Water Service Wafer Double Disc Check Valve
Check Valve is applicable for various pipelines with nominal pressure of PN1.0MPa~42.0 MPa,Class150~2500 and nominal diameter of DN15~1200mm,NPS1/2-48 and working temperature of -196~540℃ to be used for protecting from medium back flowing. The different materials selection can apply to the medium involving water, steam, oils, nitric acid, strong oxidizing medium and urea etc.
1. Nominal diameter:
2" - 24" (DN50 - DN600)
2. Pressure range:
Class 150 - Class 2500 (PN16 - PN150)
3. Working temperature:
4. Body material:
5. End Connection:
Resilient Buna-N or EPDM Seat
Upper and lower PTFE thrust washers
Wafer body style fit between FF or RF flanges
Torsion springs assist valve closure, preventing flow reversal
Thrust washer reduce friction and wear of valve plate hinges
Dual plate valves give maximum strength with minimum opening time
Our company is specialized in manufacturing and various valves . To guarantee good quality, we follow ISO9001 standards to inspect our goods. From raw material purchase to pre-shipment inspection, we keep an eye on every step to ensure the satisfaction of our customer on quality.