Basic Parameters

Nominal Diameter: DN50-DN1000 (common specifications include DN250, DN300, etc.)

Nominal PressurePN10-PN160 (approximately 1.0-16.0MPa)

Applicable Temperature-29 ℃ to 121 ℃ (normal operating conditions)

Applicable MediumWater, oil products, steam, sulfur-containing natural gas, dust materials, etc

flow directionUnidirectional (some models support bidirectional sealing)

Drive Type: Manual (can be modified with electric actuator)

structural characteristics

sealing formHard seal (chromium stainless steel+PTFE) or elastic seal (bidirectional sealing design)

Valve body materialCarbon steel (conventional type), sulfur resistant treated carbon steel (sulfur-containing medium) or stainless steel

connection methodFlange connection (standard GB/T 9113 or ANSI B16.5)

Valve plate typeSingle gate (with or without diversion holes)

performance specifications

Test pressureThe shell test pressure is 1.5 times the nominal pressure, and the sealing test pressure is 1.1 times

Leakage levelCompliant with API 6D or GB/T 13927 standards, with a hard seal leakage rate of ≤ 0.1cm ³/min (below DN100)

Operating torqueManual operating force ≤ 250N (below DN200)

special-Specially designed

Anti jammingBlade shaped design at the bottom of the gate, capable of cutting fiber materials and automatically cleaning the sealing surface

Fire and static prevention-Electricity: Metal sealing surface+anti-static device, in compliance with API 6FA fire protection requirements

endure-Grinding treatment: Sealing surface sprayed with hard alloy (such as Stellite 6), hardness ≥ HRC 55