900-1500LB锻钢承插焊内螺纹载止阀

900-1500LB锻钢承插焊内螺纹载止阀阀设计制造：按ASME/ANSI B16.34；API602；GB/T12224；GB/T12228；GB/T12235

9001500LB锻钢法兰载止阀

9001500LB锻钢法兰载止阀设计制造：按ASME/ANSI B16.34；API602；GB/T12224；GB/T12228；GB/T12235

900-1500LB锻钢自密封载止阀设计制造：按ASME/ANSI B16.34；API602；GB/T12224；GB/T12228；GB/T12235

900-2500LB锻钢对接焊载止阀设计制造：按ASME/ANSI B16.34；API602

800-1500LB锻钢Y型载止阀阀设计制造：按ASME/ANSI B16.34；API600；GB/T12224；GB/T12228；GB/T12235

150-800LB锻钢承插焊、内螺纹止回阀阀设计制造：按ASME/ANSI B16.34；API602；GB/T12224；GB/T12228；GB/T12235 ；GB/T12236

150-600LB锻钢法兰止回阀设计制造：按ASME/ANSI B16.34；API600；GB/T12224；GB/T12228；GB/T12235 ；GB/T12236

900-1500LB锻钢承插焊、内螺纹止回阀阀设计制造：按ASME/ANSI B16.34；API600；GB/T12224；GB/T12228；GB/T12235 ；GB/T12236

900-2500LB锻钢自密封法兰止回阀设计制造：按ASME/ANSI B16.34；API600；GB/T12224；GB/T12228；GB/T12235

800-1500LB锻钢Y型止回阀设计制造：按ASME/ANSI B16.34；API600；GB/T12224；GB/T12228；GB/T12235