Applicable Standards
Design Standards
1. Flange Standards: GB/T 9113.1-2010, JB/T 79.1-1994, HG 20592-2009, ASME B16.5, EN 1092-1:2001
2. Pressure-Temperature Ratings: GB/T 12224-2007, ASME B16.34-2003, ISO 7005-1
3. Face-to-Face Dimensions:
Wafer type: Enterprise Standard
Flanged type: ISA S75.04-1995, IEC/DIN 534-3-2
4. Temperature Ranges:
Standard: -29℃~150℃
Medium Temp: -29℃~250℃
High Temp: -29℃~450℃
5. Sealing & Strength Testing:
Test Standard: GB/T 4213-2007
Hard Seal Class: Default per specification table; Optional GB/T 4213-2007 Class V
Strength Test: 1.5×PN (Gland/Flange tests at 1.1×PN)
Seat Test Pressure:
- Maximum operating ΔP (default 1.0MPa water pressure)
- Minimum 0.6MPa when ΔP＜0.6MPa
Medium: Water with corrosion/scale inhibitors
Main Performance Parameters
Main Technical Parameters & Performance
• Nominal Diameter: DN25-350
• Pressure Rating: PN10-63/Class 150/10K
• Body Material: WCB/CF8/CF8M/CF3M
• Main Seal Type: Metal hard-sealed
• Sealing Surface: Hard chrome-plated/Nitrided+Stellite overlay; Tungsten carbide spray-coated; Nickel-based alloy spray-coated; Stellite spray-coated
• Flange Standards: GB/T 9113 HG/T 20592/HG/T 20615/ASME B16.5/EN 1092/JIS B2220:2004
• Temperature Range: -29℃~200℃; -29℃~400℃
• Leakage Class: GB/T 4213/FCI 70-2 Class V/VI
• Accessories: Electro-pneumatic positioner/Solenoid valve/Limit switch/Air filter regulator
• Actuation: Manual/Pneumatic/Electric/Hydraulic
Product Types
DN25-DN250 (1"-10"): Wafer/Flanged construction
DN300-DN500 (12"-20"): Flanged construction
Pressure Classes:
DIN PN10/PN16/PN25/PN40/PN63
ANSI 150/300/600
