Hangzhou Pass Fluid Equipment Co., Ltd.

Flange check valves- PHV-4

APPLICATIONS
Pumping stations and network for clean water distribution, irrigation(filtered water)

Fire protection networks

Air-compressors

Applications with different fluids (to be consulted)

Ensuring the protection of pumps against flow inversion
TECHNICAL DATA

Range: DN 50 to DN1200

Connections: Wafer body for mounting between flanges PN 10/16 and ANSI 150# (for other inquire)

Maximum working pressures depending on material construction

Operating temperatures -10¡ã C +120¡ã C (for other temperatures inquire)

Seating: Class A according to standard ISO 5208

Minimum backpressure for tightness: 0.5 bars
TECHNICAL PERFORMANCES

Short Face To Face connection with good hydraulic performance

Low pressure drop

Compactness

Seal vulcanized on the seat of the body

Springs helping closing the plates (reducing waterhammer)

Two springs for equilibrated forces on the plates.

Stops on plates to reduce friction between ears of platesand shaft

Symmetrical flow obtained by the centering pin when the plates are fully opened.

Horizontal and Vertical installation in pipeline
Lifting rings from DN 250

ENSAYOS
Seat: 1.1 x nominal pressure
Body: 1.5 x nominal pressure