Gate valve series Name: MSS SP-70 OS & Y Metal Seated Gate Valve Name: MSS-SP-70 OS & Y Metal Seated Gate Valve Name: DIN3352 F4 OS & Y Metal Seated Gate Valve Name: BS3464 NRS Metal Seated Gate Valve Name: DIN3352 F4 NRS Metal Seated Gate Valve Name: DIN3352 F5 NRS Metal Seated Gate Valve Name: Metal Seated Heavy Pattern Vertical Gate Valve Name: Metal Seated Heavy Pattern HorizontalGate Valve Name: AWWA C509 Resilient Seat Gate Valve Name: BS5163 OS & Y Resilient Seat Gate Valve Name: DIN3352 NRS Resilient Seat Gate Valve Name: BS5163 NRS Resilient Seat Gate Valve