Q47F-16C系列固定球閥在石油、天然氣、煤炭和礦石的開采、提煉加工和管道輸送系統中；在化工產品、醫藥和食品生產種；在水電、火電和核電的電力生產系統中；在城市和工業企業的給排水、供熱、和供氣系統中；在農田的排灌系統中；在治金生產系統中得以廣泛的應用，是一種與生產建設、國防建設和人民生活息息相關的重要機械產品。球閥密閉在各類管路系統種用于截斷或接通介質流，使介質按照預定的程序輸送到各個點。特點及優點是：手動部分可采用鋼板壓制的手柄或不銹鋼鑄造的手柄。手柄設有限位結構，在閥門開啟、關閉的位置設定限位，當閥門使用在關鍵裝置上時，限位塊上設有鎖孔可鎖定開關　位置避免誤操作。手柄上有明顯地開和關標識；閥桿采用A182F（1Cr13）整體鍛造并調制處理，硬度達到HB220～250。閥桿通過平鍵或花鍵或方契與手柄連接，通用性強，拆裝方便。閥桿設有防吹出結構；閥門的填料選用編結、柔性石墨密封圈或四氟烯密封圈，使得閥桿在一定的潤滑情況下實現可靠的密封；根據需要，球閥可設計成防靜電結構，在球體與閥桿、閥桿與閥體之間設置導電彈簧，避免靜電打火點燃易燃物質，確保系統安全；密封副形式多樣。根據不同工況可選用軟密封、硬密封、防火閥座等結構；DN150以下為浮球形式，DN200以下為固定球形式；球閥閥座處可設置輔助密封結構，在閥座和閥桿部位加裝注脂閥，緊急情況下可暫時密封，并可根據需要加長閥桿以適宜埋地鋪設得場所。
    主要零件材料及性能
    
    閥體閥桿閥球密封面墊片填料工作溫度適用介質
    WCB1Cr131Cr131Cr13
    司太立合金
    本體材料柔性石墨
    不銹鋼加柔性石墨
    08軟鋼
    F304 F316柔性石墨
    編結石墨-29-425℃水、蒸汽、油品
    WC615CrMo15CrMo-29-425℃
    WC925Cr2MoV25Cr2MoV
    LCB304304-46-354℃
    CF8304304-196-600℃部分酸、堿
    CF3304L304L
    CF8M316316
    CF3M316L316L
    主要連接尺寸及重量
    
    Class 150Lb
    公稱通經DNNPS2"3"4"6"8"10"12"14"16"18"20"
    DN5080100150200250300350400450500
    d15176102152203254305337387438489
    LRF178203229394457533610686762864914
    BW216283305457521559635762838914991
    H1100110130175210274305340395440470
    H16590200270300380420450530560605
    W400700850600600600800800800800800
    E---116116116171171257257257
    F---350350350420420500500500
    WT（KG）245075195280440570800148023502400
    
    Class 300Lb
    公稱通經DNNPS2"3"4"6"8"10"12"14"16"18"20"
    DN5080100150200250300350400450500
    d15176102152203254305337387438489
    LRF178203229394457533610686762864914
    BW216283305457521559635762838914991
    H1100110130175210274305340395440470
    H16590200270300380420450530560605
    W400700850600600600800800800800800
    E---116116116171171257257257
    F---350350350420420500500500
    WT（KG）305895210318440575800184027002890
    
    Class 400Lb
    公稱通經DNNPS2"3"4"6"8"10"12"14"16"18"20"
    DN5080100150200250300350400450500
    d15176102152203254305337387438489
    LRF2923594064955976737628269029781054
    BW2953564104986006767658299059781060
    H111012014018522070310345410440480
    H180200210290320380430450550580630
    W400700850600600600800800800800800
    E---116116116171171257257257
    F---350350350420420500500500
    WT（KG）4172108232345480630870195028003250
    
    Class 600Lb
    公稱通經DNNPS2"3"4"6"8"10"12"14"16"18"20"
    DN5080100150200250300350400450500
    d15176102152203254305337387438489
    LRF29235943255966067383888999110921194
    BW29535643556266467684189299410951200
    RTJ29235643255966027083888999110921194
    H1110120140185220380310345410440480
    H180200210290320600430450550580630
    W4008501000600600116800800800800800
    E---11611535017117115083123
    F---350350480420420580650735
    WT（KG）326412026050070010981520230032503780
    
    Class 900Lb
    公稱通經DNNPS2"3"4"6"8"10"12"14"16"18"20"
    DN5080100150200250300350400450500
    d15176102152203254305324375425473
    LRF-BW3683814576107378389651029113012191334
    RTJ3713844606137408419681038114012191334
    H1135158190200250285350400480530580
    H190200230300375420460530600640700
    W600600600600800800800800800800800
    E1161161161711718383123123180180
    F350350350420420650650735735735735
    WT（KG）508017039064097015502150332045205320
    
    Class 1500Lb
    公稱通經DNNPS2"3"4"6"8"10"12"14"16"20"
    DN5080100150200250300350400500
    d15176102146194241289318362440
    LRF-BW3684705467058329911130125713841664
    RTJ37147354971184110001146127614071686
    H1140160200210260300365420500600
    H200220250320400450490560640790
    W600600600600800800800800800800
    E1161161711718383123123180220
    F350350420420650650735735735735
    WT（KG）559518058092018502150382053206850