Series 253

Safety relief valve

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Product Description

Safety relief valve
For use in solar thermal systems
TÜV approved according to TRD 721 - SV 100 § 7.7.

Technical data

Material: brass
Medium: glycol solutions, water
Maximum glycol %: 50 %
Finish: nickel plated
Nominal Pressure: PN 10
Medium temperature range: -30–160 °C

Certifications

CE2797
TUV0000013604
WRAS

Drawings and specifications

Part number Connection Drain Connection Maximum discharge rating
Pressure setting
2.5 bar
2D drawings
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3D models
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Tender text
CALEFFI, 253042. Safety relief valve For use in solar thermal systems TÜV approved according to TRD 721 - SV 100 § 7.7. connection: 1/2" straight thread F. Drain Connection: 3/4" straight thread F. Medium temperature range: -30–160 °C. Pressure setting: 2.5 bar. Maximum discharge rating: 50 kW. Nominal Pressure: PN 10. Finish: nickel plated. Maximum glycol %: 50 %. Medium: glycol solutions, water. Material: brass.
SCIP code
7bf66482-e85b-4d65-b657-478d7204d5ab
Pressure setting
3 bar
2D drawings
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3D models
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Tender text
CALEFFI, 253043. Safety relief valve For use in solar thermal systems TÜV approved according to TRD 721 - SV 100 § 7.7. connection: 1/2" straight thread F. Drain Connection: 3/4" straight thread F. Medium temperature range: -30–160 °C. Pressure setting: 3 bar. Maximum discharge rating: 50 kW. Nominal Pressure: PN 10. Finish: nickel plated. Maximum glycol %: 50 %. Medium: glycol solutions, water. Material: brass.
SCIP code
7bf66482-e85b-4d65-b657-478d7204d5ab
Pressure setting
4 bar
2D drawings
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3D models
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Tender text
CALEFFI, 253044. Safety relief valve For use in solar thermal systems TÜV approved according to TRD 721 - SV 100 § 7.7. connection: 1/2" straight thread F. Drain Connection: 3/4" straight thread F. Medium temperature range: -30–160 °C. Pressure setting: 4 bar. Maximum discharge rating: 50 kW. Nominal Pressure: PN 10. Finish: nickel plated. Maximum glycol %: 50 %. Medium: water, glycol solutions. Material: brass.
SCIP code
7bf66482-e85b-4d65-b657-478d7204d5ab
Pressure setting
6 bar
2D drawings
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3D models
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Tender text
CALEFFI, 253046. Safety relief valve For use in solar thermal systems TÜV approved according to TRD 721 - SV 100 § 7.7. connection: 1/2" straight thread F. Drain Connection: 3/4" straight thread F. Medium temperature range: -30–160 °C. Pressure setting: 6 bar. Maximum discharge rating: 50 kW. Nominal Pressure: PN 10. Finish: nickel plated. Maximum glycol %: 50 %. Medium: glycol solutions, water. Material: brass.
SCIP code
7bf66482-e85b-4d65-b657-478d7204d5ab
Pressure setting
8 bar
2D drawings
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Download
3D models
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Tender text
CALEFFI, 253048. Safety relief valve For use in solar thermal systems TÜV approved according to TRD 721 - SV 100 § 7.7. connection: 1/2" straight thread F. Drain Connection: 3/4" straight thread F. Medium temperature range: -30–160 °C. Pressure setting: 8 bar. Maximum discharge rating: 50 kW. Nominal Pressure: PN 10. Finish: nickel plated. Maximum glycol %: 50 %. Medium: water, glycol solutions. Material: brass.
SCIP code
7bf66482-e85b-4d65-b657-478d7204d5ab
Pressure setting
10 bar
2D drawings
Download
Download
3D models
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Download
Tender text
CALEFFI, 253040. Safety relief valve For use in solar thermal systems TÜV approved according to TRD 721 - SV 100 § 7.7. connection: 1/2" straight thread F. Drain Connection: 3/4" straight thread F. Medium temperature range: -30–160 °C. Pressure setting: 10 bar. Maximum discharge rating: 50 kW. Nominal Pressure: PN 10. Finish: nickel plated. Maximum glycol %: 50 %. Medium: water, glycol solutions. Material: brass.
SCIP code
7bf66482-e85b-4d65-b657-478d7204d5ab