Product Description
Type 670 / 690
Enclosed Discharge Safety Relief Valves for Liquids, available with 10, 13, 18, 20, or 25mm nominal bore.
Bronze body with either brass or stainless steel inlet.
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 670 / 690
-
Min. Pressure0.70 bar (10.15 psi)
-
Max. Pressure30.00 bar (435.00 psi)
-
Temperature Range-40°C to 200°C (subject to seal material)
-
Inlet Connection(s)3/8" to 2" BSP, BSPT orNPT
-
Outlet Connection(s)2 BSP or NPT
-
Flow RateRefer to Flow Tables on the datasheet
-
MaterialsBronze & Brass or Bronze & St. Steel or St. Steel
-
Seal MaterialsViton® / Nitrile / Neoprene / Ethylene Propylene
-
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 Guardians
Pressure relief valves stand sentinel in diverse systems, automatically releasing excess pressure and preventing equipment damage. Essential safety measures for various industries and applications.
Downloads
Download useful information about our products and services
Catalogues, Brochures, Presentations, Videos ...and more
View our range of useful downloads
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.
Find your PDF Download for the 670/ 690 Range below…
Visit our downloads page for other Seetru product brochures and catalogues
Oops! We could not locate your form.
Contact Seetru