產品名稱:防爆(bao)氣動三片(pian)式對焊球閥Q661F
更新日期:2023-11-28
訪問次數:1791
產品特點:防(fang)(fang)爆(bao)氣(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)三(san)片(pian)(pian)(pian)式(shi)(shi)對(dui)(dui)焊(han)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)Q661F防(fang)(fang)爆(bao)單作(zuo)(zuo)用氣(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)不(bu)(bu)銹鋼(gang)(gang)三(san)片(pian)(pian)(pian)式(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)Q661PPL防(fang)(fang)爆(bao)單作(zuo)(zuo)用氣(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)不(bu)(bu)銹鋼(gang)(gang)三(san)片(pian)(pian)(pian)式(shi)(shi)焊(han)接(jie)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)/故障自動(dong)(dong)(dong)(dong)(dong)復位防(fang)(fang)爆(bao)氣(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)不(bu)(bu)銹鋼(gang)(gang)三(san)片(pian)(pian)(pian)式(shi)(shi)對(dui)(dui)焊(han)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)/防(fang)(fang)爆(bao)調節型(xing)氣(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)不(bu)(bu)銹鋼(gang)(gang)三(san)片(pian)(pian)(pian)式(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)/氣(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)不(bu)(bu)銹鋼(gang)(gang)三(san)片(pian)(pian)(pian)式(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)/氣(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)對(dui)(dui)焊(han)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)/氣(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)焊(han)接(jie)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)/氣(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)三(san)片(pian)(pian)(pian)式(shi)(shi)對(dui)(dui)焊(han)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)/氣(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)三(san)片(pian)(pian)(pian)式(shi)(shi)焊(han)接(jie)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)/氣(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)開(kai)關(guan)型(xing)三(san)片(pian)(pian)(pian)式(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)/防(fang)(fang)爆(bao)氣(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)不(bu)(bu)銹鋼(gang)(gang)三(san)片(pian)(pian)(pian)式(shi)(shi)切斷球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)采用AT系列(lie)氣(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)執(zhi)行器和防(fang)(fang)爆(bao)氣(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)三(san)聯件(jian)及(ji)三(san)片(pian)(pian)(pian)式(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)組成,適用于開(kai)關(guan)切斷場合
