822-030 1821-030 1821-030SR 1823-030 1827-030
Viton®1832-030 1831-030 1831-030SR 1833-030 1837-030
4EPDM 1822-040 1821-040 1821-040SR 1823-040 1827-040
Viton®1832-040 1831-040 1831-040SR 1833-040 1837-040
6EPDM 1822-060 1821-060 1821-060SR 1823-060 1827-060
Viton®1832-060 1831-060 1831-060SR 1833-060 1837-060
83EPDM 1822-080 — — 1823-080 —
Viton®1832-080 — — 1833-080 —
Features – PVC, CPVC
This multi-featured, space saving quarter-turn shutoff valve is designed to meet the
demands of today's industrial and chemical processing applications. PVC and CPVC
valves are available in IPS sizes 1/2" through 6" with socket/regular thread, SR (Special
Reinforced) thread, flanged or spigot end connectors and 8" Venturied valve with socket or
flanged ends. Also available in metric socket and BSP thread sizes 1/2" through 2".
SSI #49 15106 MODULATING BALL VALVE IW SERVICE
06/13/2014
Page 8 of 148
