Series 3U Unions
OPW Engineered Systems Series Hiltap 3U Unions are an all purpose light weight union designed for leak proof operation as it cycles through a wide range of temperatures. The design offers a non-restrictive flow with no variation in pipe diameter for most sizes. The reusable metal-to-metal sealing components further enhance the seal as temperature and pressure changes are encountered.
- Safety Ring ensures safe venting of residual pressure
- Designed and tested to ASME B31.3
- Sizes: 1/4” to 2”
- Materials: 316 Stainless Steel & Carbon Steel
- Compact and available in any combination of threaded, butt weld or socket weld ends