Q661PPL防爆氣動不銹鋼三片式球閥Q661F
產品簡介:
防爆氣動三片式對焊球閥Q661F防爆單作用氣動不銹鋼三片式球閥Q661PPL防爆單作用氣動不銹鋼三片式焊接球閥/故障自動復位防爆氣動不銹鋼三片式對焊球閥/防爆調節型氣動不銹鋼三片式球閥/防爆氣動不銹鋼三片式內螺紋球閥Q611F氣動三片式球閥/氣動不銹鋼三片式球閥/氣動對焊球閥/氣動焊接球閥/氣動三片式對焊球閥/氣動三片式焊接球閥/氣動開關型三片式球閥/氣動絲口球閥/氣動內螺紋球閥/氣動絲扣球閥/防爆氣動不銹鋼三片式切斷球閥采用(yong)(yong)(yong)(yong)AT系(xi)列氣(qi)(qi)動(dong)執行(xing)器(qi)和(he)防(fang)(fang)爆氣(qi)(qi)動(dong)三聯(lian)件(jian)及(ji)三片(pian)式球閥(fa)(fa)(fa)組成,適用(yong)(yong)(yong)(yong)于開(kai)(kai)關切斷或(huo)調節的(de)場合。防(fang)(fang)爆氣(qi)(qi)動(dong)球閥(fa)(fa)(fa)配(pei)以防(fang)(fang)爆行(xing)程限位開(kai)(kai)關、防(fang)(fang)爆電磁(ci)閥(fa)(fa)(fa)、減壓閥(fa)(fa)(fa)及(ji)0.4-0.7MPa氣(qi)(qi)源可(ke)實(shi)現開(kai)(kai)關操作,并送出二對無源觸點(dian)信號指(zhi)示閥(fa)(fa)(fa)門的(de)開(kai)(kai)關。執行(xing)器(qi)分單作用(yong)(yong)(yong)(yong)和(he)雙作用(yong)(yong)(yong)(yong)兩種型號。單作用(yong)(yong)(yong)(yong)式的(de)優(you)點(dian)是一旦動(dong)力源發生(sheng)故障將按控制系(xi)統的(de)要求自動(dong)處于開(kai)(kai)啟或(huo)關閉的(de)位置。防(fang)(fang)爆氣(qi)(qi)動(dong)球閥(fa)(fa)(fa)密封(feng)性能優(you)良,流通(tong)能力大,結(jie)構(gou)簡單,使(shi)用(yong)(yong)(yong)(yong)壽命長(chang),便于維修。配(pei)用(yong)(yong)(yong)(yong)的(de)執行(xing)機構(gou)具有結(jie)構(gou)簡單,緊湊,性能好,輸出力矩大等特點(dian)。
性能特點:
三片式球閥(fa)的(de)閥(fa)體鑄造結構合理、造型美(mei)觀。閥(fa)座(zuo)采用彈性(xing)密(mi)封(feng)(feng)結構,密(mi)封(feng)(feng)可靠(kao),啟閉(bi)輕松。閥(fa)桿采用倒密(mi)封(feng)(feng)的(de)下裝式結構,閥(fa)腔(qiang)異常升壓時(shi),閥(fa)桿不會(hui)被沖出。三片式球閥(fa)體積(ji)小(xiao)(xiao),由三部分(fen)閥(fa)殼(ke)組(zu)成(cheng),通過四(si)只(zhi)(zhi)較(jiao)長螺(luo)(luo)栓從兩端夾住(zhu)中(zhong)(zhong)間(jian)閥(fa)體與閥(fa)球而成(cheng)。其優(you)點(dian)是(shi)維(wei)修拆(chai)卸時(shi)不用拆(chai)卸管路螺(luo)(luo)紋(wen),直接拆(chai)卸四(si)只(zhi)(zhi)螺(luo)(luo)栓,閥(fa)體中(zhong)(zhong)間(jian)部分(fen)即可取(qu)出。適用于(yu)輕工機械體積(ji)小(xiao)(xiao)空間(jian)窄的(de)場(chang)合。具有體積(ji)小(xiao)(xiao)、配套(tao)簡單、流通能力大(da),特(te)別適合于(yu)介質是(shi)粘稠,含顆粒,纖維(wei)性(xing)質的(de)場(chang)合。廣泛(fan)應用于(yu)食(shi)品、環保、輕工、石油、造紙、化工、教學(xue)和(he)科研設(she)備、電力等(deng)行業的(de)工業自動控制系(xi)統中(zhong)(zhong)。
工作原理:
氣(qi)(qi)動(dong)三片式球(qiu)閥(fa)是由(you)氣(qi)(qi)動(dong)執(zhi)行(xing)器(qi)與三片式球(qiu)閥(fa)組成,利用(yong)壓(ya)縮空氣(qi)(qi)作(zuo)(zuo)為能源,接(jie)受(shou)氣(qi)(qi)動(dong)信號或電氣(qi)(qi)定位器(qi)等(deng)附件(jian)信號進行(xing)工作(zuo)(zuo),具有(you)結構簡(jian)單(dan)、操(cao)作(zuo)(zuo)方(fang)便等(deng)優點。提高了(le)使用(yong)壽(shou)命(ming),氣(qi)(qi)缸內輸入氣(qi)(qi)壓(ya)后,作(zuo)(zuo)用(yong)于活塞(sai)上(shang)產生一定的推力(li),使齒輪(lun)型輸出在活塞(sai)推動(dong)下,使齒輪(lun)輸出軸于旋轉,帶(dai)動(dong)閥(fa)軸轉動(dong),從而使球(qiu)閥(fa)球(qiu)體在閥(fa)內隨著(zhu)轉動(dong),廣(guang)泛應用(yong)于生產過程自動(dong)控制系統中(zhong)的調節或開關(guan)操(cao)作(zuo)(zuo)場合。
