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                    總線 :0577-8663 1888 手機:15558715777 張經理

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                    法蘭止回閥

                    法蘭止回閥

                    產品簡介

                    旋啟式止回閥又稱單向閥或逆止閥,其作用是防止管路中的介質倒流。啟閉件靠介質流動和力量自行開啟或關閉,以防止介質倒流的閥門叫止回閥。止回閥屬于自動閥類,主要用于介質單向流動的管道上,只允許介質向一個方向流動,以防止發生事故。本類閥門在管道中一般應當水平安裝。


                    主要性能規范:

                    試驗壓力(MPa)公稱壓力(Mpa)
                    2.54.06.410.0162025
                    殼體強度試驗3.756.09.615.0243038
                    密封試驗(液)2.754.47.011.017.62227.5
                    密封試驗(氣)0.5~0.7
                    試用介質ACPRI
                    水、油品、蒸汽硝酸類醋酸類空氣、水
                    使用溫度(℃)<425<200<200≤550


                    尺寸圖紙:


                    主要外形尺寸和連接尺寸(mm):

                    公稱通徑 (mm)公稱壓力 (Mpa)LHDD1D2D6bff2z-d
                    502.5230160160125100
                    203
                    4-18
                    65290175180145120
                    223
                    8-18
                    80310185195160135
                    223
                    8-18
                    100350220230190160
                    243
                    8-23
                    125400248270220188
                    283
                    8-25
                    150480276300250218
                    303
                    8-25
                    200550350360310278
                    343
                    12-25
                    250650410425370332
                    363
                    12-30
                    300750430485430390
                    404
                    16-30
                    350850518550490448
                    444
                    16-34
                    400950560610550505
                    484
                    16-34
                    5001150618730660610
                    524
                    20-41
                    504.02301691601251008820344-18
                    6529017318014512011022348-18
                    8031018519516013512122348-18
                    1003502202301901601502434.58-23
                    1254002482702201881762834.58-25
                    1504802703002502182043034.58-25
                    2005503423753202822603834.512-30
                    2506504014453853453134234.512-34
                    3007504235104504083644644.516-34
                    350850455570510465422524516-34
                    400950510655585535474584516-41
                    506.43001771751351058826344-23
                    6534019720016013011028348-23
                    8038021221017014012130348-23
                    1004302482502001681503234.58-25
                    1255002962952402021763634.58-30
                    1505503303402802402043834.58-34
                    2006503854053453002604434.512-34
                    2507754454704003523134834.512-41
                    3009004745304604123645444.516-41
                    3501025514595525475422604516-41
                    4001150616670585525474664516-48
                    5010.03002101951451128828344-25
                    6534022722017013811032348-25
                    8038023523018014812134348-25
                    1004302742652101721503834.58-30
                    1255003073102502101764234.58-34
                    1505503473502902502044634.512-34
                    2006504024303603122605434.512-41
                    2507754325004303823136034.512-41
                    3009004845855004423647044.516-48
                    5016.030021021516513218836348-25
                    6534022724519015211044348-30
                    803802352602051681214634.58-30
                    1004302743002402001504834.58-34
                    1505503403903182702056634.512-41
                    2006503744804003452507834.512-48
                    2507754405804854253138834.512-54
                    30090050566557051036410034.516-54

                    H44H(Y、W)-200

                    公稱通徑
                    (mm)

                    尺寸(mm)(JB79)
                    LDD1D2D6bfZ-ФdH
                    50300210160128704038-Ф25120
                    65340260203165974838-Ф30190
                    803802902301901165438-Ф34210
                    1004303602922451386638-Ф41240
                    15055044036030519082312-Ф48343
                    20065053544038024592312-Ф48320
                    250775670572508319110316-Ф48380
                    H44H(Y、W)-250
                    公稱通徑
                    (mm)
                    尺寸(mm)(GB9113.25)
                    LDD1D2D8bb4ff3Z-dH
                    50300215165124953812888-Ф26220
                    653402451901371084112888-Ф30230
                    803802702031681374812888-Ф33245
                    1004303102411941625412888-Ф36280
                    15055039531824821183139.59.512-Ф39340
                    2006504853943182709217111112-Ф45360
                    25077558548337132410817111112-Ф52395
                    30090067557143838112423141416-Ф56478    



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