Use Schedule 80 fittings to maximize the strength of your chemical feed lines and especially where you are using threaded connections, since threading PVC pipe greatly reduces working pressure. Schedule 80 fittings are compatible with Schedule 40 pipe.
Hayward BFA1030TES 3-Inch Gray PVC Thread by Thread BFA Series Bulkhead Fitting with EPDM Standard Flange Gasket : Buy Online at Best Price in KSA - Souq is now : Arts
PP Tank Bushing Threaded Fitting Flange Connection External Thread
Slip Bulkhead Fitting Kit (1/2 Inch)
Reducing Piece, Threaded
Sprayer Fittings Polyethylene & Stainless Steel
COOPLOK Standard Weight Flexible Coupling - C Gasket - 65SF3040
Tank Fittings & Accessories
PP Bulkhead Fittings
Hayward Bfa1005cel 1/2 Pvc Bulkhead Fitting W/epdm Large Flange Gasket Socket X Threaded End Connections
Bulkhead Fittings
Hayward BFA1015CES 1-1/2-Inch Gray PVC Socket by Thread BFA Series Bulkhead Fitting with EPDM Standard Flange Gasket : Swimming Pool Heaters : Patio, Lawn & Garden