產品特點:
2、可選配限位開關,空氣過濾減壓閥、手輪機構,電磁閥。
3、氣動執行器采用鋁合金擠出工藝制作,表面采用硬化處理,外觀美觀,有利于安裝,運輸。
4、采用精密壓鑄工藝制作的鋁合金活塞,保證了雙活塞精確的對稱,并配合高質量的O型環和導向閥,可的供很高的扭矩輸入與氣壓比,雙導軌和活塞設計保證了輸出扭矩的恒定。
5、活塞導向帶采用大接觸面積,自潤滑設計高強度材料保證了低摩擦,正常使用壽命可達100萬次。
6、閥體設計,鑄造具有結構合理,能達到氣泡級密封,啟閉力矩小,使用壽命長。
7、閥體與閥桿之間帶防靜電裝置,閥桿防爆出裝置設計,可適用多種惡劣場合選型。造型美觀,質量可靠等優點。
技術參數:
公稱通徑(jing)DN(mm) | 10 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 |
公稱壓力(MPa) | PN1.6、2.5、4.0、6.4 MPa | |||||||||
閥體形式 | 三片式精鑄閥體 | |||||||||
連接形式 | 螺紋式、焊接式 | |||||||||
閥芯形式 | "O"型球形閥芯 | |||||||||
密封填料 | PTFE、PPL、柔性石墨(mo) | |||||||||
流量特性 | 近似快開型 | |||||||||
動作范圍 | 0~90° | |||||||||
泄露量Q | 按GB/T4213-92,小于額定KV0.01% (軟(ruan)密封(feng):零(ling)泄漏) | |||||||||
基本誤差 | 帶(dai)定位器:小于全行程的±2% | |||||||||
死區 | 帶定位器:小于(yu)全行(xing)程的2% | |||||||||
可調范圍 | 250:1 | |||||||||
配置執行機構 | GT、AT單雙作用氣動執行(xing)器 | |||||||||
控制方式 | 開關兩位控制、4-20mA模擬量控制 |
氣動執行器參數:
執行器型號 | GT/AT單雙作用氣動執行器 |
供氣壓力 | 0.4~0.7MPa |
氣源接口 | G1/4"、G1/8"、G3/8"、G1/2" |
環境溫度 | -30~+70℃ |
作用形式 | 單作用執行機構:氣關式(B)--失氣時閥位開(FO);氣開式(K)--失氣時閥位關(FC) |
可配附件 | 定位器(qi)、電(dian)磁(ci)閥(fa)(fa)、空氣過濾減(jian)壓器(qi)、保位閥(fa)(fa)、行程開(kai)關、閥(fa)(fa)位傳送器(qi)、手輪機(ji)構(gou)等 |
采用(yong)(yong)新型GA/AT系列氣動執行器(qi),有雙作(zuo)用(yong)(yong)式(shi)和單(dan)作(zuo)用(yong)(yong)式(shi)(彈簧復位),齒(chi)輪齒(chi)條傳動,安(an)全可(ke)靠。
1、齒輪式雙活塞,輸出力矩大,體積小。
2、氣缸選用鋁合金材料,重量輕、外形美觀。
3、可在頂部、底部安裝手動操作機構。
4、齒條式連接可調節開啟角度、額定流量。
5、執行器可選帶電訊號反饋指示及各類附件以實現自動化操作。
6、IS05211標準連接為產品的安裝更換提供了方便。
7、兩端調節螺釘可使標準產品在0°和90°有±4°的可調范圍。確保與閥門的同步精度。
單作用氣動執行器和雙作用氣動執行器的區別:
氣動球閥中單作用和雙作用指的是氣動球閥所配氣動執行器可分為單作用和雙作用。其區別在于:單作用的氣缸內有彈簧,而雙作用內沒有。因此單作用氣動執行器的價格比雙作用氣動執行器的價格要高。
單作(zuo)用(yong)氣(qi)動(dong)(dong)執(zhi)行器(qi)一般分為常(chang)開型和常(chang)閉(bi)(bi)型(常(chang)開型:通(tong)氣(qi)關(guan)(guan),斷(duan)(duan)氣(qi)開;常(chang)閉(bi)(bi)型:通(tong)氣(qi)開,斷(duan)(duan)氣(qi)關(guan)(guan)),也就(jiu)(jiu)是說,在(zai)安裝之(zhi)前有一個設(she)定(ding),設(she)定(ding)其為開或者(zhe)關(guan)(guan),如(ru)果(guo)是常(chang)開的(de)(de),那就(jiu)(jiu)是在(zai)通(tong)氣(qi)的(de)(de)情(qing)況(kuang)下(xia)氣(qi)動(dong)(dong)執(zhi)行器(qi)關(guan)(guan)閉(bi)(bi)閥(fa)門,如(ru)果(guo)氣(qi)源(yuan)出現故(gu)障或者(zhe)突然停電,單作(zuo)用(yong)氣(qi)動(dong)(dong)執(zhi)行器(qi)靠彈簧(huang)自(zi)動(dong)(dong)復位為開的(de)(de)狀(zhuang)(zhuang)態(tai),也就(jiu)(jiu)是說會回到它的(de)(de)設(she)定(ding)狀(zhuang)(zhuang)態(tai),設(she)定(ding)為關(guan)(guan),則會回到關(guan)(guan)的(de)(de)狀(zhuang)(zhuang)態(tai),一般在(zai)危險的(de)(de)工(gong)況(kuang)中使(shi)用(yong)較(jiao)多,比(bi)如(ru)輸(shu)送可燃氣(qi)體或可燃液體,在(zai)失去氣(qi)源(yuan)又出現緊急(ji)情(qing)況(kuang)的(de)(de)時(shi)候,單作(zuo)用(yong)氣(qi)動(dong)(dong)執(zhi)行機(ji)構能自(zi)動(dong)(dong)復位把危險降低,而雙作(zuo)用(yong)就(jiu)(jiu)不能復位。
