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A.Y. McDonald® ball valve curb stops maintain their low turning torques and bubble-tight 300 psig water pressure rating due to the PTFE coated brass ball that is supported by two blow-out proof EPDM seals. The end piece joint is sealed with an EPDM O-ring and thread locker. McDonald® ball curb stops offer positive shut-off from either direction and are available with a wide variety of end connections or Minneapolis curb box threads. A brass 2 in square operating head that is easily pinned to existing curb stops is available separately.
McDonald® Ball Curb Stop, Minneapolis Pattern, 1-1/4x1x1-1/4 in Nominal, -22 CTS Compression, 300 psi, Media: Water, PTFE Coated Brass Ball, 2.94 in Top to Inlet Center, Brass Body, EPDM Seal Trim, EPDM Softgoods
- PTFE coated brass ball
- Blow-out proof EPDM port seals
- End piece joint sealed with an EPDM O-Ring and thread locker
- Insert stiffeners are required on all flexible plastic connections
- Brass components in contact with potable water conform to ASTM B584, UNS C89833 (latest revision) and identified with NL
- Brass components not in contact with potable water conform to ASTM B62 and ASTM B584, UNS C83600 -85-5-5-5 (latest revision)
- EPDM O-ring
- Body MaterialBRASSEnd Style-22 CTS CompressionNominal Size1-1/4 x 1 x 1-1/4 inSoftgoods MaterialEPDMBall MaterialPTFE Coated BrassManufacturerA.Y. McDonaldManufacturer #5143-109MediaWaterPressure Rating300 psiTop to Inlet Center2.94Trim MaterialEPDM SealTypeMinneapolis Pattern