bronze check valve 1.body material:B62, B61,B148, 2.trim:B62, B61,B148,monel 400 or other material 3. ... size range: 1/2" to 16" bronze check valve features:Product Name: B61 check ValveTRIM ... :B62, B61,B148,monel 400 or other materialSize range: 1/2" to 16" bronze valve in petroleum, natural gas, coal and ore ...