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SLK series - SAFETY VALVES

SLK series - SAFETY VALVES
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SLK series - SAFETY VALVES

Product catalog summary
Introduction
The SLK Series Safety Valves are spring-loaded devices designed to release pressure from compressible fluids, ensuring safety for personnel and equipment. They are available in copper alloy and steel, with various sizes and options.
Specifications
  • Materials: AISI 316L, Brass, Bronze, Carbon steel, Duplex, Monel.
  • Construction: Carried exhaust and free discharge.
  • Seat Sealing Type: PTFE, PEEK, Metal to Metal, Viton, Nbr, Kalrez, EPDM.
  • Connections: Screwed and flanged (ANSI / DIN).
  • Flange Ratings: ASME 150 ÷ 2500 / PN16 ÷ PN 400.
  • Sizes: 1/2” ÷ 2” / DN 15 ÷ DN 50.
  • Orifices: 6, 8, 10, 14, 20, 25, 30, 38 mm.
  • Overpressure: 10%.
  • Blowdown: 15%.
  • Discharge Coefficient Kd: 0.94.
  • Temperature Range: -196°C to +350°C.
  • Set Pressure Range: 0.5 ÷ 690 barg (steel), 0.5 ÷ 50 barg (Brass).
  • Design Standard: EN 4126-1.
Applications
These valves are suitable for air compressors, steam generators/boilers, autoclaves, technical gases, and natural gas compressors.
Valve Types
  • Type A: Orifice 6 mm, 0.5-650 bar, -45°C to +200°C, AISI 316L, Viton.
  • Type B: Orifice 8 mm, 10 mm, 0.5-450 bar, -45°C to +200°C, AISI 316L, Carbon Steel, Viton.
  • Type C: Orifice 14 mm, 0.5-180 bar, -196°C to +200°C, AISI 316L, Carbon Steel, Viton.
  • Type D: Orifice 10 mm, 14 mm, 0.5-380 bar, -45°C to +200°C, AISI 316L, Carbon Steel, Viton.
  • Type E: Orifice 10 mm, 0.5-45 bar, -196°C to +200°C, Brass, Viton.
  • Type F: Orifice 10 mm, 0.5-160 bar, -196°C to +250°C, Brass, AISI 316L.
  • Type H: Orifice 8 mm to 38 mm, 0.5-45 bar, -196°C to +250°C, Brass, AISI 316L, Carbon Steel.
  • Type I: Orifice 6 mm, 10 mm, 0.5-650 bar, -196°C to +200°C, AISI 316L, PTFE.
Approvals
The SLK-Series valves meet high international standards and are made from quality materials.
Overview
The document details the SLK-Series safety valves, specifically models SLKL-25H, SLKC-25H, SLKL-30H, SLKC-30H, SLKL-38H, and SLKC-38H, designed for gas and steam applications by COI Technology S.r.l.
Specifications
  • Materials: Brass, AISI 316L, Carbon Steel, C85, with various seat materials.
  • Orifice Diameter and Area: 30 mm and 38 mm, areas of 7.06 cm² and 11.34 cm².
  • Connections: Inlet 1 1/2” or 2”, outlet 2” or 2 1/2”.
  • Performance: Setting range 0.5-35 bar, discharge coefficient 0.937 for gas, lift to discharge pressure 13.5 mm (30 mm orifice) and 17 mm (38 mm orifice), overpressure 10%, blowdown 15%.
  • Temperature Range: -196°C to +250°C.
Dimensions
  • SLKL-30H and SLKC-30H: A = 74, B = 84, C = 262/280, D = 25, E = 60, CH = 60.
  • SLKL-38H and SLKC-38H: A = 80, B = 100, C = 235, D = 25, E = 70, CH = 70.
Type Approval
The SLK-Series valves are direct loaded full lift safety valves, available as free or carried exhaust, complying with international standards.
Additional Notes
Modifications to dimensions and materials can occur without notice. Parts can be replaced per customer specifications. For more information, contact COI Technology's Commercial or Technical Department.
Contact Information
COI Technology S.r.l., Via della Liberazione, 29/D, 20098 San Giuliano Milanese (MI) Italy. Tel: +39 02 36 68 94 80, Fax: +39 02 99 76 78 75, Email: [email protected], Website: www.coitech.it
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Catalog excerpts

SLK series - SAFETY VALVES-2

SAFETY VALVES Relief Valves SLK-Series are spring loaded pressure relieving devices, suitable ST. STEEL / CARBON STEEL VERSION COPPER ALLOY VERSION for discharge of compressible fluids. SLK-series safety valves are used to protect personnel and equipment by preventing excessive pressure accumulation. Coi Technology offers a large range of screwed and flanged valves in a variety of sizes, materials and options. The valves are of a full nozzle type and available in copper alloy or steel versions. Application - Air Compressors - Steam generators / Boilers - Autoclaves - Technical gases - Natural...

