The DIN F4 gate stopcock, a classic representative of the German standard stopcock system, specifically refers to the flexible- seated gate stopcock complying with the noise 3352/3202 F4 standard. It occupies a vital position in the global water system sector and is hailed as” the heart stopcock of the water system”. With its excellent sealing performance, dependable structural design and wide connection, it has come one of the preferred faucets for external water force, sewage treatment and artificial fluid transmission systems.
- Core Standards and Basic Definitions
The DIN F4 gate stopcock complies with German artificial norms, substantially in agreement with the following specifications
DIN 3352: Design standard for resilient-seated gate valves
DIN 3202-F4: Structural length standard
EN 558-2 S.14: Equivalent European standard to ensure compatibility with international specifications
PN10/PN16: Nominal pressure ratings, suitable for most water system operating conditions
2.Structural Features
Flexible- seated design the gate slice is completely rubber- carpeted and forcefully clicked to the essence gate slice by high- temperature vulcanization technology.
Zero- leakage sealing prevents water hammer damage and extends service life.
Ductile iron stopcock body made of high- strength and high- durability material with internal and external epoxy resin greasepaint coating( ≥ 250μm), featuring excellent erosion resistance and resistance to chemicals in water systems.
3.Why It Is a Classic Choice for Water Systems
Centuries of Technological Refinement The design conception of German standard faucets has been vindicated over decades, boasting a mature and dependable structure.
Zero- leakage Guarantee The flexible- seated technology fully solves the problem of” running, emitting, trickling and oohing” of traditional gate faucets, complying with ultramodern environmental protection conditions.
Low Lifecycle Cost Moderate original investment, extremely low conservation cost, and a service life of further than 20 times.
Global Versatility Compliance with transnational norms, strong interchangeability of spare corridor, easing global procurement and conservation.
High Safety Low operating necklace, less likely to beget system damage due to misoperation, suitable for operation bynon-professionals.
