Type 980 Threaded Metal-to-Metal Sealing Enclosed Discharge Safety Relief Valves for Liquids
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Datasheet:

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| Min. Pressure | - | 0.30 bar g. (4.35 psi g.) | Max. Pressure | - | 36.00 bar g. (522.00 psi g.) | Temperature Range | - | -50 °C to 250 °C (subject to seal material) | Inlet Connection(s) | - | 1/2" to 2"" BSP, BSPT or NPT | Outlet Connection(s) | - | 1" to 2" BSP | Flow Rate | - | Refer to Flow Tables on the datasheet | Materials | - | St. Steel | Test Certification | - | Included - supplied Free of charge
| Approvals | - | UKCA - PE(S)R BS EN ISO 4126-1 Pressure Equipment Directive, PED (CE marked) EAC customs union (Russia, Belarus and Kazakhstan) |
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Flows Rates Calculated:
See datasheet
Product Description:
Direct Spring Loaded Enclosed Discharge safety valve for Liquids - Metal seal.
Available with 10, 15, 20 & 25mm bore
Materals:
Stainless steel with AISI 440B Disc
Approvals:
Relieving pressure is set pressure +10%
Reseating pressure is set pressure -20% (0.6 bar g. below 3.0 bar g.)
Leak Tightness to 90% set pressure to API 527 and in accordance with EN ISO 4126-1.