Specification.
| Design Standard | BS 1873 |
| Bellows design standards | MSS SP 117 |
| Face to face | ASME B16.10 |
| Flange end | ASME B16.5 |
| Butt welded | ASME B16.25 |
| Pressure Rating | ASME B16.34 |
| Inspection&test | API 598,API 6D |
Features
This product has logical structure, reliable seal, excellent performance and nice design.
The seal surface is build-up welding with Co hard alloy, which is attrition-resistant, corrosion-resistant, has good friction resistant and long life.
The stem is quenched and tempered, and its surface is treated by nitrogen treatment, thus it is has good corrosion resistant and friction resistant.
It has double seal capability, thus is more reliable.
The stem may show the position of lift, thus it is clearer.
The part material, flange and butt weld end dimension may be selected according to current operating conditions and users' requirement, so that meet the requirements of various engineering.
Structural formation: BB-BG-OS&Y
Driving manner: Hand-operated, Electric-actuated
Our Services
Pre-sale service:
1.We have full stock and can deliver within short time.
2.OEM and ODM order are accepted, Any kind of logo printing or design are available.
3.Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.
4.All of our products are produced by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.
After you choose:
1. We will count cheapest shipping cost and make invoice to you at once.
2. Check quality again, then send out to you at 1-2 working day after your payment
3. Email you the tracking no., and help to chase the parcels until it arrive you.
After-sale service:
1.We are very glad that customers give us some suggestion for price and products.
2.If you have any question,please contact us freely by E-mail or Telephone.