Description
The PT Coupling STA-LOK® PF20CSL is a 2″ cam and groove coupler x pipe flange with STA-LOK® positive locking. STA-LOK® is PT Coupling’s positive locking feature: a carbon steel or stainless steel hitch pin clip (or a padlock) keeps the cam arms from opening under vibration, pulsing, wear or when handling hazardous materials, helping prevent spills.
Key Features
- Positive locking with hitch pin clips; a padlock can be used instead
- Meets the Coast Guard ASTM 1122-87 specification for quick disconnect couplers, per PT Coupling
- HB cam arms are brass; HBS cam arms are 300 series stainless steel
- Stainless steel fittings are 316 stainless steel
- Made in the U.S.A. by PT Coupling
Specifications
- Connection: 2″ coupler x pipe flange
- Pipe flange: Bolt pattern conforms to ANSI B16.5 Class 150, per PT Coupling
- Materials and availability: Contact Hockman-Lewis to confirm
- Gasket: Buna-N standard; other gasket compounds available. Contact Hockman-Lewis for details.
- Max. working pressure (PT Coupling, metal cam & groove, under 100°F): 250 PSI for 1/2″–2″, 200 PSI for 2-1/2″–3″, 150 PSI for 4″, 75 PSI for 5″–6″, 50 PSI for 8″–12″. Ratings are reduced at higher temperatures. Contact Hockman-Lewis to confirm the rating for your size and operating temperature.
PT Coupling does not recommend cam and groove fittings for compressed gas service, including air and steam.
PT Coupling does not currently list this item on its website. Contact Hockman-Lewis to confirm materials, sizes and availability before ordering.
