Specifications
Unidirectional Knife Gate Valve – Series 950
Size Range
NPS 2 to 24 / DN 50 to 600
Body Materials
Carbon Steel (WCB), CF8 Stainless Steel, CF8M Stainless Steel, CF3M Stainless Steel, SAF 2205, SAF 2507
Maximum Allowable Operating Pressure
NPS 2 to 12: 150psi / DN 50 to 300: 10bar
NPS 14 to 24: 75psi / DN 350 to 600: 5bar
NPS 14 to 24: 75psi / DN 350 to 600: 5bar
Stem Materials
304 Stainless Steel
Body Style
Single Piece, Wafer, Semi-Lug
Gate Materials
304, 316, 317 Stainless Steel, SAF 2507, SAF 2205, 17-4PH, Hastelloy® C, Monel®
Seat Material Temperature Range
Buna-N: -34 to 194°F (-36 to 90°C), EPDM: -65 to 248°F (-54 to 120°C) Viton®: -15 to 392°F (-26 to 200°C), PTFE/Viton Back-up Ring: -235 to 392°F (-148 to 200°C)
Design Standard
MSS SP81
Packing Maximum Temperature
PTFE: 500°F (260°C), Impregnated PTFE: 450°F (232°C), PTFE/Buna-N: 194°F (90°C), PTFE/Viton®: 392°F (200°C), PTFE/EPDM: 248°F (120°C)
Testing Standard
MSS SP151
Certifications
ATEX, AWWA C520 (2019), CRN, PED, PE(S)R, TR CU, UA TR
Face to Face
MSS SP81
Actuator Options
Handwheel, Bevel Gear, Pneumatic, Hydraulic, Electric
applications
Wastewater, Power, General Industrial, Chemical, Mining, Food & Beverage, Pulp & Paper
