Item Descriptipn Material of Main Part
1 Desing and Manufacture: DIN 3356 Part Material Standard
2 Face to Face: DIN 3202 Body Cast Steel GS-C25
3 Flange Dimension: DIN 2543-2545 Bonnet Cast Steel GS-C25
4 Butt Welding Dimension: DIN 3239 Disc Stainless Steel/Bronze DIN17224/1705
5 Pressure Temperature Lating: DIN 2401 Stem Stainless Steel/Brass DIN17224/1705
6 Inspection and Test: DIN 3230 Seat Stainless Steel/Bronze DIN17224/1705
DIMENTIONS
PN DN Face to Face Flange Dia Flange Pitch Flange Hole PN DN Face to Face Flange Dia Flange Pitch Flange Hole
L(mm) D(mm) C(mm) n*d(mm) L(mm) D(mm) C(mm) n*d(mm)
PN6 15 130 80 55 4× 10 PN10 15 130 95 65 4× 14
20 150 90 65 4× 10 20 150 105 75 4× 14
25 160 100 75 4× 12 25 160 115 85 4× 14
32 180 120 90 4× 12 32 180 140 100 4× 18
40 200 130 100 4× 12 40 200 150 110 4× 18
50 230 140 110 4× 12 50 230 165 125 4× 18
65 290 160 130 4× 12 65 290 185 145 4× 18
80 310 190 150 4× 12 80 310 200 160 8× 18
100 350 210 170 8× 16 100 350 220 180 8× 18
125 400 240 200 8× 16 125 400 250 210 8× 18
150 480 265 225 8× 16 150 480 285 240 8× 23
175 540 295 255 8× 18 175 540 315 270 8× 23
200 600 320 280 8× 18 200 600 340 295 8× 23
250 730 375 335 12× 18 250 730 395 350 12× 23
300 850 440 395 12× 22 300 850 445 400 12× 23
350 980 490 445 12× 22 350 980 505 460 16× 23
400 1100 540 495 16× 22 400 1100 565 515 16× 27
450 1200 595 550 16× 22 450 1200 615 565 20× 27
500 1350 645 600 20× 22 500 1350 670 620 20× 27
Blue Sky, as a professional marine machinery manufacturer, established in 1989 and focus on valves,
Air vent head, fittings etc more than 25 years in Qingdao, China.
Our mainly products were globe valve, angle valve, gate valve, SDNR valve, check valve, hose valve, storm valve, butterfly valve, air vent head, strainer tec, according to DIN, JIS, ANSI, API, BS, GB, CB, CBM, AS standard. Material is including cast iron, ductile iron, cast steel, cast bronze, forged brass, stainless steel, forge steel, and can be extensively used in marine, petroleum, chemical, metallurgical, electric power, architectural, agriculture field.
We are here to provide you with safe and reliable goods. Quality was always our main priority, our quality
Control program make sure that no defect or poor workmanship will be supplied. In these years we had
Got ISO Certificate, Design Certificate, Works certificate, Foundry certificate, Type Approval certificate,
API 6D from marine classification society&industrial field. So we can provide more faster and conveniently
Certificate service for customer requirement, such as ABS, BV, NK, KR, CCS, DNV, LR, GL, RINA Certificate etc.