雙作(zuo)用氣動執行器(qi)在(zai)通(tong)氣的(de)(de)(de)情況下氣動執行器(qi)打開閥門,當要關(guan)閉閥門的(de)(de)(de)時候另外一邊通(tong)氣才能(neng)關(guan)閉,雙作(zuo)用氣動執行器(qi)是靠氣缸工(gong)作(zuo)復位的(de)(de)(de),在(zai)失(shi)去氣源的(de)(de)(de)時候只能(neng)保持(chi)原位。
附件的選項:
根據不同控制(zhi)和要(yao)求可選(xuan)擇下列附(fu)件:
切斷型附件:單電控電磁閥、雙電控電磁閥、限位開關回訊器。
調節型(xing)附件:電氣(qi)定位(wei)器、氣(qi)動定位(wei)器、電氣(qi)轉換器。
氣(qi)源處(chu)理附件(jian):空氣(qi)過濾(lv)減壓(ya)閥、氣(qi)源處(chu)理三聯件(jian)。
手動(dong)機構:HVSD手操機構
配套氣動執行器及氣動附件功能和用途(可選):
1、雙作用執行器:控制閥門的開啟和關閉。
2、單作用執行器(彈簧復位):在電路氣路切斷或者有故障時自動關閉閥門。
3、單控電磁閥:供電時閥門打開或者關閉,斷電時閥門關閉或者打開(可提供防爆型)。
4、雙控電磁閥:一個線圈通電時閥門打開,另一個線圈通電時閥門關閉,有記憶功能(可提供防爆型)。
5、限位開關回信器:遠距離傳送閥門開和關位置信號(可提供防爆型)。
6、電氣定位器:根據電流信號(4-20mA)的大小對閥門的介質流量調節控制(可提供防爆型)。
7、氣動定位器:根據氣壓信號(標準0.02-0.1MPa)的大小對閥門的介質流量調節控制。
8、電氣轉換器:將電流信號轉換成氣壓信號,與氣動定位器配套使用(可提供防爆型)。
9、氣源處理三聯件:包括空氣減壓閥、過濾器、油霧器、對氣源穩定、清潔、運動部件起潤滑作用。
10、手動(dong)操(cao)作:自(zi)動(dong)控制在不正常情況下可以(yi)手動(dong)操(cao)作閥門的啟閉(bi)。
單電控電磁閥和雙電控電磁閥的區別:
單電控:即(ji)只有一個電(dian)(dian)(dian)磁(ci)線(xian)圈(quan)(quan),一般(ban)用(yong)在(zai)2位3通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)磁(ci)閥,線(xian)圈(quan)(quan)電(dian)(dian)(dian)壓等級一般(ban)采用(yong)DC24V、AC220V等。 兩(liang)位三(san)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)磁(ci)閥分(fen)為(wei)常(chang)閉型和常(chang)開(kai)型兩(liang)種(zhong),常(chang)閉型指線(xian)圈(quan)(quan)沒(mei)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)時氣(qi)路是(shi)斷(duan)的,常(chang)開(kai)型指線(xian)圈(quan)(quan)沒(mei)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)時氣(qi)路是(shi)通(tong)(tong)(tong)(tong)的。 常(chang)閉型兩(liang)位三(san)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)磁(ci)閥動作原理(li):給線(xian)圈(quan)(quan)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian),氣(qi)路接通(tong)(tong)(tong)(tong),線(xian)圈(quan)(quan)一旦(dan)斷(duan)電(dian)(dian)(dian),氣(qi)路就(jiu)會斷(duan)開(kai),這(zhe)相當于(yu)“點(dian)動"。 常(chang)開(kai)型兩(liang)位三(san)通(tong)(tong)(tong)(tong)單(dan)電(dian)(dian)(dian)控(kong)電(dian)(dian)(dian)磁(ci)閥動作原理(li):給線(xian)圈(quan)(quan)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian),氣(qi)路斷(duan)開(kai),線(xian)圈(quan)(quan)一旦(dan)斷(duan)電(dian)(dian)(dian),氣(qi)路就(jiu)會接通(tong)(tong)(tong)(tong),這(zhe)也是(shi)“點(dian)動"。
