球閥,蝶閥,截止閥,氣動球閥,氣動角座閥

在截止閥基礎標準、截止閥編制方法標準和截止閥產品標準，采用了大量國際和國外先進標準，提高了我國閥門標準技術水平

截止閥設計標準積極貫徹了閥門行業這一政策，在截止閥基礎標準、截止閥編制方法標準和截止閥產品標準，采用了大量國際和國外先進標準，提高了我國閥門標準技術水平；將我國閥門標準融入國際標準中，爭取國際標準的話語權和主導權。

截止閥種類                          截止閥結構形式                                        采用設計標準 
                                                                                                                   GB/T 12235-2007API 6D
                                                                                                                   ASME B16.34-2004
                                                                                                                    BS 5160-1989
                               1、流道：角式、直通、直流（Y型）三種            BS 1873-1999
                               2、閥體與閥蓋的連接：法蘭                                   MSS-SP-42-1999
鑄鋼截止閥          3、連接端：法蘭或對焊                                           JPI-7S-46-1999
                               4、可以采用多種型式的閥瓣，常規為明桿           JIS B2071-1999
                               結構，少數口徑較小的截止閥采用暗桿                 JIS B2072-1999
                               結構                                                                             JIS B2081-1999
                                                                                                                    JIS B2082-1999 
                                1、流道 
                                JB/T 7746-1995：縮孔
                                BS5352-1999：通孔或縮孔                                    （class150～800）；
                                通孔（class1500）                                                     JB/T 7746-1995
                                JPI-7S-36-1999：通孔                                               BS 5352-1999
鍛鋼截止閥            2、閥體和閥蓋的連接：法蘭、螺紋或焊接           JPI-7S-36-1999
                                3、連接端
                                JB/T 7746-1995：內螺紋、承插焊或法蘭
                                BS5362-1999：內螺紋、承插、法蘭和對焊
                                JPI-7S-36-1999：內螺紋、承插 
                
                 
壓力自密封           1、流道：縮孔
鍛鋼截止閥           2、閥體與閥蓋的連接：內壓自封式
                               3、連接端：對焊、法蘭或承插                                  ASME B16.34-2004 

                                1、流道：角式、直通、直流（Y型）三種
                                2、閥體與閥蓋的連接：法蘭
波紋管密                3、連接端：法蘭或對焊                                             ASME B16.34-2004
封截止閥                4、可以采用多種型式的閥瓣，通常為明桿
                                ，也有少數口徑較小的閥門采用暗桿
                                5、波紋管和填料雙重閥桿密封  

                                 1、流道：角式
                                 2、閥體與閥蓋的連接：螺紋、卡箍或焊接
                                 3、可采用多種型式的閥瓣，對于超高壓閥
角式高壓截止閥     門，通常采用內壓自平衡的閥瓣
                                  4、閥體可采用整體式，兩件式                               GB/T 12235-2007
                                  5、連接端：法蘭或對焊                                           ASME B16.34-2004
襯里截止閥              1、流道：角式、直通、直流（Y型）三種
                                  2、閥體與閥蓋的連接：法蘭
                                  3、連接端：法蘭或對焊
                                  4、襯里材料為橡膠、塑料等                                  ASME B16.34-2004 

雙向三通截止閥      1、流道：雙向三通流道
                                  2、閥體與閥蓋的連接：法蘭
                                  3、連接端：法蘭或對焊                                          ASME B16.34-2004

放料閥                      1、流道：直通式
                                  2、連接端：法蘭
                                  3、閥瓣：上展式或下展式
                                  4、閥體與閥蓋的連接：法蘭                                   ASME B16.34-2004 

三通截止閥              1、流道：三通
                                  2、連接端：法蘭
                                  3、閥瓣：平面密封                                                    ASME B16.34-2004 

水封截止閥              1、流道：直流                                                            GB/T 12235-2007
                                  2、連接端：承插焊、對焊                                         ASME B16.34-2004
                                  3、閥體與閥蓋：均為鍛造，有個鉻鎳鋼或碳鋼     E101-1999
                                  4、閥瓣：錐面密封（DN10～25），平面密封      （DN32～200） 

料漿閥                      1、流道：直流
                                  2、連接端：法蘭
                                  3、閥體結構：分左右閥體中間
                                        夾閥座，左右閥體用螺栓連接
                                  4、閥體與支架連接：采用螺栓連接
                                  5、閥蓋：class150整體鍛造，class300、                     GB/T 12235-2007
                                class400分體式，采用支柱連接                                                                

                                 6、閥瓣：錐面密封成平面密封，或節流
                                        式密封面堆焊硬質合金 

角式節流閥              1、流道：直角
                                  2、連接端：法蘭
                                  3、閥體與閥蓋：為鍛造節流型式，套筒
                                        鉆孔、活塞在套筒中上下移動起到調
                                        節流量作用
                                  4、閥體、閥蓋連接“螺栓連接                                     API 6A-2002 

鈦材截止閥              1、流道：直通
                                  2、閥體、閥蓋、填料箱、閥瓣、閥桿為鈦材
                                  3、閥體、閥蓋連接：螺栓連接
                                  4、閥瓣為平面密封                                                       GB/T 12235-2007 

壓力表截止閥         1、流道：直流、直角、三通
                                 2、閥體與閥蓋的連接：整體鍛造或螺紋
                                 3、連接端：外螺紋、卡箍
                                 4、閥瓣：有錐面和平面兩種                                       ASME B16.34-2004