The Rectangular Manhole Cover, Ductile Pipe, F4 Gate Valve produced by our company are manufactured in accordance with international standards, and the quality is absolutely guaranteed. For a long time, we have continued to participate in social welfare while operating and developing our business. We have formed a competitive system with "idea, theory, talent, technology, culture and system" as the core. We strive to provide customers with the highest quality products, the most cost-effective solutions, and the fastest response speed.
Double Flange Butterfly Valve
| Standard | EN593/ ISO5752 /BS5155/AWWA C504 Flange drilling is according to DIN2501, BS4504, ANSI B16.1 |
| Working pressure | 10bar/16bar/25bar |
| Testing pressure： | |
| Shell | 15bar/24bar/37.5bar |
| Seal | 11bar/17.6bar/27.5bar |
| Type | Double Flange Eccentric, Double Flange Concentric |
| Material： | |
| Body | DI/CI /Carbon Steel/Stainless Steel |
| Disc | DI/Stainless steel 304/316,AL-Bronze |
| Shaft | Stainless steel410/416/420 |
| Seat | EPDM/NBR |
| Coating | Internal and external with fusion bonded epoxy coating min250μm |
Double Flange Butterfly Valve
No | PART NAME | MATERIAL |
| 1 | Gear box | Carbon steel/ stainless steel/cast iron |
2 | Support | Carbon steel/ stainless steel/cast iron |
3 | Body | Cast iron/ductile iron/ stainless steel/carbon steel |
4 | Disc | AI-Bronze/ monel/CF8M/WCB/ductile iron |
5 | Bolts | Carbon steel/stainless steel |
6 | Retalner | Carbon steel/stainless steel |
7 | Rubber seat | EPDM/PEFE/buna/hypalon/viton/neoprene |
8 | Seat retainer | Carbon steel/ stainless steel/cast iron |
We are deeply aware that to achieve our vision we must rely on our high-tech content Ductile Cast Iron Stainless Steel Seat Water Wafer Lug Type Double Flange Wafer Lug Butterfly Valve Suppliers and our professional services. We earnestly implement quality responsibilities, strictly implement the requirements of quality system standards, and meet customers' expectations for products. We have been ready to share our knowledge of advertising worldwide and recommend you suitable products at most aggressive costs.
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