Norgren Flow Controls - Manual (Page 30)

FIT-3-30 Littleton, CO USA Phone 303-794-2611 www.norgren.com
Function Fittings and Flow Controls
● Enables air to be exhausted quickly from air
reservoirs and cylinders
● Allows higher cylinder speeds to be achieved
● Simple, compact design and construction
● Reliable operation
T70 Series Quick Exhaust Valves
Technical Data
Fluid:
Compressed air, filtered, lubricated and non-lubricated
Operation:
Diaphragm
Mounting:
Line mounted
Port Size:
Female Thread
(Inlet, outlet and exhaust ports)
NPT ISO G
1⁄8 NPT T70A1800 G1⁄8 T70C1800
1⁄4 NPT T70A2800 G1⁄4 T70C2800
3⁄8 NPT T70A3800 G3⁄8 T70C3800
1⁄2 NPT T70A4800 G1⁄2 T70C4800
3/4 NPT C/511*
* Note: C/511 has 1/2" NPT inlet port and 3/4" NPT outlet ports.
Operating Pressure:
7 - 145 psi (0.5 - 10 bar)
Operating Temperature:
0° to 175°F (-20°** to +80°C)
**Consult our Technical Service for use below 35°F (2˚C)
Materials
Zinc or aluminum alloy body and cover, nitrile seals (PU seal on C/511).
Ordering Information
To order, quote model number from page FIT-3-21,
e.g. T70A2800 for the NPT ported version. This
range replaces the C/510 and S/510 models.
1
2
3
Quick Exhaust Valve
Typical Fill and Exhaust Times (seconds)
Model Port Volume Fill Exhaust
size time time
T70A1800 1/8'' NPT 150 cc 0.036 0.021
T70A2800 1/4'' NPT 150 cc 0.023 0.017
T70A3800 3/8'' NPT 1500 cc 0.110 0.080
T70A4800 1/2'' NPT 15,000 cc 0.460 0.480
C/511 3/4'' NPT 15,000 cc 0.480 0.250
Note: Fill time is 0 to 80 psig (0 to 5.5 bar), and exhaust
time is 101 to 20 psig (7.0 to 1.4 bar)