12 Inch Dual Plate Carbon Steel Wafer Style Check Valve, Viton Seat related_prm-2-stainless-steel-4-bag-multi-filter-housing-4-inch-flange-in-out-150-psi The AX series housings are

The AX series housings are constructed of heavy duty aluminum with built in shutters that automatically open when the fan starts and gravity closes when the fan stops

Locking handle standard

Double Pole

DIN B style head mount transmitter

Can be fitted with PTFE or LDPE tubing in various lengths

12 Inch Dual Plate Carbon Steel Wafer Style Check Valve, Viton Seat related_prm-2-stainless-steel-4-bag-multi-filter-housing-4-inch-flange-in-out-150-psi The AX series housings areDUAL PLATE WAFER STYLE CHECK VALVE; CARBON STEEL; VITON SEAT Wafer Check Valves are ready for immediate shipment for all Landfill Gas and Remediation applications. Low spring pressure requirements: Short flow path and smooth body and disc design creates low pressure drop across valve Ductile Iron Body Epoxy Coated 304 Stainless Steel for all alloy internals Viton Body Seat 4 F to 245 F Temperature Range Spring and Body Bearings: 304 Stainless Steel