| PORTER Flow Control Valves - Specifications |
Peak performance
in low flow liquid and gas applications
Porter Metering Valves are designed for extremely precise control in low flow
gas and liquid applications. They are available as valve cartridges, integrally
mounted in flowmeters and in-line valve assemblies with straight or angle patterned
bodies. All in-line valves assemblies have 1/8" female NPT inlet and outlet
ports.
Standard Cartridge
Valves
Porter’s Standard Cartridge Valves (SCV) are economical, multi-purpose
valve assemblies. Available in 3 needle tapers, they are ideal for a wide
spectrum of low flow applications.

Capacities for STANDARD CARTRIDGE CONTROL VALVES
Porter Standard Cartridge Valves are available with the exclusive Torque Guard Stop Mechanism. Torque Guard eliminates stem damage caused by over tightening of the valve at shut-off.
The Torque Guard System consists of a specially designed knob with a stop pin pressed into an aluminum knob insert and a machined detail on the packing nut that engages the stop pin and prevents clockwise rotation beyond a predetermined point. During final test, the knob is adjusted so that the stop pin and packing nut engage precisely at shut-off. This combination eliminates the possibility of over tightening and the resultant stem damage.
| Needle Size (SCV) | 1 | 2 | 3 | |
| MAX FLOW |
cc/min. - Helium | 25000 | 35000 | 55000 |
| cc/min. - Water | 700 | 1000 | 1200 | |
Note: Capacities measured with water or helium at 10 psig supply pressure and atmospheric pressure downstream. Capacities vary for different fluids and operating conditions.
RATINGS: Maximum Operating
| Temperature °F | Pressure PSIG | |
| Brass Model | 160°F | 250 |
| Stainless Steel Model | 250°F | 250 |
Connections - 1/8" Female NPT (integral)
Dimensions - Refer to PDF Specification Sheet
Materials of Construction
| Model | Body | Valve Pin | Valve Pin Holder |
O-Rings | Orifice |
| SCV Brass | Nickel Plated Brass |
316 SS |
316 SS | Buna N | Brass |
| SCV Stainless Steel |
316 SS | 316 SS | 316 SS | Viton | 316 SS |