沟槽式管件的结构型式和基本尺寸要求

沟槽式管件的结构型式和基本尺寸要求A.1　 三通、四通、90°弯头、45°弯头、22.5°弯头的结构型式和基本尺寸见图C.1和表C.1图C.1 三通、四通、90°弯头、45°弯头、22.5°弯头表C.1 三通、四通、90°弯头、45°弯头、22.5°弯头的基本尺寸 单位为毫米公称尺寸 DN管外径D三通L/mm四通L/mm90°弯头L/mm45°弯头L/mm22.5°弯头L/mmGTGT-LGXGX-LG90EG90E-LG45EG45E-LG23EG23E-L6576.199-99-1285751-8088.9105-105-1336457100101.6120-120-1627073108125-125-1627073125133124164124164173240121125731501591431831431832002701301407920021917822817822825036015018098250273216266216266323435159210111300325254304254304375510188240124A.2　 异径三通、异径四通、异径接头的结构型式和基本尺寸见图C.2和表C.2。

图C.2 异径三通、异径四通、异径接头表C.2 异径三通、异径四通、异径接头尺寸 单位为毫米公称尺寸 DN管外径 D×D1三通、四通异径接头GT GXGT-L GX-LGRCGRC-LL H1 H2L H1 H2LL80×6588.9×76.110586140100×65101.6×76.112093140100×80101.6×88.912093140100×65108×76.112596130100×80108×88.912596130125×65133×76.1124108135125×80133×88.9124108135125×100133×101.6124114150133×108124117150150×65159×76.1143121140150×80159×88.9143121140150×100159×101.6143127 150 159×108143130150150×125159×133143133183177150220200×65219×76.1140151183177160250200×80219×88.9140151183177160250 200×100219×101.6140157183177160250219×108140160183177160250200×125219×133165163228202160250200×150219×159178165228208160250250×65273×76.1140178190250×80273×88.9140178190250×100273×101.6140184190273×108140187190250×125273×133170190266231190280250×150273×159180192266234190280250×200273×219216203266258178280300×65325×76.1145204220300×80325×88.9145204220300×100325×101.6145210220 325×108145213220300×125325×133170216220300×150325×159170218220305300×200325×219170229305279220305300×250325×273254231305291204305A.3　 沟槽卡压异径接头、沟槽卡压异径三通、沟槽卡压异径四通的结构型式和基本尺寸见图C.3和表C.3。

图C.3 沟槽卡压异径三通、沟槽卡压异径四通、沟槽卡压异径接头 单位为毫米公称尺寸 DN管端外径D×D1三通、四通异径接头GTGXGT-LGX-LGRCGRC-LLHLHLL65×5076.1×50.87583133.580×5088.9×50.8868980×6588.9×76.1105114100×50101.6×50.810095162100×65101.6×76.1120120162100×80101.6×88.9120132100×50108×50.811099100×65108×76.1125124100×80108×88.9125135125×50133×50.8105111173.5 125×65133×76.1124136164177236125×80133×88.9124147164190246125×100133×101.6124161133×108124163164212262150×50159×50.8105124200.5 150×65159×76.1143149183190249150×80159×88.9143160183203259150×100159×101.6143174 250.5 159×108143176183225275200×50219×50.8143151200×65219×76.1110151200×80219×88.9138151 200×100219×101.6138157219×108138160228227279250×50273×50.8140150250×65273×76.1140170250×80273×88.9140217250×100273×101.6140231273×108140233323300×50325×50.8170222300×65325×76.1170230300×80325×88.9170243300×100325×101.6170260 325×108170260266279A.4　 沟槽法兰的结构型式与基本尺寸见图C.4和表C.4。

图C.4 沟槽法兰结构图 表C.4 沟槽法兰尺寸的基本尺寸 单位为毫米公称尺寸 DN管外径DPN10PN16PN25LD1D2n-dTD1D2n-dTD1D2n-dT6576.170-1751458-18168088.9731901608-1818100101.673-2101808-18162251908-2218108732101808-18162251908-2218125133762402108-18182602208-2620150159792752408-22182902508-2620200219873302958-221633029512-221835031012-26202502739038535012-221839535512-2620-3003259543540012-221845041012-2620注：DN65、DN80的PN10和PN16法兰采用PN25法兰尺寸，DN100~DN150的PN10法兰采用PN16法兰尺寸。