- Monday May 20,2013
- Home
- About Y&B
- News & Events
- Products
- Download
- Developing Y&B
Products
- Ball valve
- Gate valve
- Check valve
- Globe valve
- Cryogenic valve
- Self pressure valve
- Bellow sealed valve
- Wellhead equipment
- Forged steel y-type filter
Profile
Describes the design and product range: Design basis: ASMEB16.34/ API608/DIN3357 , EN12516GB/T1224 GB/T12237
Face-to-face dimension: ASME B16.10/DIN3202/GB/T12221
Flanged ends: ASME B16.5/DIN2501/GB/T9113.1
Butt-welding ends: ASME B16.25/
Socket welding ends: ASME B16.11/
Wall thickness: ASME B16.34/ EN12516
Fireproof: API607 9ISO10479
Inspection and test: API6D/API598 /EN12266/GB/T13927
Product range: 1/2″～10″, DN15～DN250
Materials of main parts: WCB, CF8, CF8M, WC6, WC
Seat materials: PTFE , RTFE or metal hard seal
Design features:
Design of fireproof structure and obtaining the certification
ISO5211 platform design is adopted for the convenuence of installing the actuator
Antistatic design between stem, body and ball
Anti-blow-out stem design
The pressure balancing hole is provided on the steel ball
The low platform products adopt packing gland type middle shaft
The double-layer stem packing and double butterfly spring structure of the high platform products play a self-compensation function for the middle shaft seal
The body is provided with a device for cleaning the valve cavity
According to the structural forms, the valves include one-piece type, two-piece type and three-piece type flanged ball valves, wafer flanged ball valves, and some butt-welding and socket welding ball valves
