Butterfly Type Check Valve

Lug Type Check Valve:

Retainerless design is supplied as standard

API 594 Face-to-face dimension

1.API 594 produces all Dual Plate Check Valves as per API 594.

2.Retainerless For 100% no outer leakage.

Peach Valve provides "Retainerless Type" Dual Plate Check Valves for fugitive emission control.

3.Flange Standard ASME B16.5 for 2" ~ 24"

ASME B16.47 Ser. A or B for 26” and above.

Customer's Specification and etc. (AWWA, ASME Sec. VIII...)

4.Seat Leakage For metal to metal seated Dual Plate Check Valves, API598 indicate 3cc/min per inch with water

5.Double Flange Double Flange Type available from 8" and above

6. Rubber Lining inside of Body Rubber lining inside body available from 10" and above

Design Features

Design standard as per: API 594, API 6D, ASME B16.34, GB/T 12236.

Compact and reasonable product structure, reliable tightness and good performance; 
Small volume and light weight; 
Applied widely; 
Rapid closing and flexible actions of the valve clack 
Small closing impact, water hammer is not liable to be generated; 
Smooth fluid passageway and small fluid resistance;

Product Range

Body material: carbon steel, stainless steel, alloy steel

Nominal diameter: 1/2"～48"（DN15~DN1200）

Pressure range: Class150～2500（PN10~PN420）

End connection: RF, RTJ

Working temperature:-196℃～+560℃