- Straight pattern body design
- Outside Screw and Yoke
- Bolted Bonnet
- Rising stem
- Loose disc, choice of plug or ball
- Renewable seat ring or Body seat ring
A OPERATION: hand wheel, bevel gear, motorized actuator and pneumatic actuator available for specific application.
B PACKING LOAD: standard bolted packing load or live load with Belleville springs for application requiring frequent cycling o with high temperature and pressure variations.
C OS&Y: outside screw & yoke, yoke integral with bonnet for smaller size, split yoke for bigger size.
D BONNET: standard bonnet bolted, welded bonnet for option.
E END CONNECTION: flange (RF, RTJ) o Butt-weld
F YOKE SLEEVE: Furnished in aluminum bronze to reduce operating torque. Most size furnished with ball bearing yoke sleeves.
G PACKING: lantern ring and double packing stack is available for critical service.
H BODY-BONNET JOINT: flat face gasket joint for 150lb valves; male and female joint for 300lb & 600lb; ring joint for 900lb & higher
I DISC: Plug disc is stem-guided for all sizes. Disc has a differential angle front the seat to provide linear contact for maximum sealing. The bottom of v-port disc is guided by the body seat ring for maximum disc stability in throttling applications; the soft Teflon ring is excellent for lower temperature service where tight shut off required.
J SEAT RING: Separate heavy duty, full ported rings for easy maintenance. Screwed or welded connection into body.