Butterfly valve 1) Material: WCB, WCC 2) Precess: casting and precision maching 3) Usage: butterfly valve part

OEM Butterfly valve Details:

1) This product is among our casting parts. Our annual export for only this part reaches 100,00 pieces which equals to about 35 ton of casting.

2) Our skills for producing this kind of casting are very mature, including material control, quality inspection. We provide material certificate with heat for each batch as well as inspection report.

3) Usage: it is mainly used as a part of butterfly valve.

4) Material for this part is WCC and WCB.

5) Other casting materials are as follows:

Table of casting material:

Ductile iron
European standard	German standard
EN 1563	DIN 1693
EN-GJS-350-22-LT	GGG-35.3
EN-GJS-400-18-LT	GGG-40.3
EN-GJS-400-15	GGG-40
EN-GJS-450-10
EN-GJS-500-7	GGG-50
EN-GJS-600-3	GGG-60
EN-GJS-700-2	GGG-70
EN-GJS-800-2	GGG-80
Compacted graphite iron
Grey cast iron
European standard	German standard
EN 1561	DIN 1691
EN-GJL-200	GG-20
EN-GJL-250	GG-25
EN-GJL-300	GG-30
EN-GJL-350	GG-35

Dimensions are as follows:

Size	DN50~DN2400
Design Standard	EN593
End flange	EN 1092, ANSI B16.1
Face to face	EN 558-1 series13/20
Top flange	ISO 5211
Normal pressure	PN1.0/1.6MPa(150/200PSI)
Series 13
Body	HT200 A126 Class B QT450-10 A536 65-45-12
Disc	QT450-10 A536 65-45-12
Stem	304 416 420 431
Seat	NBR, EPDM,
Series 20
Body	CI, DI, WCB
Disc	DI, ALB, CF8M, 1.4529
Stem	416, 420, 431
Seat	NBR, EPDM
Suitable temperature	-10°C~80°C
Suitable medium	fresh water, sewage, sea water, food etc.

Process Flow Chart:

Our Slogan: regarding the quality as the factory's life

We are: 

1. Real factory with about 20 year’s history and are licensed to export, providing competitive price. 

2.  Factory with about 200 workers and 40 seniors, equipped with CNC milling and turning machines, CNC Lathes, etc.

3.  Quality Certificates:  ISO9001-2000, ISO9001-2008 Quality Assurance System, the USA UL.

4.  Products covering hydraulic cylinders, pistons, flanges, valves parts, casting and forging parts, engineering goods, etc.

5.  Quality control following 3 phases of thorough inspection, first-off inspection, during-processing inspection, and 100% inspection one by one before dispatching.

6.   MOQ: 10pcs. Production capacity: 100000pcs/month

7.  The way of payment: 30% deposit by T/T in advance, balance T/T before shipment, L/C is negotiable

8.  Delivery Time: about 20 days by the sea transportation. 

9.  The sea port of the shipment: Beilun Ningbo Zhejiang province.