Brass Hard Seal Check Valve – DA Valve-Quality valve solutions for drinking water, gas supply and water hammer protection

Brass Hard Seal Check Valve

Resilient-seated gate valve with bolted cover connection and flanges according to British Standard 5163. Proven design with innovative improvements, such as plastic sliding caps on the wedge, guarantee low operating torques even after many  years of use. Suitable for use in water distribution, in power plants, in industry and in pressure management.

Additional information

Body

Brass

Disc

Brass

Connect

Thread

Size

DN15-DN50

Media

Gas, Water

Product Details:

Characteristics

· Sealing system/standard: Resilient seated in accordance with EN 1074 (DIN 3352 – 4A)
· Face-to-face length: acc. to EN 558, basic series 14 (DIN 3202, F4)
· With flange ends on both sides acc. to EN 1092-2
· Low operating torque due to plastic sliding guides on the wedge
· Maintenance-free and corrosion-resistant stem sealing
· With triple O-ring sealing
· Low wear due to wedge guiding and elongated stem bearing
· Suitable for vacuum of up to 90%

Material

· Body: Ductile iron EN-GJS-400-15 (GGG-40)
· Bonnet: Ductile iron EN-GJS-400-15 (GGG-40)
· Stem: Stainless steel 1.4462
· Bonnet bolts: Stainless steel A2 (DIN EN ISO 3506)
· Wedge: Ductile iron EN-GJS-400-15 (GGG-40) encapsulated with EPDM vulcanized
· Stem nut: Bronze
· Internally and externally epoxy coated

 

Ask For A Quick Quote

We will contact you within 1 working day, please pay attention to the email with the suffix “@dafm.cn”.