Description
Design Description:
-Valve Type: Knife Gate Valve.
-Valve Size: 2”-48”
-Pressure Rating: Class 150
– Outside Screw and Yoke
– Bolted Bonnet and Pressure Seal
– Flexible and solid wedge, fully guided
– Welding seat rings or Renewable seat rings
– Rising stem and non-rising stem
– Available with gear operator
– Flange Ends & Buttwelding Ends
– Low torque design, smooth surface stem.
Standards:
| Design Standard | MSS SP-81 |
| Face to Face | MSS SP-81 |
| Flange Ends Dimension | ASME B16.5/ASMEB16.47 |
| Inspection & Test | MSS SP-81 |
| Available with lever, chain, gear, electric, air and hydraulic actuators. | |
Parts & Material List
| Part Name | Carbon Steel to ASTM | Alloy Steel to ASTM | Stainless Steel to ASTM | |||||||||
| 1 | Body | A216 WCB | A352 LCB | A217 WC1 | A217 WC6 | A217 WC9 | A217 C5 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M | |
| 2 | Seat | PTFE or NBR | ||||||||||
| 3 | Knife | A216 WCB | A352 LCB | A217 WC1 | A217 WC6 | A217 WC9 | A217 C5 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M | |
| 4 | Packing | Flexible Graphite +SS, PTFE | ||||||||||
| 5 | Packing Flange | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F304 | A182 F316 | A182 F304L | A182 F316L | |
| 6 | Stem | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F304 | A182 F316 | A182 F304L | A182 F316L | |
| 7 |
Yoke | A216 WCB | A352 LCB | A217 WC1 | A217 WC6 | A217 WC9 | A217 C5 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M | |
| 8 | Stem Nut | Copper Alloy or A439 D2 | ||||||||||
| 9 | Nut | A194 2H | A194 4 | A194 2H | A194 4 | A194 4 | A194 4 | A194 8 | A194 8 | A194 8 | A194 8 | |
| 10 | Hand Wheel | Ductile iron or Carbon steel | ||||||||||
| 11 | Bolt | A193 B7 | A320 L7 | A193 B7 | A193 B16 | A193 B16 | A193 B16 | A193 B8 | A193 B8 | A193 B8 | A193 B8 | |
| 12 | Nut | A194 2H | A194 4 | A194 2H | A194 4 | A194 4 | A194 4 | A194 8 | A194 8 | A194 8 | A194 8 | |
