Product Description
Type 680
Enclosed Discharge Safety Relief Valves for Liquids, available with 10, 13, 18, 20 or 25mm nominal bore.
Stainless Steel (for bronze see type 670)
Example Applications:
- Pumping systems and Hydraulic systems
- Thermal relief
- Waste water management
- Oil transfer
- Petrochemical industries
- Fire fighting equipment
- Water cooling and feeding systems
Technical Information
Technical Information for Type 680
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Min. Pressure0.70 bar (10.15 psi)
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Max. Pressure30.00 bar (435.00 psi)
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Temperature Range-40°C to 200°C (subject to seal material)
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Inlet Connection(s)3/8" to 2" BSP, BSPT orNPT
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Outlet Connection(s)2 BSP or NPT
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Flow RateRefer to Flow Tables on the datasheet
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MaterialsSt. Steel
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Seal MaterialsViton® / Nitrile / Neoprene / Ethylene Propylene
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Test CertificationIncluded - supplied Free of charge
Flow Rates:
See datasheet
Notes:
- Relieving pressure is set pressure +25%
- Reseating pressure is set pressure -20% (0.6 bar below 3.0 bar)
Approvals:
- Designed in accordance with BS EN ISO-4126-1 & -7
- PED 2014/68/EU (CE)
- PE(S)R UK SI 2016 No. 1105 (UKCA)
Pressure Reassurance
While the sound of a safety relief valve opening may initially seem alarming, it signifies that pressure is being controlled and potential dangers are being averted, offering operational reassurance.
Downloads
View or Download the Type 680 Datasheet
Full Technical Information - Including Flow Rates
View or Download the Type 680 Datasheet
Seetru offers a wide range of downloadable datasheets for our products, including safety relief valves, liquid level gauges, and sight glasses. These datasheets provide detailed information on the technical specifications, features, and applications of Seetru products. They are an essential resource for engineers, designers, and other professionals who need to select the right Seetru products for their specific needs.
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