雙電控:即有(you)兩(liang)個電(dian)(dian)(dian)(dian)磁線(xian)(xian)圈(quan),一般(ban)用在兩(liang)位五通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)磁閥,兩(liang)位五通(tong)(tong)(tong)雙電(dian)(dian)(dian)(dian)控電(dian)(dian)(dian)(dian)磁閥動(dong)作(zuo)(zuo)原理:給(gei)(gei)(gei)正(zheng)(zheng)動(dong)作(zuo)(zuo)線(xian)(xian)圈(quan)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian),則正(zheng)(zheng)動(dong)作(zuo)(zuo)氣路(lu)接(jie)通(tong)(tong)(tong)(正(zheng)(zheng)動(dong)作(zuo)(zuo)出氣孔有(you)氣),即使給(gei)(gei)(gei)正(zheng)(zheng)動(dong)作(zuo)(zuo)線(xian)(xian)圈(quan)斷電(dian)(dian)(dian)(dian)后正(zheng)(zheng)動(dong)作(zuo)(zuo)氣路(lu)仍(reng)(reng)然是(shi)接(jie)通(tong)(tong)(tong)的,將會一直維(wei)持到(dao)(dao)給(gei)(gei)(gei)反(fan)動(dong)作(zuo)(zuo)線(xian)(xian)圈(quan)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)為止(zhi)。 給(gei)(gei)(gei)反(fan)動(dong)作(zuo)(zuo)線(xian)(xian)圈(quan)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian),則反(fan)動(dong)作(zuo)(zuo)氣路(lu)接(jie)通(tong)(tong)(tong)(反(fan)動(dong)作(zuo)(zuo)出氣孔有(you)氣),即使給(gei)(gei)(gei)反(fan)動(dong)作(zuo)(zuo)線(xian)(xian)圈(quan)斷電(dian)(dian)(dian)(dian)后反(fan)動(dong)作(zuo)(zuo)氣路(lu)仍(reng)(reng)然是(shi)接(jie)通(tong)(tong)(tong)的,將會一直維(wei)持到(dao)(dao)給(gei)(gei)(gei)正(zheng)(zheng)動(dong)作(zuo)(zuo)線(xian)(xian)圈(quan)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)為止(zhi)。這相當于(yu)“自鎖"。 基于(yu)兩(liang)位五通(tong)(tong)(tong)雙電(dian)(dian)(dian)(dian)控電(dian)(dian)(dian)(dian)磁閥的這種特性,在設(she)計機電(dian)(dian)(dian)(dian)控制回路(lu)或編制PLC程(cheng)序(xu)的時候,可以讓(rang)電(dian)(dian)(dian)(dian)磁閥線(xian)(xian)圈(quan)動(dong)作(zuo)(zuo)1~2秒就(jiu)可以了,這樣可以保(bao)護電(dian)(dian)(dian)(dian)磁閥線(xian)(xian)圈(quan)不容易損壞(huai)。
零件材料:
零件名稱 | 材料名稱 | |||
閥體 | WCB | 304(CF8) | 316(CF8M) | 316L(CF3M) |
球體 | 2Cr13+氮化處理 | 304 | 316 | 316L |
閥桿 | 2Cr13 | 304 | 316 | 316L |
密封圈 | 增強聚四氟乙(yi)烯(PPL)、對(dui)位聚苯、不銹(xiu)鋼密封圈 | |||
適用介質 | 水、氣體、蒸汽、油品等 | 硝酸等腐蝕性介質 | 醋酸等腐蝕介質 | 尿素等腐蝕性介質 |
外形結構圖:
主要外形及連接尺寸:
公稱通徑 | 內螺紋連接 | |||||
mm | inch | D | L | H | G | A |
10 | 3/8 | 10 | 60 | 157 | 3/8″ | 140 |
15 | 1/2 | 15 | 75 | 168 | 1/2″ | 140 |
20 | 3/4 | 20 | 80 | 170 | 3/4″ | 140 |
25 | 1 | 25 | 90 | 180 | 1″ | 140 |
32 | 11/4 | 32 | 110 | 185 | 11/4″ | 164 |
40 | 11/2 | 38 | 125 | 200 | 11/2″ | 164 |
50 | 2 | 50 | 144 | 210 | 2″ | 190 |
65 | 21/2 | 64 | 186 | 230 | 21/2″ | 210 |
80 | 3 | 78 | 206 | 250 | 3″ | 247 |
100 | 4 | 98 | 240 | 270 | 4″ | 247 |
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