Threaded Internal Valves
SKU: 180857
ME990SA-3DF-175 Internal Valve Pneumatic 175GPM 3" D/Flange
Intended for use on bobtail delivery trucks, transport trucks and large storage tanks with 3” flanged connections in directional or bi-directional flow applications. Provides both manual shut-down and excess flow closing in the event the of the piping being seperated from the valve. Can be equipped with manual latch, pneumatic or rotary actuator open/ closing devices. All valve models are equipped with a break-away feature in the cast body which permits the pump or piping to shear off in the event of side impact, leaving the valve poppet intact and protecting the tank from catastrophic product loss.
- Durable steel body with cadmium surface plating
- All stainless internal component construction
- One piece threaded packing gland
- Precision machined hard coated stem & stem guide
- Fully retained nitrile seat disc
- Largest variety of excess flow closing values
- Corrosion resistant sleeved flange bolt holes
- Xylan coated corrosion resistant mounting studs
- Roller cam actuation
- Industry’s fastest bleed time
- Removable data plate
- Industry’s easiest valve to service • Standard construction utilizes nitrile seals
- Available with Neoprene, FKM, or FFKM seals
- Available with 316 Stainless Steel bodies
- UL LISTED for LPG & NH3 service
- Rulon™ bearings on stem and stub shafts

