Fire Protection Rising Stem Groove End Resilient Gate Valve

Fire Protection Rising Stem Groove End Resilient Gate Valve

Basic information
Basic information
This valve is used as a stop device for opening and closing.
Features
Features
1. Groove connection, easy to install;
2. Disc all covered with EPDM, long life;
3. Easy to operate with light opening torque;
4. Epoxy resin spray, non - toxic corrosion resistant.
Principle
Principle
The valve wedge moves in a straight line with the stem. There are trapezoidal threads on the lifting bar, through the nuts on the top of the valve and the guide slots on the valve body, to change the rotation into a straight motion, that is, to change the operating torque into an operating thrust
Installation and Commissioning
Installation and Commissioning
It can be changed to no-rising stem type ZFZ85X and position indicator type ZFXZ85X according to customer requirements. For specific use, please consult ZECO Valve Group.

Part

Material

Standard

Body

Ductile Iron

EN 1563/DIN 1693

Bonnet

Ductile Iron

EN 1563/DIN 1693

Stem

Stainless Steel 431

EN10088-1/ASTM A959

Wedge

Ductile Iron + EPDM / NBR

EN 1563/ISO 4633

Nut

CuZn39Pb1 / C37000

EN12167/ASTM B135

Handwheel

Ductile Iron

EN 1563/DIN 1693

For the materials options not listed, consult factory.

ZECO manufactures valves in more than 50 different alloys.

Product scope, Standards & Materials
Size Range: 2"~12"
Pressure Rating: 10bar ~ 25bar
Face to Face Dimensions: AMSE B16.10, EN558-1
Flange End Dimension: AWWA C606
Coating: Fusion Bonded Epoxy Coating
Inspection and Test: ISO 5208 / EN 12226-2

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