Boshart - Combination Check Valve with Ball Valve

The Boshart PVC Combination Check Valve with Ball Valve provides shut-off control and reverse-flow prevention in one compact wastewater valve assembly. Designed for sump, sewage, effluent and grinder-pump discharge systems, it combines a full-port PVC ball valve with a gravity-closing swing check valve. The angled check-valve seat minimizes flow reversal and helps reduce damaging hydraulic shock or water hammer when the pump stops. Its union-style connections provide convenient access for installation, inspection and maintenance, while corrosion-resistant non-metallic construction supports dependable service in demanding wastewater environments. Available in 1-1/2 in and 2 in sizes, this valve is ideal where installation space is limited.

Cross References

• Boshart — 17SCBV-15TU: 1-1/2 in true-union standard swing combination valve
• Boshart — 17SCBV-20TU: 2 in true-union standard swing combination valve
• Boshart — 17QSCBV-15TU: 1-1/2 in quiet, spring-assisted true-union version

Usage

The Boshart combination valve is installed in the discharge piping of sump, sewage, effluent or grinder pumps. The swing check section automatically prevents wastewater from draining backward into the basin after the pump stops, while the integrated ball valve manually isolates the discharge line during pump or valve servicing. It may be installed vertically when pumping liquids without solids. For liquids containing solids or semi-solids, Boshart requires horizontal installation, with up to a 45-degree angle permitted and the marked side of the valve facing upward. The flow-direction arrow must always point away from the pump.