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SLK series - SAFETY VALVES-3

MATERIALS PI TECH SAFETY VALVES DESCRIPTION SLK-Series is a direct loaded, carried exhaust and full lift safety valve manufactured with high quality materials which complies with the strictest international standards. PART CODE DESCRIPTION SLK C - xx AI xx - xxx MATERIAL CODE SPECIFICATION VERSION ORIFICE DIAMETER VALVE TYPE VALVE SERIES TYPE APPROVAL PART NAME

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SLK series - SAFETY VALVES-4

MATERIALS PI TECH SAFETY VALVES DESCRIPTION SLK-Series is a direct loaded, carried exhaust and full lift safety valve manufactured with high quality materials which complies with the strictest international standards. PART CODE DESCRIPTION SLK C - xx BI xx - xxx MATERIAL CODE SPECIFICATION VERSION ORIFICE DIAMETER VALVE TYPE VALVE SERIES TYPE APPROVAL PART NAME

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SLK series - SAFETY VALVES-5

MATERIALS PI TECH SAFETY VALVES DESCRIPTION SLK-Series is a direct loaded, carried exhaust and full lift safety valve manufactured with high quality materials which complies with the strictest international standards. PART CODE DESCRIPTION SLK C - xx CI xx - xxx MATERIAL CODE SPECIFICATION VERSION ORIFICE DIAMETER VALVE TYPE VALVE SERIES TYPE APPROVAL DIMENSIONS PART NAME

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SLK series - SAFETY VALVES-6

TYPE "D”DESCRIPTION SLK-Series is a direct loaded, carried exhaust and full lift safety valve manufactured with high quality materials which complies with the strictest international standards. SLK C - xx DI xx - xxx MATERIAL CODE SPECIFICATION VERSION ORIFICE DIAMETER VALVE TYPE VALVE SERIES PART NAME

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SLK series - SAFETY VALVES-7

MATERIALS PI TECH SAFETY VALVES DESCRIPTION SLK-Series is a direct loaded, carried exhaust and full lift safety valve manufactured with high quality materials which complies with the strictest international standards. PART CODE DESCRIPTION SLK C - xx EA xx - xxx ■ ■ ■ ■ MATERIAL CODE I- SPECIFICATION VERSION ORIFICE DIAMETER VALVE TYPE VALVE SERIES TYPE APPROVAL PART NAME

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SLK series - SAFETY VALVES-8

Ilpff TYPE "F MATERIALS PI TECH SAFETY VALVES DESCRIPTION SLK-Series is a direct loaded full lift safety valve, available as free or carried exhaust and manufactured with high quality materials which comply with the strictest international standards.

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SLK series - SAFETY VALVES-9

MATERIALS PI TECH SAFETY VALVES DESCRIPTION SLK-Series is a direct loaded, carried exhaust and full lift safety valve manufactured with high quality materials which complies with the strictest international standards. PART CODE DESCRIPTION SLK C - xx IA xx - xxx MATERIAL CODE SPECIFICATION VERSION ORIFICE DIAMETER VALVE TYPE VALVE SERIES TYPE APPROVAL PART NAME

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SLK series - SAFETY VALVES-10

TYPE "H” TYPE "H” 8 mm OI TECH SAFETY VALVES INLET CONNECTIONS Threaded OUTLET CONNECTIONS FREE EXHAUST DESCRIPTION SLK-Series is a direct loaded full lift safety valve, available as free or carried exhaust and manufactured with high quality materials which comply with the strictest international standards. TYPE APPROVAL DIMENSIONS

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SLK series - SAFETY VALVES-11

TYPE "H" 10 mmDESCRIPTION SLK-Series is a direct loaded full lift safety valve, available as free or carried exhaust and manufactured with high quality materials which comply with the strictest international standards. SLK-Series is a direct loaded full lift safety valve, available as free or carried exhaust and manufactured with high quality materials which comply with the strictest international standards. TYPE APPROVAL DIMENSIONS

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SLK series - SAFETY VALVES-12

TYPE "H" 18 mmDESCRIPTION SLK-Series is a direct loaded full lift safety valve, available as free or carried exhaust and manufactured with high quality materials which comply with the strictest international standards. SLK-Series is a direct loaded full lift safety valve, available as free or carried exhaust and manufactured with high quality materials which comply with the strictest international standards. TYPE APPROVAL MATERIALS TYPE APPROVAL DIMENSIONS

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SLK series - SAFETY VALVES-13

TYPE "H" 30 mmDESCRIPTION SLK-Series is a direct loaded full lift safety valve, available as free or carried exhaust and manufactured with high quality materials which comply with the strictest international standards. SLK-Series is a direct loaded full lift safety valve, available as free or carried exhaust and manufactured with high quality materials which comply with the strictest international standards. TYPE APPROVAL DIMENSIONS

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SLK series - SAFETY VALVES-14

SAFETY VALVES SLKSERIES note NOTE: • Modifications reserved by Coi Technology SRL. • Dimensions and Materials can be changed without notice. • Parts can be replaced by other materials acc. to customer specification. • Please do not hesitate to contact our Commercial or Technical Department for further information on specific applications and special technical questions.

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SLK series - SAFETY VALVES-15

SestoSan Giovanni MALPENSA aeroporto PI TECH SAFETY VALVES Highway A1 (tangenziale Ovest) exit San Giuliano Milanese proceed to Via della Liberazione

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.