Model NO.: H74X
Flow Direction: Unidirectional
Standard: ANSI, API, DIN, BS, GB, and more
Application: Industrial, Water Supply, and Domestic Use
Certificate: ISO, CE
Medium Applicable: Oil, Water, Steam, Acidic, and Alkaline Media
Temperature Range: Up to 300°C
Brand: KARFAR
Packaging: Bubble Wrap + Wooden Case
Size Range: DN50 - DN1000
Origin: China
HS Code: 8481.30.00
Wafer Type Swing Non-Return Check Valve
MODEL NO. H74 W/H/N/X/F

Three optional types: A / B / C
MODEL NO. H74 W/H/N/X/F


Three optional types: A / B / C
Δ The KARFAR Model H74 is designed with a sleek and compact structure, making it ideal for space-constrained installations. It's widely used in water supply systems, high-rise buildings, and industrial applications. With a short body length, it ensures efficient performance and easy maintenance.
1) Size: 2" - 40"
2) Pressure Rating: PN1.0 to PN4.0
PART NAME | MATERIAL |
Body & Bonnet | Carbon Steel, Stainless Steel, Chromium Molybdenum Steel |
Hanging Ring | Carbon Steel, Stainless Steel |
Swing Arm (for Type C) | Carbon Steel, Stainless Steel, Chromium Molybdenum Steel |
Seat | NBR, Stainless Steel, PTFE, Nylon |
Normal Pressure (MPa) | Shell Test Pressure (MPa) | Sealing Test Pressure (MPa) | Working Temperature | Applicable Medium | Body Material | |
Soft Sealing
|
Metal Sealing | |||||
0.4 | 0.6 | 0.44 | ≤80°C (NBR) ≤140°C (EPDM) ≤200°C (PTFE) |
≤300°C | Oil, Water, Steam, Acid, Alkaline | Carbon Steel, Stainless Steel, Chromium/Molybdenum Steel |
1.0 | 1.5 | 1.1 | ||||
1.6 | 2.4 | 1.76 |
Wafer End Check Valve Group Show:



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