Ductile iron pipe te tana quality control standard thar ber ber te

Cement mortar chu epoxy coating hmanga khuh a ni. Zinc spray hmangin hnawih la, asphalt anticorrosion paint hmangin hnawih rawh. Metal zinc spraying thickness chu 130g/
1.1 Technical lama thil tulte .
1.2 Hman dan tur tehfung .
1.GB / T13295-2013 Ductile iron pipe, tui leh gas pipeline atana hman tur pipe leh accessories;
2. Pipe fittings cement mortar, spray galvanized asphalt, ISO4179 leh ISO8179 standard te chu a inang vek a ni.
3. A chhunga khaw chhunga epoxy sealing layer chuan ISO 16132-2004 Standard a tlin a ni.
4. Self-anchor pipe hian GB / T13295-2013, Ductile Iron Pipe, Pipe Fittings leh Accessories for Water and Gas Pipeline te a zawm a ni.
5. Test dan, inspection dan, a lian leh te, a pianzia, a rit zawng leh a phal loh deviation, marking, packaging, quality certificate, transportation, storage leh technical requirements te chu GB / T13295-2013 standard angin kalpui tur a ni.
1.3 Mechanical property 1.1.
Tubes te hi centrifugal casting process hmanga siam a ni a, a hnuaia mi ang hian mechanical property hmanga tihtawp a ngai a ni:
Tensile chakna (MPA) .
Yield chakna (MPA) 1.1.
Harsatna (HBW) .
420 aia tam emaw, a tlukpui emaw .
300 aia tam emaw, a tlukpui emaw .
230 aia tlem emaw a aia tlem emaw .
1.4 Dimensions, a pianzia leh a rit zawng .
1. Interface hian sliding-in T-type interface leh self-anchor interface a hmang a, a size hian GB / T13295-2013 standard-a mamawh a phuhruk a ni.
2. A sei zawng L{{1}mm, leh pressure grade te chu K9 an ni.
3. Cast iron pipe tawp lam chu axis nen a inmil tur a ni.
4. Pipe specification leh allowable deviation chuan GB / T13295-2013-a thu awmte chu a zawm tur a ni.
5. Weight Acceptance: Ram pum huapa standard chhut dan chuan standard quality tolerance-a allowable error chu ± 3% a ni.
1.5 Quality mamawh .
1. Ductile iron pipe chu ferrite matrix-a ductile iron atanga siam tur a ni. Tissue chhungah hian spherical graphite engemaw zat a awm tur a ni.
2. Hydrostatic test, tensile strength leh elongation te chu GB / T13295-2013 standard-a tarlan angin a zawm tur a ni.
3. Surface hardness chu 230 hbw aia tam a ni tur a ni lo.
4. A chhung leh a pawn lam leilung hian hmanna tikhawtlai thei tur chhiatna a nei tur a ni lo.
5. Cast iron pipe chu cement mortar hmanga line a ni a, cement mortar-a epoxy sealing layer-a lined a ni a, zinc spray asphalt coating pawn lam, coating hmain, a chhung leh pawn lam chu a hmin tur a ni a, rust awm lovin, iron sheet a ni tur a ni. Coating zawhah chuan a chhung leh a pawn lam chu a hmin tur a ni a, a coating chu a inang tlang tur a ni a, adhere adhesion a ni a, khaw lum leh khaw vawt avanga thil pangngai lo a ni lo. Cement mortar lining pipe roughness chu 0.013 aia tlem a ni a, epoxy sealing layer nei cement mortar lining roughness chu 0.008 aia tlem a ni. Metal zinc spraying thickness chu 130g/
6. Socket pawn lam chu GB / T13295-2013 hmangin spray rawh.
7. Ductile iron pipe leh pipe fittings outlet tin atan, leh spare amount chu rubber ring zawng zawng atanga 1%-ah pek tur a ni a, quotation chu bid price zawng zawngah telh tur a ni.
8. Pipe hi lining cement mortar leh epoxy coating hmanga siam a ni a, a pawn lam bang chu asphalt hmanga khuh a ni a, lining cement chuan ISO4179 standard a tlin a, a pawn lam asphalt chuan ISO8179 standard a tlin a, lining epoxy coating chu ISO