RF butterfly valve： ZERO LEAKAGE seat tightness according to API 598 RESILIENT seat standard.
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Brief Introduction:
RF butterfly valve： ZERO LEAKAGE seat tightness according to API 598 RESILIENT seat standard.
The disc seal, evenly compressed around its circumference, produces a wedging effect which flexes the seal ring and reacts like a spring. The resilient seal assures “zero leakage” of liquids or gases to API 598 resilient seat standard. Resiliency in the seal allows disc movement during thermal cycles while retaining tight shutoff.
NO CAVITY: There is no cavity to allow build-up of solids.
| Brand | 3D |
| Valve Type | RF Butterfly Valve |
| Valve Material | Cast steel, stainless steel, special alloy, etc |
| Valve Test | 100% quantity tested before delivery |
| Valve Guarantee | 18 months from the date of dispatch ex works, or 12 months from date of commodity installation. |
| Valve Painting | Customer request |
| Valve Package | Wooden case |
| MOQ | No requirement |
| Valve Certificate | API 6D/CE/ISO9001/ISO14001 |
| Delivery Detail | Shipped in 4 or 6 weeks after payment |
| Port | SHANGHAI |
| Payment Terms | L/C,D/A,D/P,T/T |
| Certificate Offered | Packing List，Commercial Invoice，Test Reports and Material Certificates，Certificate of quality and quantity, Seller’s Certificate of Guarantee |
Design Features
Design standard as per: API 609, ASME B16.34, GB/T12238, JB/T 8527.
Small installation space, light weight, and maintenance friendly;
Good sealing effect and long service life;
Simple structure and small opening/closing torque;
Good flow adjusting ability, high precision of flow characteristic curve and good dynamic adjustment stability;
For soft seat the leakage rate: ANSI B 16.104 Ⅵ.
Product Range
Body material: carbon steel, stainless steel, alloy steel
Nominal diameter: 1 1/2″～24″
Pressure range: Class150～300
End connection: RF, RTJ
Working temperature:-46℃～+200℃
Operation: Wrench, Worm Gear, Electric, etc.