Product Information Seal: Buna-N Select a Product Part NumberMaterialAdapter SizeCoupler Size 3015-DA-AL356T6 Aluminum1-1/2" (40mm)3" (75mm) 2010-DA-SS316 Stainless Steel1" (25mm)2" (50mm) 1015-DA-AL356T6 Aluminum1-1/2" (40mm)1" (25mm) 1015-DA-SS316 Stainless Steel1-1/2" (40mm)1" (25mm) 3020-DA-AL356T6 Aluminum2" (50mm)3" (75mm) 2030-DA-SS316 Stainless Steel3" (75mm)2" (50mm) 2010-DA-AL356T6 Aluminum1" (25mm)2" (50mm) 2025-DA-AL356T6 Aluminum2-1/2" (65mm)2" (50mm) 2025-DA-SS316 Stainless Steel2-1/2" (65mm)2" (50mm) 3025-DA-AL356T6 Aluminum2-1/2" (65mm)3" (75mm) 3015-DA-SS316 Stainless Steel1-1/2" (40mm)3" (75mm) 3060-DA-SS316 Stainless Steel6" (150mm)3" (75mm) 3025-DA-SS316 Stainless Steel2-1/2" (65mm)3" (75mm) 2530-DA-SS316 Stainless Steel3" (75mm)2-1/2" (65mm) 3060-DA-AL356T6 Aluminum6" (150mm)3" (75mm) 4025-DA-AL356T6 Aluminum2-1/2" (65mm)4" (100mm) 4020-DA-SS316 Stainless Steel2" (50mm)4" (100mm) 4030-DA-AL356T6 Aluminum3" (75mm)4" (100mm) 1520-DA-AL356T6 Aluminum2" (50mm)1-1/2" (40mm) 4025-DA-SS316 Stainless Steel2-1/2" (65mm)4" (100mm) 4020-DA-AL356T6 Aluminum2" (50mm)4" (100mm) 3020-DA-BRBrass2" (50mm)3" (75mm) 2015-DA-AL356T6 Aluminum1-1/2" (40mm)2" (50mm) 4030-DA-SS316 Stainless Steel3" (75mm)4" (100mm) 3020-DA-MIUnplated Malleable Iron2" (50mm)3" (75mm) 1510-DA-SS316 Stainless Steel1" (25mm)1-1/2" (40mm) 4060-DA-SS316 Stainless Steel6" (150mm)4" (100mm) 4030-DA-BRBrass3" (75mm)4" (100mm) 4030-DA-MIUnplated Malleable Iron3" (75mm)4" (100mm) 1520-DA-SS316 Stainless Steel2" (50mm)1-1/2" (40mm) 3040-DA-BRBrass4" (100mm)3" (75mm) 3040-DA-SS316 Stainless Steel4" (100mm)3" (75mm) 5030-DA-SS316 Stainless Steel3" (75mm)5" (125mm) 5040-DA-AL356T6 Aluminum4" (100mm)5" (125mm) 5040-DA-SS316 Stainless Steel4" (100mm)5" (125mm) 5060-DA-AL356T6 Aluminum6" (150mm)5" (125mm) 4050-DA-AL356T6 Aluminum5" (125mm)4" (100mm) 2030-DA-AL356T6 Aluminum3" (75mm)2" (50mm) 2040-DA-AL356T6 Aluminum4" (100mm)2" (50mm) 3040-DA-AL356T6 Aluminum4" (100mm)3" (75mm) 4060-DA-AL356T6 Aluminum6" (150mm)4" (100mm) 3020-DA-SS316 Stainless Steel2" (50mm)3" (75mm) 5060-DA-SS316 Stainless Steel6" (150mm)5" (125mm) 1510DAAL356T6 Aluminum1" (25mm)1-1/2" (40mm) 2040-DA-SS316 Stainless Steel4" (100mm)2" (50mm) 2015-DA-SS316 Stainless Steel1-1/2" (40mm)2" (50mm) 2520-DA-SS316 Stainless Steel2" (50mm)2-1/2" (65mm) 5030-DA-AL356T6 Aluminum3" (75mm)5" (125mm)