Technical data

Technical Data
312185S 29
Technical Data
Dimensions
Maximum Fluid Pressure 255179-255182: 3000 psi (20.7 MPa, 207 bar)
255183: 2000 psi (13.8 MPa, 138 bar)
Maximum Cylinder Air Pressure 120 psi (0.84 MPa, 8.4 bar)
Air Inlets (open (I) and close (O) ports) 1/8 npt(f)
Fluid Inlets 9/16 straight thread o-ring boss “A” and “B”
Fluid Outlet 7/8-9 bell outlet
Fluid Viscosity Range
Soft Seats 1-1 million cps
Hard Seats 20-1 million cps
Fluid Section Sealing Isolation chamber with zerk fittings and dual seals.
Divorced Air Cylinder Double acting, buna-n o-rings
Weight
255179 / 255180 (1:1 valves) 1.45 lb (0.66 kg)
255181 / 255182 (10:1 valves) 1.50 lb (0.68 kg)
255206 (pneumatic handle) 0.85 lb (0.39 kg)
255208 (electric handle) 0.90 lb (0.41 kg)
255249 (electric lever) 0.75 lb (0.34 kg)
Wetted Parts
Stainless Steel Valve 303 sst, 17-4 SS, UHMWPE, PEEK, Chemical Resistant
o-rings. 440C SS and C2 carbide with cobalt binder (hard
seat only)
TI9977A
TI10654A
0.73 in. (18.5 mm)
0.28 in. (7.1 mm)
5.64 in. (143.3 mm)
6.64 in. (168.7 mm)
1.06 in. (26.9 mm)
4.29 in. (109 mm)
4.60 in. (116.8 mm)
0.73 in. (18.5 mm)
M5 x 0.8 mounting holes (2)
M5 x 0.8 mounting
holes (4)