Item Descriptipn Material of Main Part
1 Desing and Manufacture: DIN 3356 Part Material Standard
2 Face to Face: DIN 3202 Body Cast Iron DIN 1691 GG25
3 Flange Dimension: DIN 2543-2545 Bonnet Cast Iron DIN 1691 GG25
4 Butt Welding Dimension: DIN 3239 Disc Stainless Steel/Bronze DIN17224/1705
5 Pressure Temperature Lating: DIN 2401 Hinger Stainless Steel/Brass DIN17224/1705
6 Inspection and Test: DIN 3230 Seat Stainless Steel/Bronze DIN17224/1705
DIMENTIONS
PN DN Face to face Flange diam. Flange Pitch Flange Hole PN DN Face to face Flange diam. Flange Pitch Flange Hole
L(mm) D(mm) C(mm) n*d(mm) L(mm) D(mm) C(mm) n*d(mm)
PN25 15 130 95 65 4× 14 PN40 15 130 95 65 4× 14
20 150 105 75 4× 14 20 150 105 75 4× 14
25 160 115 85 4× 14 25 160 115 85 4× 14
32 180 140 100 4× 18 32 180 140 100 4× 18
40 200 150 110 4× 18 40 200 150 110 4× 18
50 230 165 125 4× 18 50 230 165 125 4× 18
65 290 185 145 8× 18 65 290 185 145 8× 18
80 310 200 160 8× 18 80 310 200 160 8× 18
100 350 235 190 8× 22 100 350 235 190 8× 22
125 400 270 220 8× 26 125 400 270 220 8× 25
150 480 300 250 8× 26 150 480 300 250 8× 25
200 600 360 310 12× 26 200 600 375 320 12× 30
250 730 425 370 12× 30 250 730 450 385 12× 33
300 850 485 430 16× 30 300 850 515 450 16× 33
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.
