DIN3352 / EN 1171 DN350-DN800 Big Size Resilient Seated Gate Valve

Design Features:

1、Ductile Iron body and bonnet for high strength and impact resistance. Valve Body and B onnet Fusion bonded epoxy coating for long life corrosion protection.Straight through full bore to avoid debris traps, small flow resistance.

2、Ductile Iron Wedge inside and outside fully rubberized with vulcanized EPDM or NBR ,suitable for potable water.

3、Rubber bonnet gasket for longevity and protection of bonnet bolts , Isolated fasteners for corrosion protection.

4、Stainless steel stem with rolling thread for high strength and corrosion resistance **.

5、Back sealing facility to allow for replace ment of seals under full operating pres sure.

6、Replaceable O rings.

7、Dust Guard to prevent impurities from ntering the stem sealing system.

8、Valve is supplied with hand wheel or bare shaft with square cap; Small operation torque, easy opening and closing.

Field of Application：

Size Range: DN40 and DN800

Maximum Temperature: 70˚C

Allowable Operating Pressure:PN10、PN16、PN25

Gate valve for use in irrigation, general utility services, HVAC and water systems

Features：

Bolted Bonnet

Replaceable O-ring

Rubber encapsulated wedge, Brass Wedge Nut.

Fusion bonded epoxy coated inside and outside , blue RAL 5017 200 Micron thick

Working pressure from -1 to +16 Bar and working temperature from -10 to +80 ºC

Technical Specification：

Valve design according to EN 1171、DIN3352、EN 1074-1 and 2

Face to face dimensions according to EN 558-1 、 DIN3202 F4/F5

Standard flange drilling to EN 1092-2、ISO 7005-2

Hydraulic test according to EN 12266、ISO5208

MATERIAL LIST：

Dimensions (mm)