1/2" Horizontal Swing Check Valve Max working temperature 90 deg C Working pressure 10-16bar Parallel threaded ends to ISO 228 Seven sizes available in this section 1/2" VCH Horizontal Swing Check Valve 3/4" VCH Horizontal Swing Check Valve 1" VCH Horizontal Swing Check Valve 1 1/2" VCH Horizontal Swing Check Valve 2" VCH Horizontal Swing Check Valve 2 1/2" VCH Horizontal Swing Check Valve   - IMPORTANT NOTE, MOST PLUMBING PRODUCTS ARE STATED AS BSP IMPERIAL THREAD MEASUREMENT WHICH MEANS THAT ACTUAL DIAMETER OF THE THREAD SIZE IS APPROXIMATELY 1/4 INCH LARGER THAN THAT STATED IN BSP TERMS. FOR EXAMPLE THIS 1/2 INCH BSP THREAD ACTUALLY MEASURES APPROXIMATELY 3/4 INCH IN DIAMETER