Model 988

Model 988

Pneumatic Control Valve that can be utilized in general and chemical service. The body/trim comes in a variety of material selection that includes: WCB/316L SST, CF3M/316L SST, or CW-12MW/Hast. Model 988 comes in two different seat constructions: metal and (Class IV) and a composition seat (Class VI). This model is available in various end connections such as raised face flanged, socket weld and NPT.

Brand: Cashco
Category: Linear Control Valves
Materials Body – CS, 316L SST, NI-Mo-Cr, CW- 12MW Trim- 316L SST, HC-22
Maximum CV 0.25 to 50
Valve Size ¾”, 1”, 1-½”, 2”
Face-to-face ISA – 75.08.07 (long)
Pressure Drop TFE seat- up to 1480 psid (102 bard) Metal seat- 740 psid (51 bard)
End Connections NPT, SW, separable flanges for Classes 150#, 300#, and PN40
Temperature Range -20°F to +750°F (-28.8°C to +398°C)

High-grade trim components that can withstand corrosive chemicals (316L SST or Hastelloy C) and are rated for NACE service

Flow-to-open (flow under) design increases rangeability and stability

Trim can be stellated in metal seated design for flashing or partial cavitating liquid services

Available in standard and internal/external live-loaded V-ring packing designs

Recommended for flashing or partial cavitating liquid services or where extended time periods of On/Off or Low-flow (<10% open) operation occur and good shut-off is required

CRN number is available