Section Code 2390 : Dish. Washing machines in this section will indicate the category of backflow prevention built into each appliance. The location and the use of the washing machine will determine any additional backflow protection that may be required.
Back To Directory SectionsRange of hood type and undercounter commercial dishwashing machines, flow is controlled by a solenoid valve which incorporates plastic flow regulator and discharges via a Type ‘AB’ air gap (suitable for backflow protection against fluid category 5). The products are supplied with a dual layer PVC supply hose (grey outer/black inner). Maximum working pressure 3.0 Bar. Cold supply only.
Range of front loading dishwashing machines (with a water softener - RA models, or without - R models). Flow is controlled by a solenoid valve, which incorporates a flow restrictor (5.5 lpm) and a strainer, and discharges via a type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5). The water softener (where supplied) is located after the ‘AB’ air gap. The product is supplied with a grey nylon braided EPDM lined flexible hose assembly with ¾” captive nut end connections incorporating EPDM washers. Maximum working pressure 4.0 bar. Maximum operating temperature 60°C.
Range of hood type or undercounter commercial dishwashers. Flow is controlled by a solenoid valve which discharges via a type ‘AA’ air gap. Maximum working pressure 10.0 Bar. Cold water supply only.
Range of commercial dish washing machines. Flow is controlled by a solenoid valve and discharged via a type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5). The product is supplied with stainless steel or nylon braided EPDM inlet hose. Maximum working pressure 4.0 bar. Cold water use only.
Frront loading dishwashing machines without water softener. Flow is controlled by a solenoid valve, which incorporates a flow restrictor (5.5 lpm) and a strainer, and discharges via a type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5). The product is supplied with a grey nylon braided EPDM lined flexible hose assembly with ¾” captive nut end connections incorporating EPDM washers. Maximum working pressure 4.0 bar. Maximum operating temperature 60°C.
Range of commercial front loading dishwashing machines with flow controlled by solenoid and discharged via type AA air gap arrangement. The products are supplied with a grey coloured PVC supply hose. Maximum working pressure 4.0 bar. Cold water supply only.
Range of commercial conveyor type dishwashers with the flow controlled by a solenoid valve and discharged via three type AB air gaps (pre-wash, rinse and wash) (verified by test - suitable for backflow protection against fluid category 5). The products are supplied with a brass bodied ‘Y’-pattern strainer, brass adaptors ¾”x¾” (M)x(M) and (F)x(F) and dual layer PVC inlet hoes(s) (grey outer/black inner) and EPDM washers. The DR*11**** model has two solenoids and requires three inlet hoses and also includes a brass tee-piece to connect them ¾”x¾”x¾” (M). Maximum working pressure 6.0 bar. Maximum operating temperature 60ºC.
Range of commercial dish washing machines. Flow is controlled by a solenoid valve and discharged via a type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5). The product is supplied with stainless steel or nylon braided EPDM inlet hose. Maximum working pressure 4.0 bar. Cold water use only.
Range of commercial front loading dishwashing machines with flow controlled by solenoid and discharged via type AA air gap arrangement. The products are supplied with a grey coloured PVC supply hose. Maximum working pressure 4.0 bar. Cold water supply only.
Range of commercial dishwashers with flow controlled by a solenoid valve and discharged via a type AB air gap (verified by test - suitable for backflow protection against fluid category 5). Maximum working pressure 4.0 bar. Cold water use only.
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