DIN3352 Cast Iron Flanged Ends Non Rising Stem Resilient Soft Seated F4 Gate Valves

Main Features

1. The seal is designed with dustproof ring plus three "O"-seal ring, reliable sealing, on-line replaceable.
2. Both gate and aluminum bronze bearing are in in aid design good self lubrication, high strength and can have the aluminum bronze bearing replaced without need to replace the gate integrally, after a long time use.
3. Rubber wrapped gate anti-corrosion, good tightness.
4. Advanced surface treatment, coated with non-toxic epoxy resign static powder, anti-corrosion, pollution-free, can be used drinking water pipeline.
5. The body is designed without gate slot, the smooth passage will not get impurities filling up , more applicable for sewage working condition.
6. The integral seal works raliably. For the high pressure seal, leaving zero leakage under1.5 times nominal pressure and ,for the low pressure one ,under 0.02Mpa.

Features

Light Weight;
No - grooved body cavity;
Wedged rubber - packed wholly Close tolerance cast valve body;
Three O-ring
Beneficial to drinking

APPLICABLE STANDARDS
American Standard
Design and manufacture:DIN3352 F4/F5
Face to face DIN3202/ISO5752
Flange and drilling To SME/ANSI B16.42-1998
TECHNIC CRITERION
Nominal pressure: 1.0~2.5MPa
Nominal diameter: DN40-1200mm
Applicable medium: Water, sewage, oil, gas etc.
Applicable temperature: ≤ 120 degree centigrade
Main material of valve: Ductile iron, iron