巴基斯坦采购需求：球阀、蝶阀、隔膜阀、止回阀、底阀、截止阀

Please provide a quotation for the requested valve items, focusing on those from the specified makes. Include specifications for various ball and foot valves, ensuring compliance with the required pressure ratings and color options. All PVC valves should be in grey, while stainless steel valves require a Class 150 rating. Be sure to attach conformity certificates and any other necessary documents. Looking forward to your prompt response.