Safety valves

1

 

 

 

Safety valves production of SČA, Czech Republic

 

Depending on the working conditions, we have the opportunity to offer more than 12 types of safety valves for the industry.

Application: They prevent from exceeding the regulated pressure of the working medium (fluid)

Main models: Normally opened or closed, spring type, angle type.

Connection: on flanges (DIN)

 

Used materials according to ČSN: 

  • Grey cast iron: 422420
  • Carbon steel: 42 2714.9/1.0619N 
  • Alloy steel: 42 2744.5/1.7715 
  • Stainless steel

 

Download catalogue: here



 

 

Swing and Piston type

 

2

 

Check valves Swing and Piston type from DN10-50 PN63-140 (forged steel) and from DN50-300 PN16-100 (cast steel) bolted bonnet design with working temperature up to 530°С.  the construction includes the following characteristics: cast (forged) body, weld on the sealing surfaces 13Cr (or Stellite). Correspond to the requirements of European directive 2014/68/EU.

 

 

Swing check valve, тип L10, bolted bonnet – cast steel

 

3

 

 

 

Diameters: from DN 50 to DN300
Pressure: from PN16 to PN100
Connection: on flanges, on welding,
Operation: automatic

Basic materials for cast steel swing check valves:

  • Carbon steel: 1.0619/GP240GH – Tmax +425°C
  • Stainless steel: 1.4308/CF8; - Tmax +530°C 
  • Swing check valves from other alloy and stainless materials – on customer’s request. 

 

Download catalogue: here

 

Swing check valve, type L10, bolted bonnet – forged steel

 

4

 

Diameters: from DN 10 toDN50

Pressure: from PN63 to PN140 

Connection: on flanges, on welding (BW and SW), on thread and combined 

Operation: automatic

 

Basic materials of forged steel swing check valves:

• Carbon steel: 1.0460/P250GH – Tmax +450°C

• Stainless steel: 1.4301/F304/1.4404/F316L; Tmax +560°C 

• Swing check valves from other alloy and stainless steel – on customer’s request

 

Download catalogue: here

 

 

 

Piston Check valve, type Z15, bolted bonnet – forged steel

5

 

Diameters: from DN 10 to DN50

Pressure: from PN63 to PN140 

Connection: on flanges, on welding (BW and SW), on thread and combined 

Operation: automatic

 

Basic materials of forged steel check valves: 

• Carbon steel: 1.0460/P250GH – Tmax +450°C

• Stainless steel: 1.4301/F304/1.4404/F316L; Tmax +560°C 

• Check valves  from other alloy and stainless steel – on customer’s request

 

Download catalogue: here 

 

 

Piston Check valve, type Z16, bolted bonnet – forged steel

 

6

 

Diameters: from DN 10 to DN50

Pressure: from PN63 to PN140 

Connection: on flanges, on welding (BW and SW), on thread and combined 

Operation: automatic

 

Basic materials of forged steel check valves: 

• Carbon steel: 1.0460/P250GH – Tmax +450°C

• Stainless steel: 1.4301/F304/1.4404/F316L; Tmax +560°C 

• Check valves  from other alloy and stainless steel – on customer’s request

 

Download catalogue: here