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S&R

Type 460

The product group S&R contains safety valves for requirements of local rules and regulations, e.g. for heating systems (TRD 721).

Approvals

Industries

  • Heating and Air Conditioning systems
Product info Metric unit US unit

Key feature

Threaded safety valves for heating plants up to 120 °C acc. to DIN 4751 part 2

Threaded safety valves for heating plants up to 120 °C acc. to DIN 4751 part 2

Nominal diameter inlet

DN 15  -  DN 20 3/4"  -  1"

Nominal diameter outlet

Pressure

Actual orifice diameter d0

13  -  17,5 mm 0,51  -  0,69 in

Actual orifice area A0

133  -  241 mm² 0,21  -  0,37 in²

Pressure

1  -  10 bar 14,5  -  145 psig

Temperature acc. to DIN EN

 to  120 °C  to  248 °F

Temperature acc. to ASME

no approvals acc. to ASME Sec. VIII Div. 1 no approvals acc. to ASME Sec. VIII Div. 1

Body material

1.4104 (Inlet), 0.7043 (Outlet)

1.4104 (Inlet), Ductile Gr. 60-40-18 (Outlet)

KUB-Materials

Valve connection

Thread

Thread

Bellows

EPDM

EPDM

Type of loading

Spring loaded

Spring loaded

Approvals

TRD 721, PED/ DIN EN ISO 4126-1, PED/ AD 2000-Merkblatt A2, EAC

TRD 721, PED/ DIN EN ISO 4126-1, PED/ AD 2000-Merkblatt A2, EAC

Specials

Feature Option Code Schematic drawing
Disc

with soft sealing O-ring EPDM „D”

J22 (standard)

 
Bellows

Elastomer bellows EPDM

(standard)

 
Connections outlet    
Documentation    
Balanced Piston    
   
   
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